int pvresize(struct cmd_context *cmd, int argc, char **argv)
{
struct pvresize_params params;
int ret;
if (!argc) {
log_error("Please supply physical volume(s)");
return EINVALID_CMD_LINE;
}
if (arg_sign_value(cmd, physicalvolumesize_ARG, 0) == SIGN_MINUS) {
log_error("Physical volume size may not be negative");
return 0;
}
params.new_size = arg_uint64_value(cmd, physicalvolumesize_ARG,
UINT64_C(0));
params.done = 0;
params.total = 0;
ret = process_each_pv(cmd, argc, argv, NULL, READ_FOR_UPDATE, 0, ¶ms,
_pvresize_single);
log_print("%d physical volume(s) resized / %d physical volume(s) "
"not resized", params.done, params.total - params.done);
return ret;
}
static int _read_size_params(struct lvcreate_params *lp,
struct lvcreate_cmdline_params *lcp,
struct cmd_context *cmd)
{
if (arg_count(cmd, extents_ARG) + arg_count(cmd, size_ARG) != 1) {
log_error("Please specify either size or extents (not both)");
return 0;
}
if (arg_count(cmd, extents_ARG)) {
if (arg_sign_value(cmd, extents_ARG, 0) == SIGN_MINUS) {
log_error("Negative number of extents is invalid");
return 0;
}
lp->extents = arg_uint_value(cmd, extents_ARG, 0);
lcp->percent = arg_percent_value(cmd, extents_ARG, PERCENT_NONE);
}
/* Size returned in kilobyte units; held in sectors */
if (arg_count(cmd, size_ARG)) {
if (arg_sign_value(cmd, size_ARG, 0) == SIGN_MINUS) {
log_error("Negative size is invalid");
return 0;
}
lcp->size = arg_uint64_value(cmd, size_ARG, UINT64_C(0));
lcp->percent = PERCENT_NONE;
}
/* Size returned in kilobyte units; held in sectors */
if (arg_count(cmd, virtualsize_ARG)) {
if (arg_sign_value(cmd, virtualsize_ARG, 0) == SIGN_MINUS) {
log_error("Negative virtual origin size is invalid");
return 0;
}
lp->voriginsize = arg_uint64_value(cmd, virtualsize_ARG,
UINT64_C(0));
if (!lp->voriginsize) {
log_error("Virtual origin size may not be zero");
return 0;
}
}
return 1;
}
int pvresize(struct cmd_context *cmd, int argc, char **argv)
{
struct pvresize_params params;
struct processing_handle *handle = NULL;
int ret;
if (!argc) {
log_error("Please supply physical volume(s)");
ret = EINVALID_CMD_LINE;
goto out;
}
if (arg_sign_value(cmd, setphysicalvolumesize_ARG, SIGN_NONE) == SIGN_MINUS) {
log_error("Physical volume size may not be negative");
ret = EINVALID_CMD_LINE;
goto out;
}
params.new_size = arg_uint64_value(cmd, setphysicalvolumesize_ARG,
UINT64_C(0));
params.done = 0;
params.total = 0;
set_pv_notify(cmd);
if (!(handle = init_processing_handle(cmd, NULL))) {
log_error("Failed to initialize processing handle.");
ret = ECMD_FAILED;
goto out;
}
handle->custom_handle = ¶ms;
ret = process_each_pv(cmd, argc, argv, NULL, 0, READ_FOR_UPDATE | READ_ALLOW_EXPORTED, handle, _pvresize_single);
log_print_unless_silent("%d physical volume(s) resized or updated / %d physical volume(s) "
"not resized", params.done, params.total - params.done);
out:
destroy_processing_handle(cmd, handle);
return ret;
}
/*
* Intial sanity checking of recovery-related command-line arguments.
