metattach.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* attach 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] mirror [metadevice]\n\
%s [-s setname] [-i interlace] concat/stripe component...\n\
%s [-s setname] RAID component...\n\
%s [-s setname] [-A alignment] softpart size|all\n"),
myname, myname, myname, myname);
md_exit(sp, eval);
}
/*
* attach more space to a soft partition
*/
static int
sp_attach(
mdsetname_t **spp,
mdname_t *spnp,
int argc,
char *argv[],
mdcmdopts_t options,
md_error_t *ep
)
{
int c;
sp_ext_offset_t alignment = 0;
/* reset and parse args */
optind = 1;
opterr = 1;
while ((c = getopt(argc, argv, "ns:A:")) != -1) {
switch (c) {
case 'n':
case 's':
break;
case 'A':
if (meta_sp_parsesize(optarg, &alignment) == -1) {
usage(*spp, 1);
/* NOTREACHED */
}
break;
default:
usage(*spp, 1);
/* NOTREACHED */
break;
}
}
argc -= optind + 1;
argv += optind + 1;
if (argc != 1)
usage(*spp, 1);
if (meta_sp_attach(*spp, spnp, argv[0], options, alignment, ep) != 0) {
return (-1);
}
/* update md.cf file */
if (meta_update_md_cf(*spp, ep) != 0)
return (-1);
return (0);
}
/*
* attach components to stripe
*/
static int
stripe_attach(
mdsetname_t **spp,
mdname_t *stripenp,
int argc,
char *argv[],
mdcmdopts_t options,
md_error_t *ep
)
{
diskaddr_t interlace = 0;
int c;
mdnamelist_t *compnlp = NULL;
mdnamelist_t *p;
mdname_t *currootnp;
md_stripe_t *stripep;
md_row_t *rp;
md_comp_t *cp;
/* reset and parse args */
optind = 1;
opterr = 1;
while ((c = getopt(argc, argv, "s:ani:")) != -1) {
switch (c) {
case 'n':
case 's':
break;
case 'a':
break; /* obsolete */
case 'i':
if (parse_interlace(stripenp->cname, optarg,
&interlace, ep) != 0) {
return (-1);
}
if (meta_stripe_check_interlace(interlace,
stripenp->cname, ep))
return (-1);
break;
default:
usage(*spp, 1);
/*NOTREACHED*/
break;
}
}
argc -= optind + 1;
argv += optind + 1;
if (argc <= 0)
usage(*spp, 1);
/* get list of components */
if (metanamelist(spp, &compnlp, argc, argv, ep) < 0)
return (-1);
assert(compnlp != NULL);
for (p = compnlp; (p != NULL); p = p->next) {
mdname_t *compnp = p->namep;
/* see if we are a soft partition */
if (meta_sp_issp(*spp, compnp, ep) != 0) {
/* nope, check component */
if (metachkcomp(compnp, ep) != 0)
return (-1);
}
}
/* get root device */
if ((currootnp = meta_get_current_root_dev(*spp, ep)) != NULL) {
/*
* Root is either a stripe or a slice
* If root device is the 1st component of the stripe
* Then fail as root cannot be expanded
*/
if ((stripep = meta_get_stripe(*spp, stripenp, ep)) == NULL)
return (-1);
rp = &stripep->rows.rows_val[0];
cp = &rp->comps.comps_val[0];
if (metachkcomp(cp->compnamep, ep) == 0) {
/* Component is a disk */
if (strcmp(currootnp->cname,
cp->compnamep->cname) == 0) {
md_eprintf(gettext(
"%s: volume mounted as root cannot be "
"expanded\n"), stripenp->cname);
md_exit(*spp, 1);
}
}
}
/* attach components */
if (meta_stripe_attach(*spp, stripenp, compnlp, interlace, options,
ep) != 0) {
return (-1);
}
/* update md.cf file */
if (meta_update_md_cf(*spp, ep) != 0)
return (-1);
/* return success */
return (0);
}
/*
* attach components to raid
*/
static int
raid_attach(
mdsetname_t **spp,
mdname_t *raidnp,
int argc,
char *argv[],
mdcmdopts_t options,
md_error_t *ep
)
{
int c;
mdnamelist_t *compnlp = NULL;
mdnamelist_t *p;
/* reset and parse args */
optind = 1;
opterr = 1;
while ((c = getopt(argc, argv, "s:ai:")) != -1) {
switch (c) {
case 'n':
case 's':
break;
case 'a':
break; /* obsolete */
default:
usage(*spp, 1);
/*NOTREACHED*/
break;
}
}
argc -= optind + 1;
argv += optind + 1;
if (argc <= 0)
usage(*spp, 1);
/* get list of components */
if (metanamelist(spp, &compnlp, argc, argv, ep) < 0)
return (-1);
assert(compnlp != NULL);
for (p = compnlp; (p != NULL); p = p->next) {
mdname_t *compnp = p->namep;
