libzfs_pool.c revision 5ad820458efd0fdb914baff9c1447c22b819fa23
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * CDDL HEADER START
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * The contents of this file are subject to the terms of the
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Common Development and Distribution License (the "License").
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * You may not use this file except in compliance with the License.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * or http://www.opensolaris.org/os/licensing.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * See the License for the specific language governing permissions
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * and limitations under the License.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * When distributing Covered Code, include this CDDL HEADER in each
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * If applicable, add the following below this CDDL HEADER, with the
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * fields enclosed by brackets "[]" replaced with your own identifying
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * information: Portions Copyright [yyyy] [name of copyright owner]
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * CDDL HEADER END
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
c7facc54c4abed9e554ff80225311e6b7048d3c9Bill Taylor * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Use is subject to license terms.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#pragma ident "%Z%%M% %I% %E% SMI"
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include <assert.h>
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include <ctype.h>
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include <errno.h>
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include <devid.h>
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include <fcntl.h>
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include <libintl.h>
de710d24d2fae4468e64da999e1d952a247f142cJosef 'Jeff' Sipek#include <stdio.h>
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include <stdlib.h>
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include <string.h>
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include <unistd.h>
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include <sys/zfs_ioctl.h>
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include <sys/zio.h>
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include "zfs_namecheck.h"
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include "libzfs_impl.h"
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Validate the given pool name, optionally putting an extended error message in
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * 'buf'.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorstatic boolean_t
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_name_valid(libzfs_handle_t *hdl, boolean_t isopen, const char *pool)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor namecheck_err_t why;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor char what;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor int ret;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor ret = pool_namecheck(pool, &why, &what);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * The rules for reserved pool names were extended at a later point.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * But we need to support users with existing pools that may now be
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * invalid. So we only check for this expanded set of names during a
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * create (or import), and only in userland.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (ret == 0 && !isopen &&
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (strncmp(pool, "mirror", 6) == 0 ||
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor strncmp(pool, "raidz", 5) == 0 ||
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor strncmp(pool, "spare", 5) == 0)) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_error_aux(hdl,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dgettext(TEXT_DOMAIN, "name is reserved"));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (B_FALSE);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (ret != 0) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (hdl != NULL) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor switch (why) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case NAME_ERR_TOOLONG:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_error_aux(hdl,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dgettext(TEXT_DOMAIN, "name is too long"));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor break;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case NAME_ERR_INVALCHAR:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_error_aux(hdl,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dgettext(TEXT_DOMAIN, "invalid character "
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "'%c' in pool name"), what);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor break;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case NAME_ERR_NOLETTER:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "name must begin with a letter"));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor break;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case NAME_ERR_RESERVED:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "name is reserved"));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor break;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case NAME_ERR_DISKLIKE:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "pool name is reserved"));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor break;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case NAME_ERR_LEADING_SLASH:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "leading slash in name"));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor break;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case NAME_ERR_EMPTY_COMPONENT:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "empty component in name"));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor break;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case NAME_ERR_TRAILING_SLASH:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "trailing slash in name"));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor break;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case NAME_ERR_MULTIPLE_AT:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "multiple '@' delimiters in name"));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor break;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (B_FALSE);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (B_TRUE);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Set the pool-wide health based on the vdev state of the root vdev.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorint
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorset_pool_health(nvlist_t *config)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor nvlist_t *nvroot;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor vdev_stat_t *vs;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor uint_t vsc;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor char *health;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor &nvroot) == 0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_STATS,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (uint64_t **)&vs, &vsc) == 0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor switch (vs->vs_state) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case VDEV_STATE_CLOSED:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case VDEV_STATE_CANT_OPEN:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case VDEV_STATE_OFFLINE:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor health = dgettext(TEXT_DOMAIN, "FAULTED");
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor break;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case VDEV_STATE_DEGRADED:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor health = dgettext(TEXT_DOMAIN, "DEGRADED");
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor break;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case VDEV_STATE_HEALTHY:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor health = dgettext(TEXT_DOMAIN, "ONLINE");
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor break;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor default:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor abort();
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (nvlist_add_string(config, ZPOOL_CONFIG_POOL_HEALTH, health));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Open a handle to the given pool, even if the pool is currently in the FAULTED
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * state.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_handle_t *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_open_canfail(libzfs_handle_t *hdl, const char *pool)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zpool_handle_t *zhp;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor boolean_t missing;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Make sure the pool name is valid.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (!zpool_name_valid(hdl, B_TRUE, pool)) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) zfs_error(hdl, EZFS_INVALIDNAME,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dgettext(TEXT_DOMAIN, "cannot open '%s'"),
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor pool);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (NULL);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (NULL);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zhp->zpool_hdl = hdl;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (zpool_refresh_stats(zhp, &missing) != 0) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zpool_close(zhp);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (NULL);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (missing) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "no such pool"));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) zfs_error(hdl, EZFS_NOENT,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dgettext(TEXT_DOMAIN, "cannot open '%s'"),
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor pool);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zpool_close(zhp);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (NULL);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (zhp);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Like the above, but silent on error. Used when iterating over pools (because
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * the configuration cache may be out of date).
