On Fri, Mar 26, 2010 at 9:28 AM, Anshuman Aggarwal
Obviously you do not understand the problem then, since if you did not
previously, and you say you learned nothing new.
Also, you added additional arguments to the commands I provided when
that was neither required nor desired.
However enough data was returned to see one thing: ALL of the events
counters show the same number.
That is extremely odd, usually in this situation at least one device
will have a lower number.
If possible please describe what happened to cause this in the first place.
Also, you'll find these links more directly relevant to your problem:
https://raid.wiki.kernel.org/index.php/RAID_Recovery
Reading my local copy of the manpage (which is slightly outdated, you
should really get the latest stable mdadm release, compile, install
and read the manual to confirm it's still not there) I can't find any
way of bringing an array up in read only mode without using missing
devices, which is what the permutation script tries to do.
Additionally without knowing what type of event is being recovered
from; I suspect either simultaneous disconnection of half the drives;
or what you've done since, because it looks like something, I cannot
offer concrete advice on how to proceed.
However there are two main routes open to you at this point. Posting
a fresh message asking how to create an array read only for use with
data recovery, and some variant of following the perl script's steps
that the linked document mentions.
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