/* check for soft partitions */
if (meta_sp_issp(*spp, compnp, ep) != 0) {
/* check disk */
if (metachkcomp(compnp, ep) != 0)
return (-1);
}
}
/* attach components */
if (meta_raid_attach(*spp, raidnp, compnlp, options, ep) != 0)
return (-1);
/* update md.cf file */
if (meta_update_md_cf(*spp, ep) != 0)
return (-1);
/* return success */
return (0);
}
/*
* attach submirror to mirror
*/
static int
mirror_attach(
mdsetname_t **spp,
mdname_t *mirnp,
int argc,
char *argv[],
mdcmdopts_t options,
md_error_t *ep
)
{
int c;
mdname_t *submirnp;
/* reset and parse args */
optind = 1;
opterr = 1;
while ((c = getopt(argc, argv, "ns:")) != -1) {
switch (c) {
case 'n':
case 's':
break;
default:
usage(*spp, 1);
/*NOTREACHED*/
break;
}
}
argc -= optind + 1;
argv += optind + 1;
/* get submirror */
if (argc == 1) {
if (((submirnp = metaname(spp, argv[0], ep)) == NULL) ||
(metachkmeta(submirnp, ep) != 0)) {
return (-1);
}
} else if (argc == 0) {
submirnp = NULL;
} else {
usage(*spp, 1);
}
/* attach submirror */
if (meta_mirror_attach(*spp, mirnp, submirnp, options, ep) != 0)
return (-1);
/* update md.cf file */
if (meta_update_md_cf(*spp, ep) != 0)
return (-1);
/* return success */
return (0);
}
/*
* attach devices
*/
int
main(
int argc,
char *argv[]
)
{
char *sname = NULL;
mdsetname_t *sp = NULL;
mdcmdopts_t options = (MDCMD_PRINT|MDCMD_DOIT);
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);
/* initialize */
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;
}
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, "hns:A:ai:?")) != -1) {
switch (c) {
case 'h':
usage(sp, 0);
break;
case 'n':
if (called_thru_rpc == TRUE) {
options &= ~MDCMD_DOIT;
} else {
usage(sp, 1);
}
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);
}
}
if (((np = metaname(&sp, argv[optind], 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
*/
int i;
int newargc;
int result;
char **newargv;
if ((miscname = metagetmiscname(np, ep)) == NULL) {
mde_perror(ep, "");
md_exit(sp, 1);
}
newargv = calloc(argc+1, sizeof (char *));
newargv[0] = "metattach";
newargv[1] = "-n"; /* always do "-n" first */
newargc = 2;
for (i = 1; i < argc; i++, newargc++)
newargv[newargc] = argv[i];
result = meta_mn_send_command(sp, newargc, newargv,
MD_DISP_STDERR | MD_DRYRUN, NO_CONTEXT_STRING, ep);
/* If we found a problem don't do it for real */
if (result != 0) {
md_exit(sp, result);
}
/*
* Do it for real now. Remove "-n" from the arguments and
* MD_DRYRUN from the flags. If we fail now, the master must
* panic as the mddbs may be inconsistent.
*/
newargv[1] = ""; /* this was "-n" before */
result = meta_mn_send_command(sp, newargc, newargv,
MD_DISP_STDERR | MD_RETRY_BUSY | MD_PANIC_WHEN_INCONSISTENT,
NO_CONTEXT_STRING, ep);
free(newargv);
/*
* If the metattach command succeeds, for a mirror, send a
* resync starting message for the metadevice
*/
if ((result == 0) && (strcmp(miscname, MD_MIRROR) == 0))
if ((result = meta_mn_send_resync_starting(np, ep))
!= 0)
mde_perror(ep, "Unable to start resync");
md_exit(sp, result);
}
if (meta_lock(sp, TRUE, ep)) {
mde_perror(ep, "");
md_exit(sp, 1);
}
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_STRIPE) == 0) {
if (stripe_attach(&sp, np, argc, argv, options, ep) != 0) {
mde_perror(ep, "");
md_exit(sp, 1);
}
} else if (strcmp(miscname, MD_RAID) == 0) {
if (raid_attach(&sp, np, argc, argv, options, ep) != 0) {
mde_perror(ep, "");
md_exit(sp, 1);
}
} else if (strcmp(miscname, MD_MIRROR) == 0) {
if (mirror_attach(&sp, np, argc, argv, options, ep) != 0) {
mde_perror(ep, "");
md_exit(sp, 1);
}
} else if (strcmp(miscname, MD_TRANS) == 0) {
md_eprintf(gettext(MD_EOF_TRANS_MSG));
md_exit(sp, 1);
} else if (strcmp(miscname, MD_SP) == 0) {
if (sp_attach(&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);
}