>On Wednesday July 4, [EMAIL PROTECTED] wrote:
>>
>>  Thanks for everyone's feedback.  I made some progress by changing to
>>  a single lilo.conf file and changing boot to /dev/md0, but I still
>>  can't get my system to boot when sdb is offline.
>>
>>  When I ran lilo, it only mentioned writing to /dev/sdb in the output.
>>  This leads me to believe that boot=/dev/md0 isn't writing the MBR to
>>  /dev/sda, and is further suggested by the fact that the system won't
>>  boot when /dev/sdb is offline.  Is there something else I can do to
>>  force lilo to write the MDB on BOTH disks?
>
>Is your RAID1 full functional off both drives when you run lilo, or is
>it in degraded mode (only one drive active, the other possibly
>rebuilding?).
>
>lilo will only write boot information on drives that are fully
>functional parts of the array.
>
>NeilBrown

The drives were/are fully functional according to mdstat.

I did accidentally run lilo when the raid wasn't synced, and it 
bailed with a disk error.  I have since resynced the raid with 
raidhotadd and re-ran lilo, but no joy on booting with sda only.

-Dale
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