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorint
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_open_silent(libzfs_handle_t *hdl, const char *pool, zpool_handle_t **ret)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zpool_handle_t *zhp;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor boolean_t missing;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (-1);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zhp->zpool_hdl = hdl;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (zpool_refresh_stats(zhp, &missing) != 0) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zpool_close(zhp);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (-1);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (missing) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zpool_close(zhp);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *ret = NULL;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *ret = zhp;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Similar to zpool_open_canfail(), but refuses to open pools in the faulted
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * state.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_handle_t *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_open(libzfs_handle_t *hdl, const char *pool)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zpool_handle_t *zhp;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if ((zhp = zpool_open_canfail(hdl, pool)) == NULL)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (NULL);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (zhp->zpool_state == POOL_STATE_UNAVAIL) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) zfs_error(hdl, EZFS_POOLUNAVAIL,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dgettext(TEXT_DOMAIN, "cannot open '%s'"), zhp->zpool_name);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zpool_close(zhp);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (NULL);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (zhp);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Close the handle. Simply frees the memory associated with the handle.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorvoid
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_close(zpool_handle_t *zhp)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (zhp->zpool_config)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor nvlist_free(zhp->zpool_config);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (zhp->zpool_old_config)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor nvlist_free(zhp->zpool_old_config);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (zhp->zpool_error_log) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor int i;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor for (i = 0; i < zhp->zpool_error_count; i++)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor nvlist_free(zhp->zpool_error_log[i]);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor free(zhp->zpool_error_log);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor free(zhp);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Return the name of the pool.
c7facc54c4abed9e554ff80225311e6b7048d3c9Bill Taylor */
c7facc54c4abed9e554ff80225311e6b7048d3c9Bill Taylorconst char *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_get_name(zpool_handle_t *zhp)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (zhp->zpool_name);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Return the GUID of the pool.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Tayloruint64_t
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_get_guid(zpool_handle_t *zhp)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor uint64_t guid;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor verify(nvlist_lookup_uint64(zhp->zpool_config, ZPOOL_CONFIG_POOL_GUID,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor &guid) == 0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (guid);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Return the version of the pool.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Tayloruint64_t
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_get_version(zpool_handle_t *zhp)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor uint64_t version;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor verify(nvlist_lookup_uint64(zhp->zpool_config, ZPOOL_CONFIG_VERSION,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor &version) == 0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (version);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Return the amount of space currently consumed by the pool.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Tayloruint64_t
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_get_space_used(zpool_handle_t *zhp)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor nvlist_t *nvroot;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor vdev_stat_t *vs;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor uint_t vsc;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor &nvroot) == 0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_STATS,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (uint64_t **)&vs, &vsc) == 0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (vs->vs_alloc);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Return the total space in the pool.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Tayloruint64_t
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_get_space_total(zpool_handle_t *zhp)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor nvlist_t *nvroot;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor vdev_stat_t *vs;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor uint_t vsc;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor &nvroot) == 0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_STATS,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (uint64_t **)&vs, &vsc) == 0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (vs->vs_space);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Return the alternate root for this pool, if any.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorint
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_get_root(zpool_handle_t *zhp, char *buf, size_t buflen)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_cmd_t zc = { 0 };
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_OBJSET_STATS, &zc) != 0 ||
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zc.zc_value[0] == '\0')
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (-1);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) strlcpy(buf, zc.zc_value, buflen);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Return the state of the pool (ACTIVE or UNAVAILABLE)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorint
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_get_state(zpool_handle_t *zhp)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (zhp->zpool_state);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Create the named pool, using the provided vdev list. It is assumed
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * that the consumer has already validated the contents of the nvlist, so we
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * don't have to worry about error semantics.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorint
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_create(libzfs_handle_t *hdl, const char *pool, nvlist_t *nvroot,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor const char *altroot)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_cmd_t zc = { 0 };
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor char msg[1024];
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "cannot create '%s'"), pool);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (!zpool_name_valid(hdl, B_FALSE, pool))
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (zfs_error(hdl, EZFS_INVALIDNAME, msg));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (altroot != NULL && altroot[0] != '/')
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (zfs_error(hdl, EZFS_BADPATH,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dgettext(TEXT_DOMAIN, "bad alternate root '%s'"), altroot));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (zcmd_write_src_nvlist(hdl, &zc, nvroot, NULL) != 0)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (-1);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) strlcpy(zc.zc_name, pool, sizeof (zc.zc_name));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (altroot != NULL)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) strlcpy(zc.zc_value, altroot, sizeof (zc.zc_value));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_CREATE, &zc) != 0) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zcmd_free_nvlists(&zc);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor switch (errno) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case EBUSY:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * This can happen if the user has specified the same
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * device multiple times. We can't reliably detect this
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * until we try to add it and see we already have a
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * label.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "one or more vdevs refer to the same device"));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (zfs_error(hdl, EZFS_BADDEV, msg));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case EOVERFLOW:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * This occurs when one of the devices is below
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * SPA_MINDEVSIZE. Unfortunately, we can't detect which
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * device was the problem device since there's no
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * reliable way to determine device size from userland.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor char buf[64];
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "one or more devices is less than the "
