mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-22 17:35:59 +03:00
6620dc9475
Save the list of PVs in /run/lvm/hints. These hints are used to reduce scanning in a number of commands to only the PVs on the system, or only the PVs in a requested VG (rather than all devices on the system.)
169 lines
4.8 KiB
C
169 lines
4.8 KiB
C
/*
|
|
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
|
|
* Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
|
|
*
|
|
* This file is part of LVM2.
|
|
*
|
|
* This copyrighted material is made available to anyone wishing to use,
|
|
* modify, copy, or redistribute it subject to the terms and conditions
|
|
* of the GNU Lesser General Public License v.2.1.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "tools.h"
|
|
|
|
/*
|
|
* Intial sanity checking of recovery-related command-line arguments.
|
|
* These args are: --restorefile, --uuid, and --physicalvolumesize
|
|
*
|
|
* Output arguments:
|
|
* pp: structure allocated by caller, fields written / validated here
|
|
*/
|
|
static int _pvcreate_restore_params_from_args(struct cmd_context *cmd, int argc,
|
|
struct pvcreate_params *pp)
|
|
{
|
|
pp->restorefile = arg_str_value(cmd, restorefile_ARG, NULL);
|
|
|
|
if (arg_is_set(cmd, restorefile_ARG) && !arg_is_set(cmd, uuidstr_ARG)) {
|
|
log_error("--uuid is required with --restorefile");
|
|
return 0;
|
|
}
|
|
|
|
if (!arg_is_set(cmd, restorefile_ARG) && arg_is_set(cmd, uuidstr_ARG)) {
|
|
if (!arg_is_set(cmd, norestorefile_ARG) &&
|
|
find_config_tree_bool(cmd, devices_require_restorefile_with_uuid_CFG, NULL)) {
|
|
log_error("--restorefile is required with --uuid");
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (arg_is_set(cmd, uuidstr_ARG) && argc != 1) {
|
|
log_error("Can only set uuid on one volume at once");
|
|
return 0;
|
|
}
|
|
|
|
if (arg_is_set(cmd, uuidstr_ARG)) {
|
|
pp->uuid_str = arg_str_value(cmd, uuidstr_ARG, "");
|
|
if (!id_read_format(&pp->pva.id, pp->uuid_str))
|
|
return 0;
|
|
pp->pva.idp = &pp->pva.id;
|
|
}
|
|
|
|
if (arg_sign_value(cmd, setphysicalvolumesize_ARG, SIGN_NONE) == SIGN_MINUS) {
|
|
log_error("Physical volume size may not be negative");
|
|
return 0;
|
|
}
|
|
pp->pva.size = arg_uint64_value(cmd, setphysicalvolumesize_ARG, UINT64_C(0));
|
|
|
|
if (arg_is_set(cmd, restorefile_ARG) || arg_is_set(cmd, uuidstr_ARG))
|
|
pp->zero = 0;
|
|
return 1;
|
|
}
|
|
|
|
static int _pvcreate_restore_params_from_backup(struct cmd_context *cmd,
|
|
struct pvcreate_params *pp)
|
|
{
|
|
struct volume_group *vg;
|
|
struct pv_list *existing_pvl;
|
|
|
|
/*
|
|
* When restoring a PV, params need to be read from a backup file.
|
|
*/
|
|
if (!pp->restorefile)
|
|
return 1;
|
|
|
|
if (!(vg = backup_read_vg(cmd, NULL, pp->restorefile))) {
|
|
log_error("Unable to read volume group from %s", pp->restorefile);
|
|
return 0;
|
|
}
|
|
|
|
if (!(existing_pvl = find_pv_in_vg_by_uuid(vg, &pp->pva.id))) {
|
|
release_vg(vg);
|
|
log_error("Can't find uuid %s in backup file %s",
|
|
pp->uuid_str, pp->restorefile);
|
|
return 0;
|
|
}
|
|
|
|
pp->pva.ba_start = pv_ba_start(existing_pvl->pv);
|
|
pp->pva.ba_size = pv_ba_size(existing_pvl->pv);
|
|
pp->pva.pe_start = pv_pe_start(existing_pvl->pv);
|
|
pp->pva.extent_size = pv_pe_size(existing_pvl->pv);
|
|
pp->pva.extent_count = pv_pe_count(existing_pvl->pv);
|
|
|
|
release_vg(vg);
|
|
return 1;
|
|
}
|
|
|
|
int pvcreate(struct cmd_context *cmd, int argc, char **argv)
|
|
{
|
|
struct processing_handle *handle;
|
|
struct pvcreate_params pp;
|
|
int ret;
|
|
|
|
/*
|
|
* Five kinds of pvcreate param values:
|
|
* 1. defaults
|
|
* 2. recovery-related command line args
|
|
* 3. recovery-related args from backup file
|
|
* 4. normal command line args
|
|
* (this also checks some settings from 2 & 3)
|
|
* 5. argc/argv free args specifying devices
|
|
*/
|
|
|
|
pvcreate_params_set_defaults(&pp);
|
|
|
|
if (!_pvcreate_restore_params_from_args(cmd, argc, &pp))
|
|
return EINVALID_CMD_LINE;
|
|
|
|
if (!_pvcreate_restore_params_from_backup(cmd, &pp))
|
|
return EINVALID_CMD_LINE;
|
|
|
|
if (!pvcreate_params_from_args(cmd, &pp))
|
|
return EINVALID_CMD_LINE;
|
|
|
|
/*
|
|
* If --metadatasize was not given with --restorefile, set it to pe_start.
|
|
* Later code treats this as a maximum size and reduces it to fit.
|
|
*/
|
|
if (!arg_is_set(cmd, metadatasize_ARG) && arg_is_set(cmd, restorefile_ARG))
|
|
pp.pva.pvmetadatasize = pp.pva.pe_start;
|
|
|
|
/* FIXME Also needs to check any 2nd metadata area isn't inside the data area! */
|
|
|
|
pp.pv_count = argc;
|
|
pp.pv_names = argv;
|
|
|
|
/* Check for old md signatures at the end of devices. */
|
|
cmd->use_full_md_check = 1;
|
|
|
|
/*
|
|
* Needed to change the set of orphan PVs.
|
|
* (disable afterward to prevent process_each_pv from doing
|
|
* a shared global lock since it's already acquired it ex.)
|
|
*/
|
|
if (!lockd_gl(cmd, "ex", 0))
|
|
return_ECMD_FAILED;
|
|
cmd->lockd_gl_disable = 1;
|
|
|
|
clear_hint_file(cmd);
|
|
|
|
if (!(handle = init_processing_handle(cmd, NULL))) {
|
|
log_error("Failed to initialize processing handle.");
|
|
return ECMD_FAILED;
|
|
}
|
|
|
|
if (!pvcreate_each_device(cmd, handle, &pp))
|
|
ret = ECMD_FAILED;
|
|
else {
|
|
/* pvcreate_each_device returns with orphans locked */
|
|
unlock_vg(cmd, NULL, VG_ORPHANS);
|
|
ret = ECMD_PROCESSED;
|
|
}
|
|
|
|
destroy_processing_handle(cmd, handle);
|
|
return ret;
|
|
}
|