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lvm2/tools/vgremove.c

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/*
* Copyright (C) 2001 Sistina Software
*
* vgremove is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* vgremove is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with LVM; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
#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)
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{
struct physical_volume *pv;
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struct list *pvh;
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int ret = 0;
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if (!vg || !consistent) {
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log_error("Volume group \"%s\" doesn't exist", vg_name);
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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;
}
if (vg->status & PARTIAL_VG) {
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log_error("Cannot remove partial volume group \"%s\"",
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(pvh, &vg->pvs) {
pv = list_item(pvh, struct pv_list)->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;
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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(vg_name);
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if (!ret)
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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;
if (!lock_vol(cmd, "", LCK_VG_WRITE)) {
log_error("Can't get lock for orphan PVs");
return ECMD_FAILED;
}
ret = process_each_vg(cmd, argc, argv,
LCK_VG | LCK_WRITE | LCK_NONBLOCK, 1, NULL,
&vgremove_single);
unlock_vg(cmd, "");
return ret;
}