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "minimum size (%s)"), buf);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (zfs_error(hdl, EZFS_BADDEV, msg));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case ENOSPC:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "one or more devices is out of space"));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (zfs_error(hdl, EZFS_BADDEV, msg));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor default:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (zpool_standard_error(hdl, errno, msg));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zcmd_free_nvlists(&zc);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * If this is an alternate root pool, then we automatically set the
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * mountpoint of the root dataset to be '/'.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (altroot != NULL) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_handle_t *zhp;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor verify((zhp = zfs_open(hdl, pool, ZFS_TYPE_ANY)) != NULL);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor verify(zfs_prop_set(zhp, zfs_prop_to_name(ZFS_PROP_MOUNTPOINT),
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "/") == 0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_close(zhp);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Destroy the given pool. It is up to the caller to ensure that there are no
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * datasets left in the pool.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorint
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_destroy(zpool_handle_t *zhp)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_cmd_t zc = { 0 };
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_handle_t *zfp = NULL;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor libzfs_handle_t *hdl = zhp->zpool_hdl;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor char msg[1024];
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (zhp->zpool_state == POOL_STATE_ACTIVE &&
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (zfp = zfs_open(zhp->zpool_hdl, zhp->zpool_name,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor ZFS_TYPE_FILESYSTEM)) == NULL)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (-1);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (zpool_remove_zvol_links(zhp) != 0)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (-1);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_POOL_DESTROY, &zc) != 0) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "cannot destroy '%s'"), zhp->zpool_name);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (errno == EROFS) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "one or more devices is read only"));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) zfs_error(hdl, EZFS_BADDEV, msg);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor } else {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) zpool_standard_error(hdl, errno, msg);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (zfp)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_close(zfp);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (-1);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (zfp) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor remove_mountpoint(zfp);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_close(zfp);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Add the given vdevs to the pool. The caller must have already performed the
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * necessary verification to ensure that the vdev specification is well-formed.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorint
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_add(zpool_handle_t *zhp, nvlist_t *nvroot)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_cmd_t zc = { 0 };
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor int ret;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor libzfs_handle_t *hdl = zhp->zpool_hdl;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor char msg[1024];
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor nvlist_t **spares;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor uint_t nspares;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "cannot add to '%s'"), zhp->zpool_name);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (zpool_get_version(zhp) < ZFS_VERSION_SPARES &&
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor &spares, &nspares) == 0) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be "
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "upgraded to add hot spares"));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (zfs_error(hdl, EZFS_BADVERSION, msg));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (zcmd_write_src_nvlist(hdl, &zc, nvroot, NULL) != 0)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (-1);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_ADD, &zc) != 0) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor switch (errno) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case EBUSY:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * This can happen if the user has specified the same
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * device multiple times. We can't reliably detect this
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * until we try to add it and see we already have a
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * label.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "one or more vdevs refer to the same device"));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) zfs_error(hdl, EZFS_BADDEV, msg);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor break;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case EOVERFLOW:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * This occurrs when one of the devices is below
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * SPA_MINDEVSIZE. Unfortunately, we can't detect which
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * device was the problem device since there's no
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * reliable way to determine device size from userland.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor char buf[64];
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "device is less than the minimum "
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "size (%s)"), buf);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) zfs_error(hdl, EZFS_BADDEV, msg);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor break;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case ENOTSUP:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "pool must be upgraded to add raidz2 vdevs"));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) zfs_error(hdl, EZFS_BADVERSION, msg);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor break;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor default:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) zpool_standard_error(hdl, errno, msg);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor ret = -1;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor } else {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor ret = 0;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zcmd_free_nvlists(&zc);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (ret);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Exports the pool from the system. The caller must ensure that there are no
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * mounted datasets in the pool.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorint
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_export(zpool_handle_t *zhp)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_cmd_t zc = { 0 };
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (zpool_remove_zvol_links(zhp) != 0)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (-1);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_POOL_EXPORT, &zc) != 0)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (zpool_standard_error(zhp->zpool_hdl, errno,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dgettext(TEXT_DOMAIN, "cannot export '%s'"),
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zhp->zpool_name));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Import the given pool using the known configuration. The configuration
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * should have come from zpool_find_import(). The 'newname' and 'altroot'
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * parameters control whether the pool is imported with a different name or with
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * an alternate root, respectively.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorint
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_import(libzfs_handle_t *hdl, nvlist_t *config, const char *newname,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor const char *altroot)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_cmd_t zc = { 0 };
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor char *thename;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor char *origname;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor int ret;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor &origname) == 0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (newname != NULL) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (!zpool_name_valid(hdl, B_FALSE, newname))
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (zfs_error(hdl, EZFS_INVALIDNAME,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dgettext(TEXT_DOMAIN, "cannot import '%s'"),
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor newname));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor thename = (char *)newname;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor } else {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor thename = origname;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (altroot != NULL && altroot[0] != '/')
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (zfs_error(hdl, EZFS_BADPATH,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dgettext(TEXT_DOMAIN, "bad alternate root '%s'"),
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor altroot));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
