FC2 Grub raid problem, long standing..

Paul Iadonisi pri.rhl3 at iadonisi.to
Sat Sep 4 03:15:05 UTC 2004


On Fri, 2004-09-03 at 09:16, Hans Kristian Rosbach wrote:

[snip]

> "grub-install /dev/sda" tells me this:
> "/dev/md0 does not have any corresponding BIOS drive"
> 
> /dev/md0 is /boot
> 
> This bug shows that this is a LONG TIME standing bug:
> http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=55484

  I have a workaround for this.  I usually just edit /etc/mtab and
change the /dev/md* entries with the corresponding /dev/sda*
partitions.  Use lsraid to determine what those are (or look at your
/etc/raidtab).  Then the 'grub-install /dev/sda' should work.  You may
also want to do the same for /dev/sdb.  Don't forget to change them back
to what they were or things might get a little confused (df, for one,
will not show the correct information).  It's a hack, but it's worked
for me.  However, I've never tried booting either of my soft-raid1 disks
without the other one. 

-- 
-Paul Iadonisi
 Senior System Administrator
 Red Hat Certified Engineer / Local Linux Lobbyist
 Ever see a penguin fly?  --  Try Linux.
 GPL all the way: Sell services, don't lease secrets





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