metadetach.c revision d7cd82522afdd890a66c7600b499590ad44e84bd
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* detach submirrors
*/
#include <meta.h>
#include <sdssc.h>
/*
* print usage message
*/
static void
usage(
mdsetname_t *sp,
int eval
)
{
(void) fprintf(stderr, gettext("\
usage: %s [-s setname] [-f] mirror submirror\n\
%s [-s setname] [-f] trans\n"),
myname, myname);
md_exit(sp, eval);
}
/*
* detach submirror from mirror
*/
static int
mirror_detach(
mdsetname_t **spp,
mdname_t *mirnp,
int argc,
char *argv[],
mdcmdopts_t options,
md_error_t *ep
)
{
mdname_t *submirnp;
int c;
/* reset and parse args */
optind = 1;
opterr = 1;
while ((c = getopt(argc, argv, "s:f")) != -1) {
switch (c) {
case 's':
break;
case 'f':
options |= MDCMD_FORCE;
break;
default:
usage(*spp, 1);
/*NOTREACHED*/
break;
}
}
argc -= optind;
argv += optind;
if (argc != 2)
usage(*spp, 1);
/* get submirror */
if ((submirnp = metaname(spp, argv[1], META_DEVICE, ep)) == NULL)
return (-1);
/* detach submirror */
if (meta_mirror_detach(*spp, mirnp, submirnp, options, ep) != 0)
return (-1);
/* update md.cf */
if (meta_update_md_cf(*spp, ep) != 0)
return (-1);
/* return success */
return (0);
}
/*
* detach log from trans
*/
static int
trans_detach(
mdsetname_t *sp,
mdname_t *transnp,
int argc,
char *argv[],
mdcmdopts_t options,
md_error_t *ep
)
{
int delayed;
int c;
/* reset and parse args */
optind = 1;
opterr = 1;
while ((c = getopt(argc, argv, "s:f")) != -1) {
switch (c) {
case 's':
break;
case 'f':
options |= MDCMD_FORCE;
break;
default:
usage(sp, 1);
/*NOTREACHED*/
break;
}
}
argc -= optind;
argv += optind;
if (argc != 1)
usage(sp, 1);
/* detach log */
if (meta_trans_detach(sp, transnp, options, &delayed, ep) != 0)
return (-1);
/* update md.cf */
if (meta_update_md_cf(sp, ep) != 0)
return (-1);
/* return success */
return (0);
}
/*
* parse args and doit
*/
int
main(
int argc,
char *argv[]
)
{
char *sname = NULL;
mdsetname_t *sp = NULL;
mdcmdopts_t options = (MDCMD_PRINT);
mdname_t *np;
char *miscname;
int c;
md_error_t status = mdnullerror;
md_error_t *ep = &status;
int error;
bool_t called_thru_rpc = FALSE;
char *cp;
/*
* Get the locale set up before calling any other routines
* with messages to ouput. Just in case we're not in a build
* environment, make sure that TEXT_DOMAIN gets set to
* something.
*/
#if !defined(TEXT_DOMAIN)
#define TEXT_DOMAIN "SYS_TEST"
#endif
(void) setlocale(LC_ALL, "");
(void) textdomain(TEXT_DOMAIN);
if ((cp = strstr(argv[0], ".rpc_call")) == NULL) {
if (sdssc_bind_library() == SDSSC_OKAY)
if (sdssc_cmd_proxy(argc, argv, SDSSC_PROXY_PRIMARY,
&error) == SDSSC_PROXY_DONE)
exit(error);
} else {
*cp = '\0'; /* cut off ".rpc_call" */
called_thru_rpc = TRUE;
}
/* initialize */
if (md_init(argc, argv, 0, 1, ep) != 0 ||
meta_check_root(ep) != 0) {
mde_perror(ep, "");
md_exit(sp, 1);
}
/* find set and metadevice first */
optind = 1;
opterr = 1;
while ((c = getopt(argc, argv, "hs:f?")) != -1) {
switch (c) {
case 'h':
usage(sp, 0);
break;
case 's':
sname = optarg;
break;
case '?':
if (optopt == '?')
usage(sp, 0);
break;
}
}
if ((argc - optind) <= 0)
usage(sp, 1);
if (sname != NULL) {
if ((sp = metasetname(sname, ep)) == NULL) {
mde_perror(ep, "");
md_exit(sp, 1);
}
}
/* Get metadevice name */
if (((np = metaname(&sp, argv[optind], META_DEVICE, ep)) == NULL) ||
(metachkmeta(np, ep) != 0)) {
mde_perror(ep, "");
md_exit(sp, 1);
}
assert(sp != NULL);
if ((called_thru_rpc == FALSE) &&
meta_is_mn_name(&sp, argv[optind], ep)) {
/*
* If we are dealing with a MN set and we were not
* called thru an rpc call, we are just to send this
* command string to the master of the set and let it
* deal with it.
* Note that if sp is NULL, meta_is_mn_name() derives sp
* from argv[optind] which is the metadevice arg
* If this fails, the master must panic as the mddb may be
* inconsistent
*/
int result;
result = meta_mn_send_command(sp, argc, argv, MD_DISP_STDERR |
MD_PANIC_WHEN_INCONSISTENT, NO_CONTEXT_STRING, ep);
/*
* The error message has been already been displayed
* just exit
*/
md_exit(sp, result);
}
/* grab set lock */
if (meta_lock(sp, TRUE, ep)) {
mde_perror(ep, "");
md_exit(sp, 1);
}
/* check ownership */
if (meta_check_ownership(sp, ep) != 0) {
mde_perror(ep, "");
md_exit(sp, 1);
}
if ((miscname = metagetmiscname(np, ep)) == NULL) {
mde_perror(ep, "");
md_exit(sp, 1);
}
/* dispatch based on device type */
if (strcmp(miscname, MD_MIRROR) == 0) {
if (mirror_detach(&sp, np, argc, argv, options, ep) != 0) {
mde_perror(ep, "");
md_exit(sp, 1);
}
} else if (strcmp(miscname, MD_TRANS) == 0) {
if (trans_detach(sp, np, argc, argv, options, ep) != 0) {
mde_perror(ep, "");
md_exit(sp, 1);
}
} else {
md_eprintf(gettext(
"%s: invalid metadevice type %s\n"),
np->cname, miscname);
md_exit(sp, 1);
}
/* return success */
md_exit(sp, 0);
/*NOTREACHED*/
return (0);
}