o Basic support for exporting (but importing not completed yet).

o When volume group does not have write flag set, prevent changes to it.
o Preparation for partial activation (not completed yet).

1 files changed, 68 insertions, 0 deletions

diff --git a/tools/vgexport.c b/tools/vgexport.c
new file mode 100644
index 000000000..9ece85a13
--- /dev/null
+++ b/tools/vgexport.c
@@ -0,0 +1,68 @@
+/*
+ * 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"
+
+static int vgexport_single(const char *vg_name);
+
+int vgexport(int argc, char **argv)
+{
+	return process_each_vg(argc, argv, &vgexport_single);
+}
+
+static int vgexport_single(const char *vg_name)
+{
+	struct volume_group *vg;
+
+	if (!(vg = fid->ops->vg_read(fid, vg_name))) {
+		log_error("Unable to find volume group %s", vg_name);
+		return ECMD_FAILED;
+	}
+
+	if (vg->status & EXPORTED_VG) {
+		log_error("Volume group %s is already exported", vg_name);
+		return ECMD_FAILED;
+	}
+
+	if (!(vg->status & LVM_WRITE)) {
+		log_error("Volume group %s is read-only", vg_name);
+		return ECMD_FAILED;
+	}
+
+	if (lvs_in_vg_activated(vg)) {
+		log_error("Volume group %s has active logical volumes", 
+			  vg_name);
+		return ECMD_FAILED;
+	}
+
+	if (!archive(vg))
+		return ECMD_FAILED;
+
+	vg->status |= EXPORTED_VG;
+
+	if (!fid->ops->vg_write(fid,vg))
+		return ECMD_FAILED;
+
+	backup(vg);
+
+	log_print("Volume group %s successfully exported", vg->name);
+	
+	return 0;
+}