Bug#422851: "grub-probe -t partmap" doesn't work with software RAID

[Sam Morris]

On Wed, 2007-05-09 at 18:13 +0200, Robert Millan wrote:
> I'm forwarding you a bug report from Debian.  It seems that the grub-probe
> -t partmap feature I just added doesn't play nice with RAID.  Unfortunately,
> I have no idea how software RAID is implemented.  Is it okay to just exit
> succesfuly and install core.img without any partmap module?

Hi Robert,

I altered grub-install to not fail if the partmap module could not be
determined, and then rebooted. I was put straight into rescue mode, and
'ls' only showed (hd0) (hd1) (hd2)... so I guess at least 'pc' is
necessary for Linux software RAID setups.

After editing the script to fall back to 'pc' if partmap_module could
not be determined, I rebooted again. This time I got the menu, however
it had (what appeared to be) only a single, blank entry. Hitting enter
or pressing 'e' locked up the system. I could press 'c' to get to a
command prompt, however.

Upon doing so, I did 'ls' and could see the individual partitions insead
of just the disk devices. However I didn't know what else to do, so I
booted back up with grub 1 and sent this message.

-- 
Sam Morris
http://robots.org.uk/

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