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f65dd341a5
Previously, we have relied on UUIDs alone, and on lvmcache to make getting a "new copy" of VG metadata fast. If the code which triggers the activation has the correct VG metadata at hand (the version which is currently on disk), it can now hand it to the activation code directly.
135 lines
3.5 KiB
C
135 lines
3.5 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "tools.h"
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int vgcreate(struct cmd_context *cmd, int argc, char **argv)
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{
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struct vgcreate_params vp_new;
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struct vgcreate_params vp_def;
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struct volume_group *vg;
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const char *tag;
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const char *clustered_message = "";
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char *vg_name;
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struct pvcreate_params pp;
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struct arg_value_group_list *current_group;
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if (!argc) {
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log_error("Please provide volume group name and "
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"physical volumes");
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return EINVALID_CMD_LINE;
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}
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vg_name = argv[0];
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argc--;
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argv++;
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pvcreate_params_set_defaults(&pp);
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if (!pvcreate_params_validate(cmd, argc, argv, &pp)) {
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return EINVALID_CMD_LINE;
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}
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vgcreate_params_set_defaults(&vp_def, NULL);
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vp_def.vg_name = vg_name;
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if (!vgcreate_params_set_from_args(cmd, &vp_new, &vp_def))
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return EINVALID_CMD_LINE;
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if (!vgcreate_params_validate(cmd, &vp_new))
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return EINVALID_CMD_LINE;
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lvmcache_seed_infos_from_lvmetad(cmd);
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/* Create the new VG */
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vg = vg_create(cmd, vp_new.vg_name);
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if (vg_read_error(vg)) {
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if (vg_read_error(vg) == FAILED_EXIST)
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log_error("A volume group called %s already exists.", vp_new.vg_name);
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else
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log_error("Can't get lock for %s.", vp_new.vg_name);
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release_vg(vg);
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return ECMD_FAILED;
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}
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if (!vg_set_extent_size(vg, vp_new.extent_size) ||
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!vg_set_max_lv(vg, vp_new.max_lv) ||
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!vg_set_max_pv(vg, vp_new.max_pv) ||
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!vg_set_alloc_policy(vg, vp_new.alloc) ||
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!vg_set_clustered(vg, vp_new.clustered) ||
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!vg_set_mda_copies(vg, vp_new.vgmetadatacopies))
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goto bad_orphan;
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if (!lock_vol(cmd, VG_ORPHANS, LCK_VG_WRITE, NULL)) {
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log_error("Can't get lock for orphan PVs");
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goto bad_orphan;
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}
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/* attach the pv's */
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if (!vg_extend(vg, argc, (const char* const*)argv, &pp))
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goto_bad;
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if (vp_new.max_lv != vg->max_lv)
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log_warn("WARNING: Setting maxlogicalvolumes to %d "
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"(0 means unlimited)", vg->max_lv);
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if (vp_new.max_pv != vg->max_pv)
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log_warn("WARNING: Setting maxphysicalvolumes to %d "
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"(0 means unlimited)", vg->max_pv);
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if (arg_count(cmd, addtag_ARG)) {
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dm_list_iterate_items(current_group, &cmd->arg_value_groups) {
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if (!grouped_arg_is_set(current_group->arg_values, addtag_ARG))
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continue;
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if (!(tag = grouped_arg_str_value(current_group->arg_values, addtag_ARG, NULL))) {
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log_error("Failed to get tag");
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goto bad;
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}
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if (!vg_change_tag(vg, tag, 1))
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goto_bad;
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}
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}
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if (vg_is_clustered(vg))
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clustered_message = "Clustered ";
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else if (locking_is_clustered())
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clustered_message = "Non-clustered ";
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if (!archive(vg))
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goto_bad;
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/* Store VG on disk(s) */
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if (!vg_write(vg) || !vg_commit(vg))
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goto_bad;
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unlock_vg(cmd, VG_ORPHANS);
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unlock_vg(cmd, vp_new.vg_name);
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backup(vg);
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log_print_unless_silent("%s%colume group \"%s\" successfully created",
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clustered_message, *clustered_message ? 'v' : 'V', vg->name);
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release_vg(vg);
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return ECMD_PROCESSED;
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bad:
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unlock_vg(cmd, VG_ORPHANS);
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bad_orphan:
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release_vg(vg);
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unlock_vg(cmd, vp_new.vg_name);
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return ECMD_FAILED;
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}
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