| /* |
| * 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" |
| |
| static int vgimport_single(struct cmd_context *cmd, |
| const char *vg_name, |
| struct volume_group *vg, |
| struct processing_handle *handle __attribute__((unused))) |
| { |
| struct pv_list *pvl; |
| struct physical_volume *pv; |
| |
| if (!vg_is_exported(vg)) { |
| log_error("Volume group \"%s\" is not exported", vg_name); |
| goto bad; |
| } |
| |
| if (vg_status(vg) & PARTIAL_VG) { |
| log_error("Volume group \"%s\" is partially missing", vg_name); |
| goto bad; |
| } |
| |
| if (!archive(vg)) |
| goto_bad; |
| |
| vg->status &= ~EXPORTED_VG; |
| |
| if (!is_lockd_type(vg->lock_type)) |
| vg->system_id = cmd->system_id ? dm_pool_strdup(vg->vgmem, cmd->system_id) : NULL; |
| |
| dm_list_iterate_items(pvl, &vg->pvs) { |
| pv = pvl->pv; |
| pv->status &= ~EXPORTED_VG; |
| } |
| |
| if (!vg_write(vg) || !vg_commit(vg)) |
| goto_bad; |
| |
| backup(vg); |
| |
| log_print_unless_silent("Volume group \"%s\" successfully imported", vg->name); |
| |
| return ECMD_PROCESSED; |
| |
| bad: |
| return ECMD_FAILED; |
| } |
| |
| int vgimport(struct cmd_context *cmd, int argc, char **argv) |
| { |
| const char *reason = NULL; |
| |
| if (!argc && !arg_is_set(cmd, all_ARG) && !arg_is_set(cmd, select_ARG)) { |
| log_error("Please supply volume groups or -S for selection or use -a for all."); |
| return EINVALID_CMD_LINE; |
| } |
| |
| if (arg_is_set(cmd, all_ARG) && (argc || arg_is_set(cmd, select_ARG))) { |
| log_error("No arguments permitted when using -a for all."); |
| return EINVALID_CMD_LINE; |
| } |
| |
| if (arg_is_set(cmd, force_ARG)) { |
| /* |
| * The volume group cannot be repaired unless it is first |
| * imported. If we don't allow the user a way to import the |
| * VG while it is 'partial', then we will have created a |
| * circular dependency. |
| * |
| * The reason we don't just simply set 'handles_missing_pvs' |
| * by default is that we want to guard against the case |
| * where the user simply forgot to move one or more disks in |
| * the VG before running 'vgimport'. |
| */ |
| log_warn("WARNING: Volume groups with missing PVs will be imported with --force."); |
| cmd->handles_missing_pvs = 1; |
| } |
| |
| /* |
| * Rescan devices and update lvmetad. lvmetad may hold a copy of the |
| * VG from before it was exported, if it was exported by another host. |
| * We need to reread it to see that it's been exported before we can |
| * import it. |
| */ |
| if (lvmetad_used()) { |
| if (!lvmetad_pvscan_all_devs(cmd, 1)) { |
| log_warn("WARNING: Not using lvmetad because cache update failed."); |
| lvmetad_make_unused(cmd); |
| } |
| |
| if (lvmetad_used() && lvmetad_is_disabled(cmd, &reason)) { |
| log_warn("WARNING: Not using lvmetad because %s.", reason); |
| lvmetad_make_unused(cmd); |
| } |
| } |
| |
| return process_each_vg(cmd, argc, argv, NULL, NULL, |
| READ_FOR_UPDATE | READ_ALLOW_EXPORTED, |
| 0, NULL, |
| &vgimport_single); |
| } |