RAID failure help

Toby Corkindale tjc at
Thu Jul 6 19:14:30 BST 2006

On Thu, Jul 06, 2006 at 10:46:21AM +0100, Simon Wistow wrote:
> A friend of mine is having problems with his RAID 5 set up at home which 
> uses a  Adaptec SATA RAID 2810SA
> "going in via the card bios on boot shows all four
> drives are physically detectable and present. running the "verify disk
> media" diagnostic (from within card bios disk utilities) scanned and
> passed all sectors on all four of the disks. it doesn't know they were
> set up in raid5, it can just see each one individually.
> error message i'm getting is something roughly along the lines of
> "missing required array members", it'll then sit there for a bit, and
> eventually say "no int13 drives found" and boot continues. can't see any
> evidence of the array from the os (obviously), nor when poking around
> from the array management section of the bios. "it ain't in kansas
> anymore, toto". "
> Anybody got any ideas. Might booting up with Linux and software RAID 
> help to retrieva data?

Linux's software raid won't be compatible, *however*, there is a (free,
opensource) utility that emulates what the hardware RAID cards do, in order to
access the data from Linux. This might help your friend considerably.
Catch is, I can't remember the name of it.

However, if the data is hard to retrieve from backup, then it's probably worth
your friend crawling through Google results to try and find it.


Turning and turning in the widening gyre/The falcon cannot hear the falconer;
Things fall apart, the centre cannot hold/Mere anarchy is loosed upon the world
(gpg --keyserver --recv-key B1CCF88E)

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