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lvm2/tools/lvremove.c
Alasdair Kergon 993dfa4368 lvremove
2001-10-29 13:52:23 +00:00

125 lines
3.0 KiB
C

/*
* Copyright (C) 2001 Sistina Software
*
* LVM 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.
*
* LVM 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"
int lvremove_single(char *lv_name);
int lvremove(int argc, char **argv)
{
int opt;
int ret = 0;
if (!argc) {
log_error("Please enter one or more logical volume paths");
return EINVALID_CMD_LINE;
}
for (opt = 0; opt < argc; opt++) {
if ((ret = lvremove_single(argv[opt])))
break;
}
return ret;
}
int lvremove_single(char *lv_name)
{
char *vg_name = NULL;
struct volume_group *vg;
struct list_head *lvh;
struct logical_volume *lv;
/* does VG exist? */
if (!(vg_name = extract_vgname(ios, lv_name))) {
return ECMD_FAILED;
}
log_verbose("Finding volume group %s", vg_name);
if (!(vg = ios->vg_read(ios, vg_name))) {
log_error("Volume group %s doesn't exist", vg_name);
return ECMD_FAILED;
}
if (!(vg->status & ACTIVE)) {
log_error("Volume group %s must be active before removing a "
"logical volume", vg_name);
return ECMD_FAILED;
}
if (!(lvh = find_lv_in_vg(vg, lv_name))) {
log_error("Can't find logical volume %s in volume group %s",
lv_name, vg_name);
return ECMD_FAILED;
}
lv = &list_entry(lvh, struct lv_list, list)->lv;
if (lv->status & SNAPSHOT_ORG) {
log_error("Can't remove logical volume %s under snapshot",
lv_name);
return ECMD_FAILED;
}
/********** FIXME Ensure logical volume is not open on *any* machine
if (lv->open) {
log_error("can't remove open %s logical volume %s",
lv->status & SNAPSHOT ? "snapshot" : "",
lv_name);
return ECMD_FAILED;
}
************/
if (!arg_count(force_ARG)) {
if (yes_no_prompt
("Do you really want to remove %s? [y/n]: ",
lv_name) == 'n') {
log_print("Logical volume %s not removed", lv_name);
return 0;
}
}
log_verbose("Releasing logical volume %s", lv_name);
if (lv_remove(vg, lvh)) {
log_error("Error releasing logical volume %s", lv_name);
return ECMD_FAILED;
}
/********* FIXME
log_verbose("Unlinking special file %s", lv_name);
if (!lvm_check_devfs() && unlink(lv_name) == -1)
log_error("Error unlinking special file %s", lv_name);
**********/
/* store it on disks */
if (ios->vg_write(ios, vg))
return ECMD_FAILED;
/******** FIXME
if ((ret = do_autobackup(vg_name, vg)))
return ret;
**********/
log_print("logical volume %s successfully removed", lv_name);
return 0;
}