de710d24d2fae4468e64da999e1d952a247f142cJosef 'Jeff' Sipek (void) strlcpy(zc.zc_name, thename, sizeof (zc.zc_name));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (altroot != NULL)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) strlcpy(zc.zc_value, altroot, sizeof (zc.zc_value));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor else
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zc.zc_value[0] = '\0';
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor &zc.zc_guid) == 0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (zcmd_write_src_nvlist(hdl, &zc, config, NULL) != 0)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (-1);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor ret = 0;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_IMPORT, &zc) != 0) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor char desc[1024];
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (newname == NULL)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) snprintf(desc, sizeof (desc),
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dgettext(TEXT_DOMAIN, "cannot import '%s'"),
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor thename);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor else
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) snprintf(desc, sizeof (desc),
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dgettext(TEXT_DOMAIN, "cannot import '%s' as '%s'"),
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor origname, thename);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor switch (errno) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case ENOTSUP:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Unsupported version.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) zfs_error(hdl, EZFS_BADVERSION, desc);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor break;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case EINVAL:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) zfs_error(hdl, EZFS_INVALCONFIG, desc);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor break;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor default:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) zpool_standard_error(hdl, errno, desc);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor ret = -1;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor } else {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zpool_handle_t *zhp;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * This should never fail, but play it safe anyway.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (zpool_open_silent(hdl, thename, &zhp) != 0) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor ret = -1;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor } else if (zhp != NULL) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor ret = zpool_create_zvol_links(zhp);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zpool_close(zhp);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zcmd_free_nvlists(&zc);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (ret);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Scrub the pool.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorint
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_scrub(zpool_handle_t *zhp, pool_scrub_type_t type)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zfs_cmd_t zc = { 0 };
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor char msg[1024];
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor libzfs_handle_t *hdl = zhp->zpool_hdl;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor zc.zc_cookie = type;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_POOL_SCRUB, &zc) == 0)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) snprintf(msg, sizeof (msg),
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dgettext(TEXT_DOMAIN, "cannot scrub %s"), zc.zc_name);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (errno == EBUSY)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (zfs_error(hdl, EZFS_RESILVERING, msg));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor else
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (zpool_standard_error(hdl, errno, msg));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * 'avail_spare' is set to TRUE if the provided guid refers to an AVAIL
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * spare; but FALSE if its an INUSE spare.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorstatic nvlist_t *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorvdev_to_nvlist_iter(nvlist_t *nv, const char *search, uint64_t guid,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor boolean_t *avail_spare)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor uint_t c, children;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor nvlist_t **child;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor uint64_t theguid, present;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor char *path;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor uint64_t wholedisk = 0;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor nvlist_t *ret;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &theguid) == 0);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (search == NULL &&
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, &present) == 0) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * If the device has never been present since import, the only
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * reliable way to match the vdev is by GUID.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (theguid == guid)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (nv);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor } else if (search != NULL &&
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor &wholedisk);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (wholedisk) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * For whole disks, the internal path has 's0', but the
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * path passed in by the user doesn't.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (strlen(search) == strlen(path) - 2 &&
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor strncmp(search, path, strlen(search)) == 0)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (nv);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor } else if (strcmp(search, path) == 0) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (nv);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor &child, &children) != 0)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (NULL);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor for (c = 0; c < children; c++)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if ((ret = vdev_to_nvlist_iter(child[c], search, guid,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor avail_spare)) != NULL)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (ret);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor &child, &children) == 0) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor for (c = 0; c < children; c++) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if ((ret = vdev_to_nvlist_iter(child[c], search, guid,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor avail_spare)) != NULL) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *avail_spare = B_TRUE;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (ret);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (NULL);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylornvlist_t *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorzpool_find_vdev(zpool_handle_t *zhp, const char *path, boolean_t *avail_spare)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor char buf[MAXPATHLEN];
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor const char *search;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor char *end;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor nvlist_t *nvroot;
uint64_t guid;
guid = strtoull(path, &end, 10);
if (guid != 0 && *end == '\0') {
search = NULL;
} else if (path[0] != '/') {
(void) snprintf(buf, sizeof (buf), "%s%s", "/dev/dsk/", path);
search = buf;
} else {
search = path;
}
verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE,
&nvroot) == 0);
*avail_spare = B_FALSE;
return (vdev_to_nvlist_iter(nvroot, search, guid, avail_spare));
}
/*
* Returns TRUE if the given guid corresponds to a spare (INUSE or not).
*/
static boolean_t
is_spare(zpool_handle_t *zhp, uint64_t guid)
{
uint64_t spare_guid;
nvlist_t *nvroot;
nvlist_t **spares;
uint_t nspares;
int i;
verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE,
&nvroot) == 0);
if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES,
&spares, &nspares) == 0) {
for (i = 0; i < nspares; i++) {
verify(nvlist_lookup_uint64(spares[i],
ZPOOL_CONFIG_GUID, &spare_guid) == 0);
if (guid == spare_guid)
return (B_TRUE);
}
}
return (B_FALSE);
}
/*
* Bring the specified vdev online
*/
int
zpool_vdev_online(zpool_handle_t *zhp, const char *path)
{
zfs_cmd_t zc = { 0 };
char msg[1024];
nvlist_t *tgt;
boolean_t avail_spare;
libzfs_handle_t *hdl = zhp->zpool_hdl;
(void) snprintf(msg, sizeof (msg),
dgettext(TEXT_DOMAIN, "cannot online %s"), path);
(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
if ((tgt = zpool_find_vdev(zhp, path, &avail_spare)) == NULL)
return (zfs_error(hdl, EZFS_NODEVICE, msg));
verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0);
if (avail_spare || is_spare(zhp, zc.zc_guid) == B_TRUE)
return (zfs_error(hdl, EZFS_ISSPARE, msg));
if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_ONLINE, &zc) == 0)
return (0);
return (zpool_standard_error(hdl, errno, msg));
}
/*
* Take the specified vdev offline
*/
int
zpool_vdev_offline(zpool_handle_t *zhp, const char *path, int istmp)
{
zfs_cmd_t zc = { 0 };
char msg[1024];
nvlist_t *tgt;
boolean_t avail_spare;
libzfs_handle_t *hdl = zhp->zpool_hdl;
(void) snprintf(msg, sizeof (msg),
dgettext(TEXT_DOMAIN, "cannot offline %s"), path);
(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
if ((tgt = zpool_find_vdev(zhp, path, &avail_spare)) == NULL)
return (zfs_error(hdl, EZFS_NODEVICE, msg));
verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0);
if (avail_spare || is_spare(zhp, zc.zc_guid) == B_TRUE)
return (zfs_error(hdl, EZFS_ISSPARE, msg));
zc.zc_cookie = istmp;
if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_OFFLINE, &zc) == 0)
return (0);
switch (errno) {
case EBUSY:
/*
* There are no other replicas of this device.
