int vgcreate(struct cmd_context *cmd, int argc, char **argv)
{
	struct vgcreate_params vp_new;
	struct vgcreate_params vp_def;
	struct volume_group *vg;
	const char *tag;
	const char *clustered_message = "";
	char *vg_name;
	struct pvcreate_params pp;

	if (!argc) {
		log_error("Please provide volume group name and "
			  "physical volumes");
		return EINVALID_CMD_LINE;
	}

	vg_name = argv[0];
	argc--;
	argv++;

	pvcreate_params_set_defaults(&pp);
	if (!pvcreate_params_validate(cmd, argc, argv, &pp)) {
		return EINVALID_CMD_LINE;
	}

	vgcreate_params_set_defaults(&vp_def, NULL);
	vp_def.vg_name = vg_name;
	if (vgcreate_params_set_from_args(cmd, &vp_new, &vp_def))
		return EINVALID_CMD_LINE;

	if (vgcreate_params_validate(cmd, &vp_new))
	    return EINVALID_CMD_LINE;

	/* Create the new VG */
	vg = vg_create(cmd, vp_new.vg_name);
	if (vg_read_error(vg)) {
		if (vg_read_error(vg) == FAILED_EXIST)
			log_error("A volume group called %s already exists.", vp_new.vg_name);
		else
			log_error("Can't get lock for %s.", vp_new.vg_name);
		vg_release(vg);
		return ECMD_FAILED;
	}

	if (!vg_set_extent_size(vg, vp_new.extent_size) ||
	    !vg_set_max_lv(vg, vp_new.max_lv) ||
	    !vg_set_max_pv(vg, vp_new.max_pv) ||
	    !vg_set_alloc_policy(vg, vp_new.alloc) ||
	    !vg_set_clustered(vg, vp_new.clustered) ||
	    !vg_set_mda_copies(vg, vp_new.vgmetadatacopies))
		goto bad_orphan;

	if (!lock_vol(cmd, VG_ORPHANS, LCK_VG_WRITE)) {
		log_error("Can't get lock for orphan PVs");
		goto bad_orphan;
	}

	/* attach the pv's */
	if (!vg_extend(vg, argc, argv, &pp))
		goto_bad;

	if (vp_new.max_lv != vg->max_lv)
		log_warn("WARNING: Setting maxlogicalvolumes to %d "
			 "(0 means unlimited)", vg->max_lv);

	if (vp_new.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");
			goto bad;
		}

		if (!vg_change_tag(vg, tag, 1))
			goto_bad;
	}

	if (vg_is_clustered(vg)) {
		clustered_message = "Clustered ";
	} else {
		if (locking_is_clustered())
			clustered_message = "Non-clustered ";
	}

	if (!archive(vg))
		goto_bad;

	/* Store VG on disk(s) */
	if (!vg_write(vg) || !vg_commit(vg))
		goto_bad;

	unlock_vg(cmd, VG_ORPHANS);
	unlock_vg(cmd, vp_new.vg_name);

	backup(vg);

	log_print("%s%colume group \"%s\" successfully created",
		  clustered_message, *clustered_message ? 'v' : 'V', vg->name);

	vg_release(vg);
	return ECMD_PROCESSED;

bad:
	unlock_vg(cmd, VG_ORPHANS);
bad_orphan:
	vg_release(vg);
	unlock_vg(cmd, vp_new.vg_name);
	return ECMD_FAILED;
}
Example #2
0
int vgextend(struct cmd_context *cmd, int argc, char **argv)
{
	const char *vg_name;
	struct volume_group *vg = NULL;
	int r = ECMD_FAILED;
	struct pvcreate_params pp;
	int fixed = 0, i = 0;

	if (!argc) {
		log_error("Please enter volume group name and "
			  "physical volume(s)");
		return EINVALID_CMD_LINE;
	}

	vg_name = skip_dev_dir(cmd, argv[0], NULL);
	argc--;
	argv++;

	if (arg_count(cmd, metadatacopies_ARG)) {
		log_error("Invalid option --metadatacopies, "
			  "use --pvmetadatacopies instead.");
		return EINVALID_CMD_LINE;
	}
	pvcreate_params_set_defaults(&pp);
	if (!pvcreate_params_validate(cmd, argc, argv, &pp)) {
		return EINVALID_CMD_LINE;
	}

