Well, I updated the description for now, but it's not clear that a
core.img with mdraid1x is actually over the limit:
(precise-amd64)root@sarantium:~# grub-mkimage -O i386-pc --output=core.img
biosdisk ext2 part_msdos mdraid1x
(precise-amd64)root@sarantium:~# ls -l core.img
-rw-r--r-- 1 root root 29451 Sep 18 16:06 core.img
(quantal-amd64)root@sarantium:~# grub-mkimage -O i386-pc --output=core.img
biosdisk ext2 part_msdos diskfilter mdraid1x
(quantal-amd64)root@sarantium:~# ls -l core.img
-rw-r--r-- 1 root root 31362 Sep 18 16:06 core.img
Since the first sector contains the MBR and partition table, that leaves 62
sectors == 31744 bytes, which should be enough.
Can you confirm that the second of these matches the size of your
/boot/grub/core.img? It would also be helpful if you could attach the first
32KB of each disk:
sudo hd -n32768 /dev/sda >sda.start
sudo hd -n32768 /dev/sdb >sdb.start
** Changed in: grub2 (Ubuntu)
Assignee: (unassigned) => Colin Watson (cjwatson)
** Summary changed:
- mdraid1x core image too large for minimal MBR
+ mdraid1x core image too large for minimal MBR?
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https://bugs.launchpad.net/bugs/1051154
Title:
mdraid1x core image too large for minimal MBR?
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