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On Tue, 4 Jan 2011, Vladimir 'φ-coder/phcoder' Serbinenko wrote:
On 01/04/2011 07:52 PM, Faheem Mitha wrote:
Note that if you do, the system was halting on an initramfs prompt, not
a grub prompt,
Then (90% chance) it's outside of GRUB realm. I recommend contacting
your distro
Well, it is actually booting now, much to my surprise. Apparently mdadm
was the missing piece.
However, I'd just like to remind you that this command is still failing. I
don't know whether it is a bug or not. Details of the commands used to
create the chroot are given below.
grml:/# grub-install /dev/md0
/usr/sbin/grub-setup: error: unable to identify a filesystem in hd0; safety
check can't be performed.
Again, I suggest grub warn if mdadm is not installed in such a case.
Regards, Faheem
*****************************************************************************
r...@grml ~ # Start mdadm-raid
Assembling MD array md0...done (degraded [1/2]).
Generating udev events for MD arrays...done.
r...@grml ~ # Start lvm2
Setting up LVM Volume Groups Reading all physical volumes. This may take
a while...
Found volume group "debian" using metadata type lvm2
Found volume group "backup" using metadata type lvm2
Found volume group "newdebian" using metadata type lvm2
12 logical volume(s) in volume group "debian" now active
2 logical volume(s) in volume group "backup" now active
3 logical volume(s) in volume group "newdebian" now active
.
r...@grml ~ # mount /dev/newdebian/root
32 r...@grml ~ # mount -o bind /dev /mnt/newdebian-root/dev
r...@grml ~ # mount -o bind /proc /mnt/newdebian-root/proc
r...@grml ~ # chroot /mnt/newdebian-root /bin/bash
grml:/# mount /boot
grml:/# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/mapper/newdebian-root
26910964 17462608 8081332 69% /
tmpfs 26910964 17462608 8081332 69% /lib/init/rw
sysfs 26910964 17462608 8081332 69% /sys
udev 1417364 396 1416968 1% /dev
tmpfs 1417364 396 1416968 1% /dev/shm
devpts 1417364 396 1416968 1% /dev/pts
/dev/dm-16 238153 57596 168269 26% /boot
grml:/# dpkg -l grub-pc
Desired=Unknown/Install/Remove/Purge/Hold
|
Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Description
+++-============================-============================-========================================================================
ii grub-pc 1.99~20101221-1 GRand
Unified Bootloader, version 2 (PC/BIOS version)
grml:/# grub-install /dev/md0
/usr/sbin/grub-setup: error: unable to identify a filesystem in hd0;
safety check can't be performed._______________________________________________
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