/*
* Decide whether it is "safe" to wipe the labels on this device.
* 0 indicates we may not.
*/
static int pvremove_check(struct cmd_context *cmd, const char *name)
{
struct physical_volume *pv;
struct dm_list mdas;
dm_list_init(&mdas);
/* FIXME Check partition type is LVM unless --force is given */
/* Is there a pv here already? */
/* If not, this is an error unless you used -f. */
if (!(pv = pv_read(cmd, name, &mdas, NULL, 1, 0))) {
if (arg_count(cmd, force_ARG))
return 1;
log_error("Physical Volume %s not found", name);
return 0;
}
/*
* If a PV has no MDAs it may appear to be an
* orphan until the metadata is read off
* another PV in the same VG. Detecting this
* means checking every VG by scanning every
* PV on the system.
*/
if (is_orphan(pv) && !dm_list_size(&mdas)) {
if (!scan_vgs_for_pvs(cmd)) {
log_error("Rescan for PVs without metadata areas "
"failed.");
return 0;
}
if (!(pv = pv_read(cmd, name, NULL, NULL, 1, 0))) {
log_error("Failed to read physical volume %s", name);
return 0;
}
}
/* orphan ? */
if (is_orphan(pv))
return 1;
/* Allow partial & exported VGs to be destroyed. */
/* we must have -ff to overwrite a non orphan */
if (arg_count(cmd, force_ARG) < 2) {
log_error("Can't pvremove physical volume \"%s\" of "
"volume group \"%s\" without -ff", name, pv_vg_name(pv));
return 0;
}
/* prompt */
if (!arg_count(cmd, yes_ARG) &&
yes_no_prompt(_really_wipe, name, pv_vg_name(pv)) == 'n') {
log_error("%s: physical volume label not removed", name);
return 0;
}
if (arg_count(cmd, force_ARG)) {
log_warn("WARNING: Wiping physical volume label from "
"%s%s%s%s", name,
!is_orphan(pv) ? " of volume group \"" : "",
!is_orphan(pv) ? pv_vg_name(pv) : "",
!is_orphan(pv) ? "\"" : "");
}
return 1;
}
/*
* Decide whether it is "safe" to wipe the labels on this device.
* 0 indicates we may not.
*/
static int pvremove_check(struct cmd_context *cmd, const char *name)
{
struct physical_volume *pv;
/* FIXME Check partition type is LVM unless --force is given */
/* Is there a pv here already? */
/* If not, this is an error unless you used -f. */
if (!(pv = pv_read(cmd, name, 1, 0))) {
if (arg_count(cmd, force_ARG))
return 1;
log_error("Physical Volume %s not found", name);
return 0;
}
/*
* If a PV has no MDAs it may appear to be an
* orphan until the metadata is read off
* another PV in the same VG. Detecting this
* means checking every VG by scanning every
* PV on the system.
*/
if (is_orphan(pv) && !dm_list_size(&pv->fid->metadata_areas_in_use) &&
!dm_list_size(&pv->fid->metadata_areas_ignored)) {
if (!scan_vgs_for_pvs(cmd, 0)) {
log_error("Rescan for PVs without metadata areas "
"failed.");
goto bad;
}
free_pv_fid(pv);
if (!(pv = pv_read(cmd, name, 1, 0))) {
log_error("Failed to read physical volume %s", name);
goto bad;
}
}
/* orphan ? */
if (is_orphan(pv)) {
free_pv_fid(pv);
return 1;
}
/* Allow partial & exported VGs to be destroyed. */
/* we must have -ff to overwrite a non orphan */
if (arg_count(cmd, force_ARG) < 2) {
log_error("PV %s belongs to Volume Group %s so please use vgreduce first.", name, pv_vg_name(pv));
log_error("(If you are certain you need pvremove, then confirm by using --force twice.)");
goto bad;
}
/* prompt */
if (!arg_count(cmd, yes_ARG) &&
yes_no_prompt(_really_wipe, name, pv_vg_name(pv)) == 'n') {
log_error("%s: physical volume label not removed", name);
goto bad;
}
if (arg_count(cmd, force_ARG)) {
log_warn("WARNING: Wiping physical volume label from "
"%s%s%s%s", name,
!is_orphan(pv) ? " of volume group \"" : "",
!is_orphan(pv) ? pv_vg_name(pv) : "",
!is_orphan(pv) ? "\"" : "");
}
free_pv_fid(pv);
return 1;
bad:
free_pv_fid(pv);
return 0;
}
