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sourceware.org Git - lvm2.git/blob - tools/pvremove.c
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2 * Copyright (C) 2002-2004 Sistina Software, Inc. All rights reserved.
3 * Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
5 * This file is part of LVM2.
7 * This copyrighted material is made available to anyone wishing to use,
8 * modify, copy, or redistribute it subject to the terms and conditions
9 * of the GNU Lesser General Public License v.2.1.
11 * You should have received a copy of the GNU Lesser General Public License
12 * along with this program; if not, write to the Free Software Foundation,
13 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 const char _really_wipe
[] =
19 "Really WIPE LABELS from physical volume \"%s\" of volume group \"%s\" [y/n]? ";
22 * Decide whether it is "safe" to wipe the labels on this device.
23 * 0 indicates we may not.
25 static int pvremove_check(struct cmd_context
*cmd
, const char *name
)
27 struct physical_volume
*pv
;
29 /* FIXME Check partition type is LVM unless --force is given */
31 /* Is there a pv here already? */
32 /* If not, this is an error unless you used -f. */
33 if (!(pv
= pv_read(cmd
, name
, 1, 0))) {
34 if (arg_count(cmd
, force_ARG
))
36 log_error("Physical Volume %s not found", name
);
41 * If a PV has no MDAs it may appear to be an
42 * orphan until the metadata is read off
43 * another PV in the same VG. Detecting this
44 * means checking every VG by scanning every
47 if (is_orphan(pv
) && !dm_list_size(&pv
->fid
->metadata_areas_in_use
) &&
48 !dm_list_size(&pv
->fid
->metadata_areas_ignored
)) {
49 if (!scan_vgs_for_pvs(cmd
, 0)) {
50 log_error("Rescan for PVs without metadata areas "
55 if (!(pv
= pv_read(cmd
, name
, 1, 0))) {
56 log_error("Failed to read physical volume %s", name
);
67 /* Allow partial & exported VGs to be destroyed. */
68 /* we must have -ff to overwrite a non orphan */
69 if (arg_count(cmd
, force_ARG
) < 2) {
70 log_error("PV %s belongs to Volume Group %s so please use vgreduce first.", name
, pv_vg_name(pv
));
71 log_error("(If you are certain you need pvremove, then confirm by using --force twice.)");
76 if (!arg_count(cmd
, yes_ARG
) &&
77 yes_no_prompt(_really_wipe
, name
, pv_vg_name(pv
)) == 'n') {
78 log_error("%s: physical volume label not removed", name
);
82 if (arg_count(cmd
, force_ARG
)) {
83 log_warn("WARNING: Wiping physical volume label from "
85 !is_orphan(pv
) ? " of volume group \"" : "",
86 !is_orphan(pv
) ? pv_vg_name(pv
) : "",
87 !is_orphan(pv
) ? "\"" : "");
98 static int pvremove_single(struct cmd_context
*cmd
, const char *pv_name
,
99 void *handle
__attribute__((unused
)))
102 int ret
= ECMD_FAILED
;
104 if (!lock_vol(cmd
, VG_ORPHANS
, LCK_VG_WRITE
)) {
105 log_error("Can't get lock for orphan PVs");
109 if (!pvremove_check(cmd
, pv_name
))
112 if (!(dev
= dev_cache_get(pv_name
, cmd
->filter
))) {
113 log_error("%s: Couldn't find device. Check your filters?",
118 if (!dev_test_excl(dev
)) {
119 /* FIXME Detect whether device-mapper is still using the device */
120 log_error("Can't open %s exclusively - not removing. "
121 "Mounted filesystem?", dev_name(dev
));
125 /* Wipe existing label(s) */
126 if (!label_remove(dev
)) {
127 log_error("Failed to wipe existing label(s) on %s", pv_name
);
131 /* FIXME Avoid error if we expect that daemon might not know device */
132 if (!lvmetad_pv_gone(dev
))
135 log_print("Labels on physical volume \"%s\" successfully wiped",
138 ret
= ECMD_PROCESSED
;
141 unlock_vg(cmd
, VG_ORPHANS
);
146 int pvremove(struct cmd_context
*cmd
, int argc
, char **argv
)
149 int ret
= ECMD_PROCESSED
;
152 log_error("Please enter a physical volume path");
153 return EINVALID_CMD_LINE
;
156 for (i
= 0; i
< argc
; i
++) {
157 dm_unescape_colons_and_at_signs(argv
[i
], NULL
, NULL
);
158 r
= pvremove_single(cmd
, argv
[i
], NULL
);
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