Public bug reported:
Binary package hint: grub
1)
ser...@thor:~$ lsb_release -rd
Description: Ubuntu 10.04 LTS
Release: 10.04
2)
ser...@thor:~$ apt-cache policy grub
grub:
Installed: (none)
Candidate: 0.97-29ubuntu60
Version table:
0.97-29ubuntu60 0
500 http://fo.archive.ubuntu.com/ubuntu/ lucid/main Packages
However, /boot/grub/grub.cfg exists and is regularly updated (e.g., on
kernel updates)
3) I expected my raid arrays remain intact on kernel updates
4) Instead, grub writes to a wrong MBR thus destructing my raids
My setup:
/dev/sda, /dev/sdb, /dev/sdc - used for raids (on sata2/3 interfaces)
/dev/sdd (on ata interface) contains / and /home, the system boots from
/dev/sdd
I would rather prefer that Ubuntu installer numbers disks the other way around,
i.e., /sda instead of /sdd
(to boot from the first device). This is the way CentOS does thus not
destructing raids on kernel updates.
Apparently this issue persists since Ubuntu 7, at least, see bug #112339
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: grub (not installed)
ProcVersionSignature: Ubuntu 2.6.32-22.36-server 2.6.32.11+drm33.2
Uname: Linux 2.6.32-22-server x86_64
Architecture: amd64
Date: Sat Jul 3 09:06:11 2010
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
ProcEnviron:
LANG=en_US.utf8
SHELL=/bin/bash
SourcePackage: grub
** Affects: grub (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug lucid
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GRUB writes to wrong MBR and destroys RAID setup
https://bugs.launchpad.net/bugs/601305
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