*/
return (zfs_error(hdl, EZFS_NOREPLICAS, msg));
default:
return (zpool_standard_error(hdl, errno, msg));
}
}
/*
* Returns TRUE if the given nvlist is a vdev that was originally swapped in as
* a hot spare.
*/
static boolean_t
is_replacing_spare(nvlist_t *search, nvlist_t *tgt, int which)
{
nvlist_t **child;
uint_t c, children;
char *type;
if (nvlist_lookup_nvlist_array(search, ZPOOL_CONFIG_CHILDREN, &child,
&children) == 0) {
verify(nvlist_lookup_string(search, ZPOOL_CONFIG_TYPE,
&type) == 0);
if (strcmp(type, VDEV_TYPE_SPARE) == 0 &&
children == 2 && child[which] == tgt)
return (B_TRUE);
for (c = 0; c < children; c++)
if (is_replacing_spare(child[c], tgt, which))
return (B_TRUE);
}
return (B_FALSE);
}
/*
* Attach new_disk (fully described by nvroot) to old_disk.
* If 'replacing' is specified, tne new disk will replace the old one.
*/
int
zpool_vdev_attach(zpool_handle_t *zhp,
const char *old_disk, const char *new_disk, nvlist_t *nvroot, int replacing)
{
zfs_cmd_t zc = { 0 };
char msg[1024];
int ret;
nvlist_t *tgt;
boolean_t avail_spare;
uint64_t val;
char *path;
nvlist_t **child;
uint_t children;
nvlist_t *config_root;
libzfs_handle_t *hdl = zhp->zpool_hdl;
if (replacing)
(void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
"cannot replace %s with %s"), old_disk, new_disk);
else
(void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
"cannot attach %s to %s"), new_disk, old_disk);
(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
if ((tgt = zpool_find_vdev(zhp, old_disk, &avail_spare)) == 0)
return (zfs_error(hdl, EZFS_NODEVICE, msg));
if (avail_spare)
return (zfs_error(hdl, EZFS_ISSPARE, msg));
verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0);
zc.zc_cookie = replacing;
if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN,
&child, &children) != 0 || children != 1) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"new device must be a single disk"));
return (zfs_error(hdl, EZFS_INVALCONFIG, msg));
}
verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL),
ZPOOL_CONFIG_VDEV_TREE, &config_root) == 0);
/*
* If the target is a hot spare that has been swapped in, we can only
* replace it with another hot spare.
*/
if (replacing &&
nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_IS_SPARE, &val) == 0 &&
nvlist_lookup_string(child[0], ZPOOL_CONFIG_PATH, &path) == 0 &&
(zpool_find_vdev(zhp, path, &avail_spare) == NULL ||
!avail_spare) && is_replacing_spare(config_root, tgt, 1)) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"can only be replaced by another hot spare"));
return (zfs_error(hdl, EZFS_BADTARGET, msg));
}
/*
* If we are attempting to replace a spare, it canot be applied to an
* already spared device.
*/
if (replacing &&
nvlist_lookup_string(child[0], ZPOOL_CONFIG_PATH, &path) == 0 &&
zpool_find_vdev(zhp, path, &avail_spare) != NULL && avail_spare &&
is_replacing_spare(config_root, tgt, 0)) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"device has already been replaced with a spare"));
return (zfs_error(hdl, EZFS_BADTARGET, msg));
}
if (zcmd_write_src_nvlist(hdl, &zc, nvroot, NULL) != 0)
return (-1);
ret = ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_ATTACH, &zc);
zcmd_free_nvlists(&zc);
if (ret == 0)
return (0);
switch (errno) {
case ENOTSUP:
/*
* Can't attach to or replace this type of vdev.
*/
if (replacing)
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"cannot replace a replacing device"));
else
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"can only attach to mirrors and top-level "
"disks"));
(void) zfs_error(hdl, EZFS_BADTARGET, msg);
break;
case EINVAL:
/*
* The new device must be a single disk.
*/
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"new device must be a single disk"));
(void) zfs_error(hdl, EZFS_INVALCONFIG, msg);
break;
case EBUSY:
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "%s is busy"),
new_disk);
(void) zfs_error(hdl, EZFS_BADDEV, msg);
break;
case EOVERFLOW:
/*
* The new device is too small.
