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lvm2/tools/vgremove.c

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/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004 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,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU General Public License v.2.
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*
* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
#include "tools.h"
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static int vgremove_single(struct cmd_context *cmd, const char *vg_name,
struct volume_group *vg, int consistent,
void *handle __attribute((unused)))
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{
struct physical_volume *pv;
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struct pv_list *pvl;
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int ret = ECMD_PROCESSED;
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if (!vg || !consistent || (vg->status & PARTIAL_VG)) {
log_error("Volume group \"%s\" not found or inconsistent.",
vg_name);
log_error("Consider vgreduce --removemissing if metadata "
"is inconsistent.");
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return ECMD_FAILED;
}
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if (vg->status & EXPORTED_VG) {
log_error("Volume group \"%s\" is exported", vg->name);
return ECMD_FAILED;
}
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if (vg->lv_count) {
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log_error("Volume group \"%s\" still contains %d "
"logical volume(s)", vg_name, vg->lv_count);
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return ECMD_FAILED;
}
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if (!archive(vg))
return ECMD_FAILED;
if (!vg_remove(vg)) {
log_error("vg_remove %s failed", vg_name);
return ECMD_FAILED;
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}
/* init physical volumes */
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list_iterate_items(pvl, &vg->pvs) {
pv = pvl->pv;
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log_verbose("Removing physical volume \"%s\" from "
"volume group \"%s\"", dev_name(pv->dev), vg_name);
pv->vg_name = ORPHAN;
pv->status = ALLOCATABLE_PV;
if (!dev_get_size(pv->dev, &pv->size)) {
log_error("%s: Couldn't get size.", dev_name(pv->dev));
ret = ECMD_FAILED;
continue;
}
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/* FIXME Write to same sector label was read from */
if (!pv_write(cmd, pv, NULL, INT64_C(-1))) {
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log_error("Failed to remove physical volume \"%s\""
" from volume group \"%s\"",
dev_name(pv->dev), vg_name);
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ret = ECMD_FAILED;
}
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}
backup_remove(cmd, vg_name);
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if (ret == ECMD_PROCESSED)
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log_print("Volume group \"%s\" successfully removed", vg_name);
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else
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log_error("Volume group \"%s\" not properly removed", vg_name);
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return ret;
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}
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int vgremove(struct cmd_context *cmd, int argc, char **argv)
{
int ret;
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if (!lock_vol(cmd, ORPHAN, LCK_VG_WRITE)) {
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log_error("Can't get lock for orphan PVs");
return ECMD_FAILED;
}
ret = process_each_vg(cmd, argc, argv,
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LCK_VG_WRITE | LCK_NONBLOCK, 1,
NULL, &vgremove_single);
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unlock_vg(cmd, ORPHAN);
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return ret;
}