Rick Bragg <lists@xxxxxxxxx> writes:
> Hi,
>
> I recently posted a question to find out how to tell what is sda, b, c,
> etc... and I am now using smartctl to get the serial numbers and all is
> really great. Thanks everyone for that info!
>
> Another puzzle is with raid10, there are 2 used in a stripe, then that
> stripe is mirrored with the other 2. My question is how can I tell
> "what 2 disks can fail?" In other words, how can I tell for example if
> sda and b are stiped? and that c and d are a mirror of a and b? How can
> I see what is happening with that? Is there a way to tell?
>
> Thanks
> Rick
Does it matter? If one disk fails you know the next disk failure has a
33+% chance of data loss and knowing which disk will be critical doesn't
change that.
MfG
Goswin
PS: why not set up a raid over /dev/ramX with the same option of your
real raid, fail some disks and see when it breaks down.
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