[clug] RAID5 data recovery

Peter Barker pbarker at barker.dropbear.id.au
Tue Mar 31 20:34:21 MDT 2015

On Tue, 31 Mar 2015, David C wrote:

> I'm doing data recovery for a mate and I've got disk images for 3 out of
> the 4 disks.
> It was hardware raid and mdadm just isn't playing ball.
> Any suggestions? My Google-fu picked out a couple of tools to create raid
> images but they look to all be failing.

What was the hardware controller?

mdadm understands *some* standard RAID formats - if the card does as well 
then you may be able to work with mdadm.

Incidentally - if you still have the card, could you blat the images onto 
some fresh disks and get the data off that way?  Then, of course, set the 
controller to JBOD and use software RAID :-)

Perhaps someone else has a copy of the controller if the controller is 

Peter Barker                          |   Programmer,Sysadmin,Geek.
pbarker at barker.dropbear.id.au	      |   You need a bigger hammer.
:: It's a hack! Expect underscores! - Nigel Williams

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