On Sat, 25 Jun 2005, Lee W wrote: > I hope someone can help. > > Just started to play with software RAID on Centos 3.5 and was trying to > simulate a faulty drive by using the -f switch on mdadm to mark the partition > (drive) as faulty and I then I removed and readded the drive, which quit > happily rebuilt according the /proc/mdstat and the output from the --detail > switch of mdadm. After all this mucking around I shutdown the system and > tried to restart it in the morning but the system now won't boot, it gets as > far as "GRUB loading" and just stops I have hard reset to get it to reboot. > > I have rebooted using the install CD in rescue mode and I can see that all the > arrays are setup quite happily (all RAID 1's if it matters) and mdstat reports > the status as "dirty,no-errors". Is that status normal? all the how-tos I've > seen about software RAID show this as the status, so I have kind of assumed > that is okay. > > Given that all the data is readable from the arrays, I'm guessing that I had > to do something to GRUB prior after rebuilding the arrays and before shutting > down the system. > > Can anyone help fill in the gap in my knowledge as to what I should have done? You may want to look at this: http://forums.fedoraforum.org/showthread.php?t=26912 Not sure if it is the same cause, but worth to check. Kind regards, -- dag wieers, dag at wieers.com, http://dag.wieers.com/ -- [all I want is a warm bed and a kind word and unlimited power]