vgextend

1 files changed, 86 insertions, 0 deletions

diff --git a/tools/vgextend.c b/tools/vgextend.c
new file mode 100644
index 00000000..3b449bd2
--- /dev/null
+++ b/tools/vgextend.c
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2001  Sistina Software
+ *
+ * LVM is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * LVM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with LVM; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ */
+
+#include "tools.h"
+
+int vgextend(int argc, char **argv)
+{
+	char *vg_name;
+	struct volume_group *vg = NULL;
+
+	if (!argc) {
+		log_error("Please enter volume group name and "
+		          "physical volume(s)");
+		return EINVALID_CMD_LINE;
+	}
+
+	if (argc == 1) {
+		log_error("Please enter physical volume(s)");
+		return EINVALID_CMD_LINE;
+	}
+
+	vg_name = argv[0];
+	argc--;
+	argv++;
+
+	log_verbose("Checking for volume group '%s'", vg_name);
+	if (!(vg = ios->vg_read(ios, vg_name))) {
+		log_error("Volume group '%s' not found.", vg_name);
+		return ECMD_FAILED;
+	}
+
+	if (!(vg->status & ACTIVE)) {
+		log_error("Volume group '%s' is not active.", vg_name);
+		return ECMD_FAILED;
+	}
+
+	if (!(vg->status & EXTENDABLE_VG)) {
+		log_error("Volume group '%s' is not extendable.", vg_name);
+		return ECMD_FAILED;
+	}
+
+/********** FIXME
+	log_print("maximum logical volume size is %s",
+		  (dummy = lvm_show_size(LVM_LV_SIZE_MAX(vg) / 2, LONG)));
+	dbg_free(dummy);
+	dummy = NULL;
+**********/
+
+	/* extend vg */
+	if (!vg_extend(ios, vg, argc, argv))
+		return ECMD_FAILED;
+
+	/* ret > 0 */
+	log_verbose("Volume group '%s' will be extended by %d new "
+		    "physical volumes", vg_name, argc);
+
+        /* store vg on disk(s) */
+        if (!ios->vg_write(ios, vg))
+                return ECMD_FAILED;
+
+/********* FIXME
+	if ((ret = do_autobackup(vg_name, vg)))
+		return ret;
+*********/
+
+	log_print("Volume group '%s' successfully extended", vg_name);
+
+	return 0;
+}