I have a machine in a very weird state. It contains only two 80Gb ATA disks connected to a Promise RAID controller, which has them as two submirrors of a RAID 1 volume, upon which the freebsd filesystem and swap are located.

It was operating on only one drive for a while, and then the machine suffered a power outage. After we got it up again the promise controller decided both drives were dodgy and the machine stopped functioning.

The guy who built the PC went to have a look at it and deleted the mirror in the bios and re-created it again, and called me to say everything is fine.

Only problem now is that most of the data is way out of date, presumably was on the first disk to be failed by the promise controller. But weirdly, /etc and /var seem to be recent, but /usr is very old.

And whenever I try and write anything to /usr, after a while the machine panics and reboots itself. It took about 45 minutes to do an automatic fsck just now after one such reboot.

Basically I want to know how I can re-sync the mirror properly so that things are in order again.

I would also like some idea as to how the chip decides which disk to read it's data from (is it random?)

Can this be fixed remotely? Or does it require going back to Bios to remove and delete a disk and add it again or something?

Dual Pentium III
2Gb Ram

Thanks very much



  ::: Jesse Reynolds +61 (0)414 669 790 ::: AIM - jessedreynolds :::
  ::: Virtual Artists Pty Ltd, Adelaide ::: http://www.va.com.au :::
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