* These args are: --restorefile, --uuid, and --physicalvolumesize
*
* Output arguments:
* pp: structure allocated by caller, fields written / validated here
*/
static int _pvcreate_restore_params_from_args(struct cmd_context *cmd, int argc,
struct pvcreate_params *pp)
{
pp->restorefile = arg_str_value(cmd, restorefile_ARG, NULL);
if (arg_is_set(cmd, restorefile_ARG) && !arg_is_set(cmd, uuidstr_ARG)) {
log_error("--uuid is required with --restorefile");
return 0;
}
if (!arg_is_set(cmd, restorefile_ARG) && arg_is_set(cmd, uuidstr_ARG)) {
if (!arg_is_set(cmd, norestorefile_ARG) &&
find_config_tree_bool(cmd, devices_require_restorefile_with_uuid_CFG, NULL)) {
log_error("--restorefile is required with --uuid");
return 0;
}
}
if (arg_is_set(cmd, uuidstr_ARG) && argc != 1) {
log_error("Can only set uuid on one volume at once");
return 0;
}
if (arg_is_set(cmd, uuidstr_ARG)) {
pp->uuid_str = arg_str_value(cmd, uuidstr_ARG, "");
if (!id_read_format(&pp->pva.id, pp->uuid_str))
return 0;
pp->pva.idp = &pp->pva.id;
}
if (arg_sign_value(cmd, setphysicalvolumesize_ARG, SIGN_NONE) == SIGN_MINUS) {
log_error("Physical volume size may not be negative");
return 0;
}
pp->pva.size = arg_uint64_value(cmd, setphysicalvolumesize_ARG, UINT64_C(0));
if (arg_is_set(cmd, restorefile_ARG) || arg_is_set(cmd, uuidstr_ARG))
pp->zero = 0;
return 1;
}
/*
* Intial sanity checking of recovery-related command-line arguments.
* These args are: --restorefile, --uuid, and --physicalvolumesize
*
* Output arguments:
* pp: structure allocated by caller, fields written / validated here
*/
static int pvcreate_restore_params_validate(struct cmd_context *cmd,
int argc, char **argv,
struct pvcreate_params *pp)
{
const char *uuid = NULL;
struct volume_group *vg;
struct pv_list *existing_pvl;
if (arg_count(cmd, restorefile_ARG) && !arg_count(cmd, uuidstr_ARG)) {
log_error("--uuid is required with --restorefile");
return 0;
}
if (!arg_count(cmd, restorefile_ARG) && arg_count(cmd, uuidstr_ARG)) {
if (!arg_count(cmd, norestorefile_ARG) &&
find_config_tree_bool(cmd, devices_require_restorefile_with_uuid_CFG, NULL)) {
log_error("--restorefile is required with --uuid");
return 0;
}
}
if (arg_count(cmd, uuidstr_ARG) && argc != 1) {
log_error("Can only set uuid on one volume at once");
return 0;
}
if (arg_count(cmd, uuidstr_ARG)) {
uuid = arg_str_value(cmd, uuidstr_ARG, "");
if (!id_read_format(&pp->rp.id, uuid))
return 0;
pp->rp.idp = &pp->rp.id;
lvmcache_seed_infos_from_lvmetad(cmd); /* need to check for UUID dups */
}
if (arg_count(cmd, restorefile_ARG)) {
pp->rp.restorefile = arg_str_value(cmd, restorefile_ARG, "");
/* The uuid won't already exist */
if (!(vg = backup_read_vg(cmd, NULL, pp->rp.restorefile))) {
log_error("Unable to read volume group from %s",
pp->rp.restorefile);
return 0;
}
if (!(existing_pvl = find_pv_in_vg_by_uuid(vg, pp->rp.idp))) {
release_vg(vg);
log_error("Can't find uuid %s in backup file %s",
uuid, pp->rp.restorefile);
return 0;
}
pp->rp.ba_start = pv_ba_start(existing_pvl->pv);
pp->rp.ba_size = pv_ba_size(existing_pvl->pv);
pp->rp.pe_start = pv_pe_start(existing_pvl->pv);
pp->rp.extent_size = pv_pe_size(existing_pvl->pv);
