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/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2007 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 vgconvert_single(struct cmd_context *cmd, const char *vg_name,
struct volume_group *vg,
struct processing_handle *handle __attribute__((unused)))
{
struct pv_create_args pva = { 0 };
struct logical_volume *lv;
struct lv_list *lvl;
struct lvinfo info;
int active = 0;
if (!vg_check_status(vg, LVM_WRITE | EXPORTED_VG))
return_ECMD_FAILED;
if (vg->fid->fmt == cmd->fmt) {
log_error("Volume group \"%s\" already uses format %s",
vg_name, cmd->fmt->name);
return ECMD_FAILED;
}
if (cmd->fmt->features & FMT_MDAS) {
if (arg_sign_value(cmd, metadatasize_ARG, SIGN_NONE) == SIGN_MINUS) {
log_error("Metadata size may not be negative");
return EINVALID_CMD_LINE;
}
pva.pvmetadatasize = arg_uint64_value(cmd, metadatasize_ARG, UINT64_C(0));
if (!pva.pvmetadatasize)
pva.pvmetadatasize = find_config_tree_int(cmd, metadata_pvmetadatasize_CFG, NULL);
pva.pvmetadatacopies = arg_int_value(cmd, pvmetadatacopies_ARG, -1);
if (pva.pvmetadatacopies < 0)
pva.pvmetadatacopies = find_config_tree_int(cmd, metadata_pvmetadatacopies_CFG, NULL);
}
if (cmd->fmt->features & FMT_BAS) {
if (arg_sign_value(cmd, bootloaderareasize_ARG, SIGN_NONE) == SIGN_MINUS) {
log_error("Bootloader area size may not be negative");
return EINVALID_CMD_LINE;
}
pva.ba_size = arg_uint64_value(cmd, bootloaderareasize_ARG, UINT64_C(0));
}
if (!vg_check_new_extent_size(cmd->fmt, vg->extent_size))
return_ECMD_FAILED;
if (!archive(vg)) {
log_error("Archive of \"%s\" metadata failed.", vg_name);
return ECMD_FAILED;
}
/* Set PV/LV limit if converting from unlimited metadata format */
if (vg->fid->fmt->features & FMT_UNLIMITED_VOLS &&
!(cmd->fmt->features & FMT_UNLIMITED_VOLS)) {
if (!vg->max_lv)
vg->max_lv = 255;
if (!vg->max_pv)
vg->max_pv = 255;
}
/* If converting to restricted lvid, check if lvid is compatible */
if (!(vg->fid->fmt->features & FMT_RESTRICTED_LVIDS) &&
cmd->fmt->features & FMT_RESTRICTED_LVIDS)
dm_list_iterate_items(lvl, &vg->lvs)
if (!lvid_in_restricted_range(&lvl->lv->lvid)) {
log_error("Logical volume %s lvid format is"
" incompatible with requested"
" metadata format.", lvl->lv->name);
return ECMD_FAILED;
}
/* New-style system ID supported? */
if (vg->system_id && *vg->system_id && (cmd->fmt->features & FMT_SYSTEMID_ON_PVS)) {
log_error("Unable to convert VG %s while it has a system ID set (%s).", vg->name,
vg->system_id);
return ECMD_FAILED;
}
/* Attempt to change any LVIDs that are too big */
if (cmd->fmt->features & FMT_RESTRICTED_LVIDS) {
dm_list_iterate_items(lvl, &vg->lvs) {
lv = lvl->lv;
if (lv->status & SNAPSHOT)
continue;
if (lvnum_from_lvid(&lv->lvid) < MAX_RESTRICTED_LVS)
continue;
if (lv_info(cmd, lv, 0, &info, 0, 0) && info.exists) {
log_error("Logical volume %s must be "
"deactivated before conversion.",
lv->name);
active++;
continue;
}
lvid_from_lvnum(&lv->lvid, &lv->vg->id, find_free_lvnum(lv));
}
}
if (active)
return_ECMD_FAILED;
/* FIXME Cache the label format change so we don't have to skip this */
if (test_mode()) {
log_verbose("Test mode: Skipping metadata writing for VG %s in"
" format %s", vg_name, cmd->fmt->name);
return ECMD_PROCESSED;
}
log_verbose("Writing metadata for VG %s using format %s", vg_name,
cmd->fmt->name);
if (!backup_restore_vg(cmd, vg, 1, &pva)) {
log_error("Conversion failed for volume group %s.", vg_name);
log_error("Use pvcreate and vgcfgrestore to repair from "
"archived metadata.");
return ECMD_FAILED;
}
log_print_unless_silent("Volume group %s successfully converted", vg_name);
backup(vg);
return ECMD_PROCESSED;
}
int vgconvert(struct cmd_context *cmd, int argc, char **argv)
{
if (!argc) {
log_error("Please enter volume group(s)");
return EINVALID_CMD_LINE;
}
if (arg_is_set(cmd, metadatatype_ARG) && lvmetad_used()) {
log_error("lvmetad must be disabled to change metadata types.");
return EINVALID_CMD_LINE;
}
if (arg_int_value(cmd, labelsector_ARG, 0) >= LABEL_SCAN_SECTORS) {
log_error("labelsector must be less than %lu",
LABEL_SCAN_SECTORS);
return EINVALID_CMD_LINE;
}
if (!(cmd->fmt->features & FMT_MDAS) &&
arg_is_set(cmd, pvmetadatacopies_ARG)) {
log_error("Metadata parameters only apply to text format");
return EINVALID_CMD_LINE;
}
if (!(cmd->fmt->features & FMT_BAS) &&
arg_is_set(cmd, bootloaderareasize_ARG)) {
log_error("Bootloader area parameters only apply to text format");
return EINVALID_CMD_LINE;
}
return process_each_vg(cmd, argc, argv, NULL, NULL, READ_FOR_UPDATE, 0, NULL,
&vgconvert_single);
}
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