*/
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"device is too small"));
(void) zfs_error(hdl, EZFS_BADDEV, msg);
break;
case EDOM:
/*
* The new device has a different alignment requirement.
*/
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"devices have different sector alignment"));
(void) zfs_error(hdl, EZFS_BADDEV, msg);
break;
case ENAMETOOLONG:
/*
* The resulting top-level vdev spec won't fit in the label.
*/
(void) zfs_error(hdl, EZFS_DEVOVERFLOW, msg);
break;
default:
(void) zpool_standard_error(hdl, errno, msg);
}
return (-1);
}
/*
* Detach the specified device.
*/
int
zpool_vdev_detach(zpool_handle_t *zhp, const char *path)
{
zfs_cmd_t zc = { 0 };
char msg[1024];
nvlist_t *tgt;
boolean_t avail_spare;
libzfs_handle_t *hdl = zhp->zpool_hdl;
(void) snprintf(msg, sizeof (msg),
dgettext(TEXT_DOMAIN, "cannot detach %s"), path);
(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
if ((tgt = zpool_find_vdev(zhp, path, &avail_spare)) == 0)
return (zfs_error(hdl, EZFS_NODEVICE, msg));
if (avail_spare)
return (zfs_error(hdl, EZFS_ISSPARE, msg));
verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0);
if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_DETACH, &zc) == 0)
return (0);
switch (errno) {
case ENOTSUP:
/*
* Can't detach from this type of vdev.
*/
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "only "
"applicable to mirror and replacing vdevs"));
(void) zfs_error(zhp->zpool_hdl, EZFS_BADTARGET, msg);
break;
case EBUSY:
/*
* There are no other replicas of this device.
*/
(void) zfs_error(hdl, EZFS_NOREPLICAS, msg);
break;
default:
(void) zpool_standard_error(hdl, errno, msg);
}
return (-1);
}
/*
* Remove the given device. Currently, this is supported only for hot spares.
*/
int
zpool_vdev_remove(zpool_handle_t *zhp, const char *path)
{
zfs_cmd_t zc = { 0 };
char msg[1024];
nvlist_t *tgt;
boolean_t avail_spare;
libzfs_handle_t *hdl = zhp->zpool_hdl;
(void) snprintf(msg, sizeof (msg),
dgettext(TEXT_DOMAIN, "cannot remove %s"), path);
(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
if ((tgt = zpool_find_vdev(zhp, path, &avail_spare)) == 0)
return (zfs_error(hdl, EZFS_NODEVICE, msg));
if (!avail_spare) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"only hot spares can be removed"));
return (zfs_error(hdl, EZFS_NODEVICE, msg));
}
verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0);
if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_REMOVE, &zc) == 0)
return (0);
return (zpool_standard_error(hdl, errno, msg));
}
/*
* Clear the errors for the pool, or the particular device if specified.
*/
int
zpool_clear(zpool_handle_t *zhp, const char *path)
{
zfs_cmd_t zc = { 0 };
char msg[1024];
nvlist_t *tgt;
boolean_t avail_spare;
libzfs_handle_t *hdl = zhp->zpool_hdl;
if (path)
(void) snprintf(msg, sizeof (msg),
dgettext(TEXT_DOMAIN, "cannot clear errors for %s"),
path);
else
(void) snprintf(msg, sizeof (msg),
dgettext(TEXT_DOMAIN, "cannot clear errors for %s"),
zhp->zpool_name);
(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
if (path) {
if ((tgt = zpool_find_vdev(zhp, path, &avail_spare)) == 0)
return (zfs_error(hdl, EZFS_NODEVICE, msg));
if (avail_spare)
return (zfs_error(hdl, EZFS_ISSPARE, msg));
verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID,
&zc.zc_guid) == 0);
}
if (ioctl(hdl->libzfs_fd, ZFS_IOC_CLEAR, &zc) == 0)
return (0);
return (zpool_standard_error(hdl, errno, msg));
}
static int
do_zvol(zfs_handle_t *zhp, void *data)
{
int linktype = (int)(uintptr_t)data;
int ret;
/*
* We check for volblocksize intead of ZFS_TYPE_VOLUME so that we
* correctly handle snapshots of volumes.
*/
if (ZFS_IS_VOLUME(zhp)) {
if (linktype)
ret = zvol_create_link(zhp->zfs_hdl, zhp->zfs_name);
else
ret = zvol_remove_link(zhp->zfs_hdl, zhp->zfs_name);
}
ret = zfs_iter_children(zhp, do_zvol, data);
zfs_close(zhp);
return (ret);
}
/*
* Iterate over all zvols in the pool and make any necessary minor nodes.
*/
int
zpool_create_zvol_links(zpool_handle_t *zhp)
{
zfs_handle_t *zfp;
int ret;
/*
* If the pool is unavailable, just return success.
*/
if ((zfp = make_dataset_handle(zhp->zpool_hdl,
zhp->zpool_name)) == NULL)
return (0);
ret = zfs_iter_children(zfp, do_zvol, (void *)B_TRUE);
zfs_close(zfp);
return (ret);
}
/*
* Iterate over all zvols in the poool and remove any minor nodes.
*/
int
zpool_remove_zvol_links(zpool_handle_t *zhp)
{
zfs_handle_t *zfp;
int ret;
/*
* If the pool is unavailable, just return success.