pp->rp.extent_count = pv_pe_count(existing_pvl->pv);
release_vg(vg);
}
if (arg_sign_value(cmd, physicalvolumesize_ARG, SIGN_NONE) == SIGN_MINUS) {
log_error("Physical volume size may not be negative");
return 0;
}
pp->size = arg_uint64_value(cmd, physicalvolumesize_ARG, UINT64_C(0));
if (arg_count(cmd, restorefile_ARG) || arg_count(cmd, uuidstr_ARG))
pp->zero = 0;
return 1;
}
static int _read_size_params(struct lvcreate_params *lp,
struct lvcreate_cmdline_params *lcp,
struct cmd_context *cmd)
{
if (arg_count(cmd, extents_ARG) && arg_count(cmd, size_ARG)) {
log_error("Please specify either size or extents (not both)");
return 0;
}
if (!lp->thin && !lp->snapshot && !arg_count(cmd, extents_ARG) && !arg_count(cmd, size_ARG)) {
log_error("Please specify either size or extents");
return 0;
}
if (arg_count(cmd, extents_ARG)) {
if (arg_sign_value(cmd, extents_ARG, SIGN_NONE) == SIGN_MINUS) {
log_error("Negative number of extents is invalid");
return 0;
}
lp->extents = arg_uint_value(cmd, extents_ARG, 0);
lcp->percent = arg_percent_value(cmd, extents_ARG, PERCENT_NONE);
}
/* Size returned in kilobyte units; held in sectors */
if (arg_count(cmd, size_ARG)) {
if (arg_sign_value(cmd, size_ARG, SIGN_NONE) == SIGN_MINUS) {
log_error("Negative size is invalid");
return 0;
}
lcp->size = arg_uint64_value(cmd, size_ARG, UINT64_C(0));
lcp->percent = PERCENT_NONE;
}
/* If size/extents given with thin, then we are creating a thin pool */
if (seg_is_thin(lp) && (arg_count(cmd, size_ARG) || arg_count(cmd, extents_ARG)))
lp->create_pool = 1;
if (!lp->create_pool && arg_count(cmd, poolmetadatasize_ARG)) {
log_error("--poolmetadatasize may only be specified when allocating the pool.");
return 0;
}
if (arg_count(cmd, virtualsize_ARG)) {
if (seg_is_thin_pool(lp)) {
log_error("Virtual size in incompatible with thin_pool segment type.");
return 0;
}
if (arg_sign_value(cmd, virtualsize_ARG, SIGN_NONE) == SIGN_MINUS) {
log_error("Negative virtual origin size is invalid");
return 0;
}
/* Size returned in kilobyte units; held in sectors */
lp->voriginsize = arg_uint64_value(cmd, virtualsize_ARG,
UINT64_C(0));
if (!lp->voriginsize) {
log_error("Virtual origin size may not be zero");
return 0;
}
} else {
/* No virtual size given and no snapshot, so no thin LV to create. */
if (seg_is_thin_volume(lp) && !lp->snapshot &&
!(lp->segtype = get_segtype_from_string(cmd, "thin-pool")))
return_0;
lp->thin = 0;
}
return 1;
}
static int pvcreate_single(struct cmd_context *cmd, const char *pv_name,
void *handle)
{
struct pvcreate_params *pp = (struct pvcreate_params *) handle;
void *pv;
void *existing_pv;
struct id id, *idp = NULL;
const char *uuid = NULL;
uint64_t size = 0;
struct device *dev;
struct list mdas;
int pvmetadatacopies;
uint64_t pvmetadatasize;
struct volume_group *vg;
const char *restorefile;
uint64_t pe_start = 0;
uint32_t extent_count = 0, extent_size = 0;
if (arg_count(cmd, uuidstr_ARG)) {
uuid = arg_str_value(cmd, uuidstr_ARG, "");
if (!id_read_format(&id, uuid))
return EINVALID_CMD_LINE;
if ((dev = device_from_pvid(cmd, &id)) &&
(dev != dev_cache_get(pv_name, cmd->filter))) {
log_error("uuid %s already in use on \"%s\"", uuid,
