SVN: geninitrd/trunk/functions

[glen]

Author: glen
Date: Thu Nov  1 18:30:15 2007
New Revision: 8951

Modified:
   geninitrd/trunk/functions
Log:
- more information why lvdisplay failed to resolve lvm name

Modified: geninitrd/trunk/functions
==============================================================================
--- geninitrd/trunk/functions	(original)
+++ geninitrd/trunk/functions	Thu Nov  1 18:30:15 2007
@@ -95,10 +95,23 @@
 	;;
 	esac
 
+	if [ ! -b "$node" ]; then
+		echo >&2 "dm_lvm2_name: $node is not a block device"
+		return 1
+	fi
+
 	local lvm_path=$(/sbin/lvdisplay -c 2>/dev/null | awk -F: -vn=$dm_minor '{node=$1; major=$12; minor=$13; if (n == minor) print node}' | xargs)
 	if [ -z "$lvm_path" ]; then
 		# XXX: this could happen also for non-lvm nodes?
-		echo >&2 "lvdisplay couldn't find device-mapper node with minor $dm_minor. try running 'vgscan --mknodes'."
+		cat >&2 <<-EOF
+		LVM doesn't recognize device-mapper node with minor $dm_minor
+
+		In case your Physical Volumes are device mapper nodes, you should add to lvm.conf:
+		    types = [ "device-mapper", 254 ]
+
+		In case the LVM nodes are not present yet, it could be fixed by running:
+		# vgscan --mknodes
+		EOF
 		return 2
 	fi
 	if [ ! -r "$lvm_path" ]; then