*/
if ((zfp = make_dataset_handle(zhp->zpool_hdl,
zhp->zpool_name)) == NULL)
return (0);
ret = zfs_iter_children(zfp, do_zvol, (void *)B_FALSE);
zfs_close(zfp);
return (ret);
}
/*
* Convert from a devid string to a path.
*/
static char *
devid_to_path(char *devid_str)
{
ddi_devid_t devid;
char *minor;
char *path;
devid_nmlist_t *list = NULL;
int ret;
if (devid_str_decode(devid_str, &devid, &minor) != 0)
return (NULL);
ret = devid_deviceid_to_nmlist("/dev", devid, minor, &list);
devid_str_free(minor);
devid_free(devid);
if (ret != 0)
return (NULL);
if ((path = strdup(list[0].devname)) == NULL)
return (NULL);
devid_free_nmlist(list);
return (path);
}
/*
* Convert from a path to a devid string.
*/
static char *
path_to_devid(const char *path)
{
int fd;
ddi_devid_t devid;
char *minor, *ret;
if ((fd = open(path, O_RDONLY)) < 0)
return (NULL);
minor = NULL;
ret = NULL;
if (devid_get(fd, &devid) == 0) {
if (devid_get_minor_name(fd, &minor) == 0)
ret = devid_str_encode(devid, minor);
if (minor != NULL)
devid_str_free(minor);
devid_free(devid);
}
(void) close(fd);
return (ret);
}
/*
* Issue the necessary ioctl() to update the stored path value for the vdev. We
* ignore any failure here, since a common case is for an unprivileged user to
* type 'zpool status', and we'll display the correct information anyway.
*/
static void
set_path(zpool_handle_t *zhp, nvlist_t *nv, const char *path)
{
zfs_cmd_t zc = { 0 };
(void) strncpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
(void) strncpy(zc.zc_value, path, sizeof (zc.zc_value));
verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID,
&zc.zc_guid) == 0);
(void) ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_SETPATH, &zc);
}
/*
* Given a vdev, return the name to display in iostat. If the vdev has a path,
* we use that, stripping off any leading "/dev/dsk/"; if not, we use the type.
* We also check if this is a whole disk, in which case we strip off the
* trailing 's0' slice name.
*
* This routine is also responsible for identifying when disks have been
* reconfigured in a new location. The kernel will have opened the device by
* devid, but the path will still refer to the old location. To catch this, we
* first do a path -> devid translation (which is fast for the common case). If
* the devid matches, we're done. If not, we do a reverse devid -> path
* translation and issue the appropriate ioctl() to update the path of the vdev.
* If 'zhp' is NULL, then this is an exported pool, and we don't need to do any
* of these checks.
*/
char *
zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv)
{
char *path, *devid;
uint64_t value;
char buf[64];
if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT,
&value) == 0) {
verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID,
&value) == 0);
(void) snprintf(buf, sizeof (buf), "%llu",
(u_longlong_t)value);
path = buf;
} else if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) {
if (zhp != NULL &&
nvlist_lookup_string(nv, ZPOOL_CONFIG_DEVID, &devid) == 0) {
/*
* Determine if the current path is correct.
*/
char *newdevid = path_to_devid(path);
if (newdevid == NULL ||
strcmp(devid, newdevid) != 0) {
char *newpath;
if ((newpath = devid_to_path(devid)) != NULL) {
/*
* Update the path appropriately.
*/
set_path(zhp, nv, newpath);
if (nvlist_add_string(nv,
ZPOOL_CONFIG_PATH, newpath) == 0)
verify(nvlist_lookup_string(nv,
ZPOOL_CONFIG_PATH,
&path) == 0);
free(newpath);
}
}
if (newdevid)
devid_str_free(newdevid);
}
if (strncmp(path, "/dev/dsk/", 9) == 0)
path += 9;
if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK,
&value) == 0 && value) {
char *tmp = zfs_strdup(hdl, path);
if (tmp == NULL)
return (NULL);
tmp[strlen(path) - 2] = '\0';
return (tmp);
}
} else {
verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &path) == 0);
/*
* If it's a raidz device, we need to stick in the parity level.
*/
if (strcmp(path, VDEV_TYPE_RAIDZ) == 0) {
verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY,
&value) == 0);
(void) snprintf(buf, sizeof (buf), "%s%llu", path,
(u_longlong_t)value);
path = buf;
}
}
return (zfs_strdup(hdl, path));
}
static int
zbookmark_compare(const void *a, const void *b)
{
return (memcmp(a, b, sizeof (zbookmark_t)));
}
/*
* Retrieve the persistent error log, uniquify the members, and return to the
* caller.
*/
int
zpool_get_errlog(zpool_handle_t *zhp, nvlist_t ***list, size_t *nelem)
{
zfs_cmd_t zc = { 0 };
uint64_t count;
zbookmark_t *zb = NULL;
libzfs_handle_t *hdl = zhp->zpool_hdl;
int i, j;
if (zhp->zpool_error_log != NULL) {
*list = zhp->zpool_error_log;
*nelem = zhp->zpool_error_count;
return (0);
}
/*
* Retrieve the raw error list from the kernel. If the number of errors
* has increased, allocate more space and continue until we get the
* entire list.