dev_name(dev));
return ECMD_FAILED;
}
idp = &id;
}
if (arg_count(cmd, restorefile_ARG)) {
restorefile = arg_str_value(cmd, restorefile_ARG, "");
/* The uuid won't already exist */
init_partial(1);
if (!(vg = backup_read_vg(cmd, NULL, restorefile))) {
log_error("Unable to read volume group from %s",
restorefile);
return ECMD_FAILED;
}
init_partial(0);
if (!(existing_pv = find_pv_in_vg_by_uuid(vg, idp))) {
log_error("Can't find uuid %s in backup file %s",
uuid, restorefile);
return ECMD_FAILED;
}
pe_start = pv_pe_start(existing_pv);
extent_size = pv_pe_size(existing_pv);
extent_count = pv_pe_count(existing_pv);
}
if (!lock_vol(cmd, ORPHAN, LCK_VG_WRITE)) {
log_error("Can't get lock for orphan PVs");
return ECMD_FAILED;
}
if (!pvcreate_check(cmd, pv_name))
goto error;
if (sigint_caught())
goto error;
if (arg_sign_value(cmd, physicalvolumesize_ARG, 0) == SIGN_MINUS) {
log_error("Physical volume size may not be negative");
goto error;
}
size = arg_uint64_value(cmd, physicalvolumesize_ARG, UINT64_C(0)) * 2;
if (arg_sign_value(cmd, metadatasize_ARG, 0) == SIGN_MINUS) {
log_error("Metadata size may not be negative");
goto error;
}
pvmetadatasize = arg_uint64_value(cmd, metadatasize_ARG, UINT64_C(0))
* 2;
if (!pvmetadatasize)
pvmetadatasize = find_config_tree_int(cmd,
"metadata/pvmetadatasize",
DEFAULT_PVMETADATASIZE);
pvmetadatacopies = arg_int_value(cmd, metadatacopies_ARG, -1);
if (pvmetadatacopies < 0)
pvmetadatacopies = find_config_tree_int(cmd,
"metadata/pvmetadatacopies",
DEFAULT_PVMETADATACOPIES);
if (!(dev = dev_cache_get(pv_name, cmd->filter))) {
log_error("%s: Couldn't find device. Check your filters?",
pv_name);
goto error;
}
list_init(&mdas);
if (!(pv = pv_create(cmd->fmt, dev, idp, size, pe_start,
extent_count, extent_size,
pvmetadatacopies, pvmetadatasize, &mdas))) {
log_error("Failed to setup physical volume \"%s\"", pv_name);
goto error;
}
log_verbose("Set up physical volume for \"%s\" with %" PRIu64
" available sectors", pv_name, pv_size(pv));
/* Wipe existing label first */
if (!label_remove(pv_dev(pv))) {
log_error("Failed to wipe existing label on %s", pv_name);
goto error;
}
if (pp->zero) {
log_verbose("Zeroing start of device %s", pv_name);
if (!dev_open_quiet(dev)) {
log_error("%s not opened: device not zeroed", pv_name);
goto error;
}
if (!dev_set(dev, UINT64_C(0), (size_t) 2048, 0)) {
log_error("%s not wiped: aborting", pv_name);
dev_close(dev);
goto error;
}
dev_close(dev);
}
log_very_verbose("Writing physical volume data to disk \"%s\"",
pv_name);
if (!(pv_write(cmd, (struct physical_volume *)pv, &mdas,
arg_int64_value(cmd, labelsector_ARG,
DEFAULT_LABELSECTOR)))) {
log_error("Failed to write physical volume \"%s\"", pv_name);
goto error;
}
log_print("Physical volume \"%s\" successfully created", pv_name);
unlock_vg(cmd, ORPHAN);
return ECMD_PROCESSED;
error:
unlock_vg(cmd, ORPHAN);
return ECMD_FAILED;
}
int vgcreate(struct cmd_context *cmd, int argc, char **argv)
{
size_t max_lv, max_pv;
uint32_t extent_size;
char *vg_name;
struct volume_group *vg;
const char *tag;
alloc_policy_t alloc;
int clustered;
if (!argc) {
log_error("Please provide volume group name and "
"physical volumes");
