Grub fails to boot linux after install on dual boot with RAID+LVM
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
grub2 (Ubuntu) |
Expired
|
Undecided
|
Unassigned |
Bug Description
Ive just been trying out new installs on a PC which was running Kubuntu 12.04.3 LTS (upgraded from Beta1). The 12.04 Beta 1 installed perfectly on this system and has been working for a long time. Essentially the system is fine so we can rule out related issues.
Trying to install all of the following:
Ubuntu Server 13.04
Ubuntu Server 13.10 daily current
Everything is fine, disk partitioning, RAID, LVM etc then grub fails on reboot and drops to grub rescue after "error: no such disk". Ive been unable to make a successful boot from the command line.
Essentially the system has 3 disks.
sda - 250GB seagate - Multiple partitions containing multi-boot Windows Vista64 bit and Windows XP 32bit.
sdb - 500GB seagate - see below.
sdc - 500GB seagate - see below.
Both sdb/sdc are configured as 2 partitions 1GB and 499GB forming two raid sets
md0 - 1GB for /boot
md1 - 499GB for LVM
The LVM has partitions for /, /home, /tmp and swap amongst others.
I have tried with the partitions using both ext4 and resiserfs and the result is the same - fails to boot and goes into grub rescue.
grub is referencing the drives as (muuid/blah).
In grub resuce ls shows (md/0) and (md/1) along with the various hd bits for each of the drives and partitions.
It should have booted without problem - it appears to be unable to find /boot properly.
affects: | ubiquity (Ubuntu) → grub-installer (Ubuntu) |
Also fails on Ubuntu Server 12.04.3 LTS.