*/
verify(nvlist_lookup_uint64(zhp->zpool_config, ZPOOL_CONFIG_ERRCOUNT,
&count) == 0);
if ((zc.zc_nvlist_dst = (uintptr_t)zfs_alloc(zhp->zpool_hdl,
count * sizeof (zbookmark_t))) == (uintptr_t)NULL)
return (-1);
zc.zc_nvlist_dst_size = count;
(void) strcpy(zc.zc_name, zhp->zpool_name);
for (;;) {
if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_ERROR_LOG,
&zc) != 0) {
free((void *)(uintptr_t)zc.zc_nvlist_dst);
if (errno == ENOMEM) {
if ((zc.zc_nvlist_dst = (uintptr_t)
zfs_alloc(zhp->zpool_hdl,
zc.zc_nvlist_dst_size)) == (uintptr_t)NULL)
return (-1);
} else {
return (-1);
}
} else {
break;
}
}
/*
* Sort the resulting bookmarks. This is a little confusing due to the
* implementation of ZFS_IOC_ERROR_LOG. The bookmarks are copied last
* to first, and 'zc_nvlist_dst_size' indicates the number of boomarks
* _not_ copied as part of the process. So we point the start of our
* array appropriate and decrement the total number of elements.
*/
zb = ((zbookmark_t *)(uintptr_t)zc.zc_nvlist_dst) +
zc.zc_nvlist_dst_size;
count -= zc.zc_nvlist_dst_size;
zc.zc_nvlist_dst = 0ULL;
qsort(zb, count, sizeof (zbookmark_t), zbookmark_compare);
/*
* Count the number of unique elements
*/
j = 0;
for (i = 0; i < count; i++) {
if (i > 0 && memcmp(&zb[i - 1], &zb[i],
sizeof (zbookmark_t)) == 0)
continue;
j++;
}
/*
* If the user has only requested the number of items, return it now
* without bothering with the extra work.
*/
if (list == NULL) {
*nelem = j;
free((void *)(uintptr_t)zc.zc_nvlist_dst);
return (0);
}
zhp->zpool_error_count = j;
/*
* Allocate an array of nvlists to hold the results
*/
if ((zhp->zpool_error_log = zfs_alloc(zhp->zpool_hdl,
j * sizeof (nvlist_t *))) == NULL) {
free((void *)(uintptr_t)zc.zc_nvlist_dst);
return (-1);
}
/*
* Fill in the results with names from the kernel.
*/
j = 0;
for (i = 0; i < count; i++) {
char buf[64];
nvlist_t *nv;
if (i > 0 && memcmp(&zb[i - 1], &zb[i],
sizeof (zbookmark_t)) == 0)
continue;
if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0)
goto nomem;
zc.zc_bookmark = zb[i];
for (;;) {
if (ioctl(zhp->zpool_hdl->libzfs_fd,
ZFS_IOC_BOOKMARK_NAME, &zc) != 0) {
if (errno == ENOMEM) {
if (zcmd_expand_dst_nvlist(hdl, &zc)
!= 0) {
zcmd_free_nvlists(&zc);
goto nomem;
}
continue;
} else {
if (nvlist_alloc(&nv, NV_UNIQUE_NAME,
0) != 0)
goto nomem;
zhp->zpool_error_log[j] = nv;
(void) snprintf(buf, sizeof (buf),
"%llx", (longlong_t)
zb[i].zb_objset);
if (nvlist_add_string(nv,
ZPOOL_ERR_DATASET, buf) != 0)
goto nomem;
(void) snprintf(buf, sizeof (buf),
"%llx", (longlong_t)
zb[i].zb_object);
if (nvlist_add_string(nv,
ZPOOL_ERR_OBJECT, buf) != 0)
goto nomem;
(void) snprintf(buf, sizeof (buf),
"lvl=%u blkid=%llu",
(int)zb[i].zb_level,
(long long)zb[i].zb_blkid);
if (nvlist_add_string(nv,
ZPOOL_ERR_RANGE, buf) != 0)
goto nomem;
}
} else {
if (zcmd_read_dst_nvlist(hdl, &zc,
&zhp->zpool_error_log[j]) != 0) {
zcmd_free_nvlists(&zc);
goto nomem;
}
}
break;
}
zcmd_free_nvlists(&zc);
j++;
}
*list = zhp->zpool_error_log;
*nelem = zhp->zpool_error_count;
free(zb);
return (0);
nomem:
free(zb);
free((void *)(uintptr_t)zc.zc_nvlist_dst);
for (i = 0; i < zhp->zpool_error_count; i++)
nvlist_free(zhp->zpool_error_log[i]);
free(zhp->zpool_error_log);
zhp->zpool_error_log = NULL;
return (no_memory(zhp->zpool_hdl));
}
/*
* Upgrade a ZFS pool to the latest on-disk version.
*/
int
zpool_upgrade(zpool_handle_t *zhp)
{
zfs_cmd_t zc = { 0 };
libzfs_handle_t *hdl = zhp->zpool_hdl;
(void) strcpy(zc.zc_name, zhp->zpool_name);
if (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_UPGRADE, &zc) != 0)
return (zpool_standard_error(hdl, errno,
dgettext(TEXT_DOMAIN, "cannot upgrade '%s'"),
zhp->zpool_name));
return (0);
}