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Bug#568975: ([squeeze/lenny][i386][2010-02-04] grub-installer fails, system unbootable)

On Thu, 11 Feb 2010, Vincent.McIntyre@csiro.au wrote:

The options for resolving it (so lenny-via-squeeze works) seem to be:
 - add a debconf configuration item to specify the metadata version

I started a patch but I have absolutely no idea what I'm doing.
The attached is just an attempt to clarify what I am suggesting.

Index: trunk/packages/partman/partman-auto-raid/debian/partman-auto-raid.templates
--- trunk/packages/partman/partman-auto-raid/debian/partman-auto-raid.templates	(revision 62177)
+++ trunk/packages/partman/partman-auto-raid/debian/partman-auto-raid.templates	(working copy)
@@ -22,3 +22,13 @@
 _Description: Not enough RAID partitions specified
  There are not enough RAID partitions specified for your preseeded
  configuration. You need at least 3 devices for a RAID5 array.
+Template: partman-auto-raid/superblock_type
+Type: select
+Choices-C: ${CHOICES}
+# :sl1:
+Description: for internal use; can be preseeded
+ Metadata version for superblock of RAID devices
+ .
+ The default is 1.1
Index: trunk/packages/partman/partman-auto-raid/auto-raidcfg
--- trunk/packages/partman/partman-auto-raid/auto-raidcfg	(revision 62177)
+++ trunk/packages/partman/partman-auto-raid/auto-raidcfg	(working copy)
@@ -74,6 +74,16 @@
+	# Check for nondefault version of RAID superblock metatadata
+	db_get partman-auto-raid/superblock_type
+	if [ -z "$RET" ]; then
+		:
+	else
+	        MD_SB_TYPE="$RET"
+		logger -t partman-auto-raid "Setting superblock metadata version to $MD_SB_TYPE"
+	fi
 	if ! log-output -t partman-auto-raid \
 		mdadm --create /dev/md$MD_NUM --auto=yes --force -R -l raid$RAID_TYPE \

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