/*
* 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;
/* is the partition type set correctly ? */
if ((arg_count(cmd, force_ARG) < 1) && !is_lvm_partition(name)) {
log_error("%s: Not LVM partition type: use -f to override",
name);
return 0;
}
/* Is there a pv here already? */
/* If not, this is an error unless you used -f. */
if (!(pv = pv_read(cmd, name, NULL, NULL, 1))) {
if (arg_count(cmd, force_ARG))
return 1;
log_error("Physical Volume %s not found", 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_print("%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;
}
static int _pvresize_single(struct cmd_context *cmd,
struct volume_group *vg,
struct physical_volume *pv,
struct processing_handle *handle)
{
struct pvresize_params *params = (struct pvresize_params *) handle->custom_handle;
if (!params) {
log_error(INTERNAL_ERROR "Invalid resize params.");
return ECMD_FAILED;
}
params->total++;
if (vg && vg_is_exported(vg)) {
log_error("Volume group %s is exported", vg->name);
return ECMD_FAILED;
}
/*
* Needed to change a property on an orphan PV.
* i.e. the global lock is only needed for orphans.
* Convert sh to ex.
*/
if (is_orphan(pv)) {
if (!lockd_gl(cmd, "ex", 0))
return_ECMD_FAILED;
cmd->lockd_gl_disable = 1;
}
if (!pv_resize_single(cmd, vg, pv, params->new_size, arg_is_set(cmd, yes_ARG)))
return_ECMD_FAILED;
params->done++;
return ECMD_PROCESSED;
}
/*
* 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;
}
/*
* See if we may pvcreate on this device.
* 0 indicates we may not.
*/
static int pvcreate_check(struct cmd_context *cmd, const char *name)
{
struct physical_volume *pv;
struct device *dev;
uint64_t md_superblock;
/* is the partition type set correctly ? */
if ((arg_count(cmd, force_ARG) < 1) && !is_lvm_partition(name)) {
log_error("%s: Not LVM partition type: use -f to override",
name);
return 0;
}
/* Is there a pv here already? */
/* FIXME Use partial mode here? */
pv = pv_read(cmd, name, NULL, NULL, 0);
/* Allow partial & exported VGs to be destroyed. */
/* We must have -ff to overwrite a non orphan */
if (pv && !is_orphan(pv) && arg_count(cmd, force_ARG) != 2) {
log_error("Can't initialize physical volume \"%s\" of "
"volume group \"%s\" without -ff", name, pv_vg_name(pv));
return 0;
}
/* prompt */
if (pv && !is_orphan(pv) && !arg_count(cmd, yes_ARG) &&
yes_no_prompt(_really_init, name, pv_vg_name(pv)) == 'n') {
log_print("%s: physical volume not initialized", name);
return 0;
}
if (sigint_caught())
return 0;
dev = dev_cache_get(name, cmd->filter);
/* Is there an md superblock here? */
if (!dev && md_filtering()) {
unlock_vg(cmd, ORPHAN);
persistent_filter_wipe(cmd->filter);
lvmcache_destroy();
init_md_filtering(0);
if (!lock_vol(cmd, ORPHAN, LCK_VG_WRITE)) {
log_error("Can't get lock for orphan PVs");
init_md_filtering(1);
return 0;
}
dev = dev_cache_get(name, cmd->filter);
init_md_filtering(1);
}
if (!dev) {
log_error("Device %s not found (or ignored by filtering).", name);
return 0;
}
if (!dev_test_excl(dev)) {
log_error("Can't open %s exclusively. Mounted filesystem?",
name);
return 0;
}
/* Wipe superblock? */
if (dev_is_md(dev, &md_superblock) &&
((!arg_count(cmd, uuidstr_ARG) &&
!arg_count(cmd, restorefile_ARG)) ||
arg_count(cmd, yes_ARG) ||
(yes_no_prompt("Software RAID md superblock "
"detected on %s. Wipe it? [y/n] ", name) == 'y'))) {
log_print("Wiping software RAID md superblock on %s", name);
if (!dev_set(dev, md_superblock, 4, 0)) {
log_error("Failed to wipe RAID md superblock on %s",
name);
return 0;
}
}
if (sigint_caught())
return 0;
if (pv && !is_orphan(pv) && arg_count(cmd, force_ARG)) {
log_warn("WARNING: Forcing physical volume creation on "
"%s%s%s%s", name,
!is_orphan(pv) ? " of volume group \"" : "",
!is_orphan(pv) ? pv_vg_name(pv) : "",
!is_orphan(pv) ? "\"" : "");
}
return 1;
}