[Bug 160563] "grub-install /dev/md0" does not install on second disk in RAID 1 array correctly

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Summary: "grub-install /dev/md0" does not install on second disk in RAID 1 array correctly


https://bugzilla.redhat.com/show_bug.cgi?id=160563





------- Additional Comments From jlcooke at certainkey.com  2008-07-02 10:50 EST -------
Bruno,

I've seeing this problem as well.

>From FC9 installer, I setup 3 MD's (/boot, swap and /).  It works great.  I make
sure sdb has a MBR like sda.  And I also add a 2nd kernel in grub.conf with
fallback=1 so if hd0,0 (sda1) can't load, it goes to hd1,0 (sdb1) for the boot
image.  root=/dev/md2 (which is / in my case).

Everything works great as long as both disks are present.  (I can boot from
hd0,0 or hd1,0).

But if I remove either sda or sdb, I get invalid argument in boot-up fsck.ext3
on /dev/md0.  It's like the kernel doesn't know to start up the /dev/md's before
trying to fsck them.

If this has been fixed - what is the work around?  Thanks for bringing this back up.

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