Exemple #1
0
int lvm_lv_activate(lv_t lv)
{
	if (!lv || !lv->vg || vg_read_error(lv->vg) || !lv->vg->cmd)
		return -1;

	/* FIXME: handle pvmove stuff later */
	if (lv->status & LOCKED) {
		log_error("Unable to activate locked LV");
		return -1;
	}

	/* FIXME: handle lvconvert stuff later */
	if (lv->status & CONVERTING) {
		log_error("Unable to activate LV with in-progress lvconvert");
		return -1;
	}

	if (lv_is_origin(lv)) {
		log_verbose("Activating logical volume \"%s\" "
			    "exclusively", lv->name);
		if (!activate_lv_excl(lv->vg->cmd, lv)) {
			log_error("Activate exclusive failed.");
			return -1;
		}
	} else {
		log_verbose("Activating logical volume \"%s\"",
			    lv->name);
		if (!activate_lv(lv->vg->cmd, lv)) {
			log_error("Activate failed.");
			return -1;
		}
	}
	return 0;
}
Exemple #2
0
static int _lvchange_activate(struct cmd_context *cmd, struct logical_volume *lv)
{
	int activate;

	activate = arg_uint_value(cmd, activate_ARG, 0);

	if (lv_is_cow(lv) && !lv_is_virtual_origin(origin_from_cow(lv)))
		lv = origin_from_cow(lv);

	if (activate == CHANGE_AAY) {
		if (!lv_passes_auto_activation_filter(cmd, lv))
			return 1;
		activate = CHANGE_ALY;
	}

	if (activate == CHANGE_ALN) {
		log_verbose("Deactivating logical volume \"%s\" locally",
			    lv->name);
		if (!deactivate_lv_local(cmd, lv))
			return_0;
	} else if (activate == CHANGE_AN) {
		log_verbose("Deactivating logical volume \"%s\"", lv->name);
		if (!deactivate_lv(cmd, lv))
			return_0;
	} else {
		if ((activate == CHANGE_AE) ||
		    lv_is_origin(lv) ||
		    lv_is_thin_type(lv)) {
			log_verbose("Activating logical volume \"%s\" "
				    "exclusively", lv->name);
			if (!activate_lv_excl(cmd, lv))
				return_0;
		} else if (activate == CHANGE_ALY) {
			log_verbose("Activating logical volume \"%s\" locally",
				    lv->name);
			if (!activate_lv_local(cmd, lv))
				return_0;
		} else {
			log_verbose("Activating logical volume \"%s\"",
				    lv->name);
			if (!activate_lv(cmd, lv))
				return_0;
		}

		if (background_polling())
			lv_spawn_background_polling(cmd, lv);
	}

	return 1;
}
Exemple #3
0
static int lvchange_availability(struct cmd_context *cmd,
				 struct logical_volume *lv)
{
	int activate;

	activate = arg_uint_value(cmd, available_ARG, 0);

	if (activate == CHANGE_ALN) {
		log_verbose("Deactivating logical volume \"%s\" locally",
			    lv->name);
		if (!deactivate_lv_local(cmd, lv))
			return_0;
	} else if (activate == CHANGE_AN) {
		log_verbose("Deactivating logical volume \"%s\"", lv->name);
		if (!deactivate_lv(cmd, lv))
			return_0;
	} else {
		if (lv_is_origin(lv) || (activate == CHANGE_AE)) {
			log_verbose("Activating logical volume \"%s\" "
				    "exclusively", lv->name);
			if (!activate_lv_excl(cmd, lv))
				return_0;
		} else if (activate == CHANGE_ALY) {
			log_verbose("Activating logical volume \"%s\" locally",
				    lv->name);
			if (!activate_lv_local(cmd, lv))
				return_0;
		} else {
			log_verbose("Activating logical volume \"%s\"",
				    lv->name);
			if (!activate_lv(cmd, lv))
				return_0;
		}

		if (background_polling())
			lv_spawn_background_polling(cmd, lv);
	}

	return 1;
}
Exemple #4
0
static int lvremove_single(struct cmd_context *cmd, struct logical_volume *lv,
			   void *handle) // __attribute((unused)))
{
	struct volume_group *vg;
	struct lvinfo info;
	struct logical_volume *origin = NULL;

	vg = lv->vg;

	if (!vg_check_status(vg, LVM_WRITE))
		return ECMD_FAILED;

	if (lv_is_origin(lv)) {
		log_error("Can't remove logical volume \"%s\" under snapshot",
			  lv->name);
		return ECMD_FAILED;
	}

	if (lv->status & MIRROR_IMAGE) {
		log_error("Can't remove logical volume %s used by a mirror",
			  lv->name);
		return ECMD_FAILED;
	}

	if (lv->status & MIRROR_LOG) {
		log_error("Can't remove logical volume %s used as mirror log",
			  lv->name);
		return ECMD_FAILED;
	}

	if (lv->status & LOCKED) {
		log_error("Can't remove locked LV %s", lv->name);
		return ECMD_FAILED;
	}

	/* FIXME Ensure not referred to by another existing LVs */

	if (lv_info(cmd, lv, &info, 1)) {
		if (info.open_count) {
			log_error("Can't remove open logical volume \"%s\"",
				  lv->name);
			return ECMD_FAILED;
		}

		if (info.exists && !arg_count(cmd, force_ARG)) {
			if (yes_no_prompt("Do you really want to remove active "
					  "logical volume \"%s\"? [y/n]: ",
					  lv->name) == 'n') {
				log_print("Logical volume \"%s\" not removed",
					  lv->name);
				return ECMD_FAILED;
			}
		}
	}

	if (!archive(vg))
		return ECMD_FAILED;

	/* If the VG is clustered then make sure no-one else is using the LV
	   we are about to remove */
	if (vg_status(vg) & CLUSTERED) {
		if (!activate_lv_excl(cmd, lv)) {
			log_error("Can't get exclusive access to volume \"%s\"",
				  lv->name);
			return ECMD_FAILED;
		}
	}

	/* FIXME Snapshot commit out of sequence if it fails after here? */
	if (!deactivate_lv(cmd, lv)) {
		log_error("Unable to deactivate logical volume \"%s\"",
			  lv->name);
		return ECMD_FAILED;
	}

	if (lv_is_cow(lv)) {
		origin = origin_from_cow(lv);
		log_verbose("Removing snapshot %s", lv->name);
		if (!vg_remove_snapshot(lv)) {
			stack;
			return ECMD_FAILED;
		}
	}

	log_verbose("Releasing logical volume \"%s\"", lv->name);
	if (!lv_remove(lv)) {
		log_error("Error releasing logical volume \"%s\"", lv->name);
		return ECMD_FAILED;
	}

	/* store it on disks */
	if (!vg_write(vg))
		return ECMD_FAILED;

	backup(vg);

	if (!vg_commit(vg))
		return ECMD_FAILED;

	/* If no snapshots left, reload without -real. */
	if (origin && !lv_is_origin(origin)) {
		if (!suspend_lv(cmd, origin))
			log_error("Failed to refresh %s without snapshot.", origin->name);
		else if (!resume_lv(cmd, origin))
			log_error("Failed to resume %s.", origin->name);
	}

	log_print("Logical volume \"%s\" successfully removed", lv->name);
	return ECMD_PROCESSED;
}