return EINVALID_CMD_LINE;
}
if (argc == 1) {
log_error("Please enter physical volume name(s)");
return EINVALID_CMD_LINE;
}
vg_name = skip_dev_dir(cmd, argv[0], NULL);
max_lv = arg_uint_value(cmd, maxlogicalvolumes_ARG, 0);
max_pv = arg_uint_value(cmd, maxphysicalvolumes_ARG, 0);
alloc = arg_uint_value(cmd, alloc_ARG, ALLOC_NORMAL);
if (alloc == ALLOC_INHERIT) {
log_error("Volume Group allocation policy cannot inherit "
"from anything");
return EINVALID_CMD_LINE;
}
if (!(cmd->fmt->features & FMT_UNLIMITED_VOLS)) {
if (!max_lv)
max_lv = 255;
if (!max_pv)
max_pv = 255;
if (max_lv > 255 || max_pv > 255) {
log_error("Number of volumes may not exceed 255");
return EINVALID_CMD_LINE;
}
}
if (arg_sign_value(cmd, physicalextentsize_ARG, 0) == SIGN_MINUS) {
log_error("Physical extent size may not be negative");
return EINVALID_CMD_LINE;
}
if (arg_sign_value(cmd, maxlogicalvolumes_ARG, 0) == SIGN_MINUS) {
log_error("Max Logical Volumes may not be negative");
return EINVALID_CMD_LINE;
}
if (arg_sign_value(cmd, maxphysicalvolumes_ARG, 0) == SIGN_MINUS) {
log_error("Max Physical Volumes may not be negative");
return EINVALID_CMD_LINE;
}
/* Units of 512-byte sectors */
extent_size =
arg_uint_value(cmd, physicalextentsize_ARG, DEFAULT_EXTENT) * 2;
if (!extent_size) {
log_error("Physical extent size may not be zero");
return EINVALID_CMD_LINE;
}
if (!validate_vg_name(cmd, vg_name)) {
log_error("New volume group name \"%s\" is invalid", vg_name);
return ECMD_FAILED;
}
/* Create the new VG */
if (!(vg = vg_create(cmd, vg_name, extent_size, max_pv, max_lv, alloc,
argc - 1, argv + 1)))
return ECMD_FAILED;
if (max_lv != vg->max_lv)
log_warn("WARNING: Setting maxlogicalvolumes to %d "
"(0 means unlimited)", vg->max_lv);
if (max_pv != vg->max_pv)
log_warn("WARNING: Setting maxphysicalvolumes to %d "
"(0 means unlimited)", vg->max_pv);
if (arg_count(cmd, addtag_ARG)) {
if (!(tag = arg_str_value(cmd, addtag_ARG, NULL))) {
log_error("Failed to get tag");
return ECMD_FAILED;
}
if (!(vg->fid->fmt->features & FMT_TAGS)) {
log_error("Volume group format does not support tags");
return ECMD_FAILED;
}
if (!str_list_add(cmd->mem, &vg->tags, tag)) {
log_error("Failed to add tag %s to volume group %s",
tag, vg_name);
return ECMD_FAILED;
}
}
if (arg_count(cmd, clustered_ARG))
clustered = !strcmp(arg_str_value(cmd, clustered_ARG, "n"), "y");
else
/* Default depends on current locking type */
clustered = locking_is_clustered();
if (clustered)
vg->status |= CLUSTERED;
else
vg->status &= ~CLUSTERED;
if (!lock_vol(cmd, ORPHAN, LCK_VG_WRITE)) {
log_error("Can't get lock for orphan PVs");
return ECMD_FAILED;
}
if (!lock_vol(cmd, vg_name, LCK_VG_WRITE | LCK_NONBLOCK)) {
log_error("Can't get lock for %s", vg_name);
unlock_vg(cmd, ORPHAN);
return ECMD_FAILED;
}
if (!archive(vg)) {
unlock_vg(cmd, vg_name);
unlock_vg(cmd, ORPHAN);
return ECMD_FAILED;
}
/* Store VG on disk(s) */
if (!vg_write(vg) || !vg_commit(vg)) {
unlock_vg(cmd, vg_name);
unlock_vg(cmd, ORPHAN);
return ECMD_FAILED;
}
unlock_vg(cmd, vg_name);
unlock_vg(cmd, ORPHAN);
backup(vg);
log_print("Volume group \"%s\" successfully created", vg->name);
return ECMD_PROCESSED;
}