David Greaves wrote:
For a simple 4 device array I there are 24 permutations - doable by
hand, if you have 5 devices then it's 120, 6 is 720 - getting tricky ;)
Oh, wait, for 4 devices there are 24 permutations - and you need to do it 4
times, substituting 'missing' for each device - so 96 trials.
4320 trials for a 6 device array.
Hmm. I've got a 7 device raid 6 - I think I'll go an make a note of how it's put
together... <grin>
Have a look at this section and the linked script.
I can't test it until later
http://linux-raid.osdl.org/index.php/RAID_Recovery
http://linux-raid.osdl.org/index.php/Permute_array.pl
David
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