I spent the last five or six hours working with a failed RAID1 array, and was able to get it up and running quite quickly after finding mdadm.
The part I don't understand is why raidhotadd didn't work as I expected. /dev/hda1 failed, so I replaced /dev/hda and rebooted. This marked hda in md0 and md1 as faulty.
After partitioning the new disk exactly as the old, and marking them as raid-autostart, raidhotadd reported:
md: invalid raid superblock magic on ide/host0/bus0/target0/lun0/part1 md: ide/host0/bus0/target0/lun0/part1 has invalid sb, not importing! md: could not import ide/host0/bus0/target0/lun0/part1! md: autostart ide/host0/bus0/target0/lun0/part1 failed!
Luckily I was able to use mdadm to find a list of available arrays and assemble them. I also tried raidsetfaulty, to no avail.
Also, my lilo.conf stated /dev/md0 (root partition) as its boot parameter, but after replacing hda, it would not boot. I had partitioned it the same as the defective disk. Changing the first boot disk to hdb resulting in "LI". Shouldn't both of these have worked?
What did I do wrong?
Thanks, Dave
-- Dave Wreski Guardian Digital, Inc. (201) 934-9230 Pioneering. Open Source. Security. dave@guardiandigital.com http://www.guardiandigital.com
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