	/*
	 * It is always ok to add new PVs to a VG - even if there are
	 * missing PVs.  No LVs are affected by this operation, but
	 * repair processes - particularly for RAID segtypes - can
	 * be facilitated.
	 */
	cmd->handles_missing_pvs = 1;

	log_verbose("Checking for volume group \"%s\"", vg_name);
	vg = vg_read_for_update(cmd, vg_name, NULL, 0);
	if (vg_read_error(vg)) {
		release_vg(vg);
		return_ECMD_FAILED;
	}

	if (!archive(vg))
		goto_bad;

	if (arg_count(cmd, restoremissing_ARG)) {
		for (i = 0; i < argc; ++i) {
			if (_restore_pv(vg, argv[i]))
				++ fixed;
		}
		if (!fixed) {
			log_error("No PV has been restored.");
			goto bad;
		}
	} else { /* no --restore, normal vgextend */
		if (!lock_vol(cmd, VG_ORPHANS, LCK_VG_WRITE, NULL)) {
			log_error("Can't get lock for orphan PVs");
			unlock_and_release_vg(cmd, vg, vg_name);
			return ECMD_FAILED;
		}

		if (arg_count(cmd, metadataignore_ARG) &&
		    (vg_mda_copies(vg) != VGMETADATACOPIES_UNMANAGED) &&
		    (pp.force == PROMPT) &&
		    yes_no_prompt("Override preferred number of copies "
			  "of VG %s metadata? [y/n]: ",
				  vg_name) == 'n') {
			log_error("Volume group %s not changed", vg_name);
			goto bad;
		}

		/* extend vg */
		if (!vg_extend(vg, argc, (const char* const*)argv, &pp))
			goto_bad;

		if (arg_count(cmd, metadataignore_ARG) &&
		    (vg_mda_copies(vg) != VGMETADATACOPIES_UNMANAGED) &&
		    (vg_mda_copies(vg) != vg_mda_used_count(vg))) {
			log_warn("WARNING: Changing preferred number of copies of VG %s "
			 "metadata from %"PRIu32" to %"PRIu32, vg_name,
				 vg_mda_copies(vg), vg_mda_used_count(vg));
			vg_set_mda_copies(vg, vg_mda_used_count(vg));
		}

		/* ret > 0 */
		log_verbose("Volume group \"%s\" will be extended by %d new "
			    "physical volumes", vg_name, argc);
	}

	/* store vg on disk(s) */
	if (!vg_write(vg) || !vg_commit(vg))
		goto_bad;

	backup(vg);
	log_print_unless_silent("Volume group \"%s\" successfully extended", vg_name);
	r = ECMD_PROCESSED;

bad:
	if (!arg_count(cmd, restoremissing_ARG))
		unlock_vg(cmd, VG_ORPHANS);
	unlock_and_release_vg(cmd, vg, vg_name);
	return r;
}
Example #3
0
int vgextend(struct cmd_context *cmd, int argc, char **argv)
{
	char *vg_name;
	struct volume_group *vg = NULL;
	int r = ECMD_FAILED;
	struct pvcreate_params pp;

	if (!argc) {
		log_error("Please enter volume group name and "
			  "physical volume(s)");
		return EINVALID_CMD_LINE;
	}

	vg_name = skip_dev_dir(cmd, argv[0], NULL);
	argc--;
	argv++;

	if (arg_count(cmd, metadatacopies_ARG)) {
		log_error("Invalid option --metadatacopies, "
			  "use --pvmetadatacopies instead.");
		return EINVALID_CMD_LINE;
	}
	pvcreate_params_set_defaults(&pp);
	if (!pvcreate_params_validate(cmd, argc, argv, &pp)) {
		return EINVALID_CMD_LINE;
	}

	log_verbose("Checking for volume group \"%s\"", vg_name);
	vg = vg_read_for_update(cmd, vg_name, NULL, 0);
	if (vg_read_error(vg)) {
		vg_release(vg);
		stack;
		return ECMD_FAILED;
	}

	if (!lock_vol(cmd, VG_ORPHANS, LCK_VG_WRITE)) {
		log_error("Can't get lock for orphan PVs");
		unlock_and_release_vg(cmd, vg, vg_name);
		return ECMD_FAILED;
	}

	if (!archive(vg))
		goto_bad;

	/* extend vg */
	if (!vg_extend(vg, argc, argv, &pp))
		goto_bad;

	/* ret > 0 */
	log_verbose("Volume group \"%s\" will be extended by %d new "
		    "physical volumes", vg_name, argc);

	/* store vg on disk(s) */
	if (!vg_write(vg) || !vg_commit(vg))
		goto_bad;

	backup(vg);
	log_print("Volume group \"%s\" successfully extended", vg_name);
	r = ECMD_PROCESSED;

bad:
	unlock_vg(cmd, VG_ORPHANS);
	unlock_and_release_vg(cmd, vg, vg_name);
	return r;
}