Hard drive weirdness.

[David Gibb]

Brilliant! I just checked the serial number, and /dev/disk/by-id, and
it works perfectly.

I still haven't quite worked up the courage to assemble the array with
a disk missing. I might just make myself a backup and a stiff drink
before doing so.

Thanks for all your help and attention. I certainly wouldn't have been
able to figure all of this out on my own.
David

On Wed, Jul 23, 2008 at 3:14 PM, David Vincent
<dvincent at sleepdeprived.ca> wrote:
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> Rashkae wrote:
>> David Vincent wrote:
>>> David Gibb wrote:
>>>> Yeah, I know about
>>>> sudo mdadm --detail /dev/md0
>>>> but my problem is interpreting the results: if it tells me that
>>>> /dev/sda has failed, then do I replace the top hard drive, or the
>>>> bottom?
>>> they are identical drives?  take a look at how you have them cabled.
>>> /dev/sda would be the master and /dev/sdb would be the slave.
>>>
>>
>> Err, if I still remember this thread correctly, /dev/sda and sdb are
>> SATA drives, no slave, no master. and indeed no way to predict which is
>> which when Sh#t happens.
>
> the motherboards i use have each sata channel labeled.  also the bios
> should tell you which is "master" and which is "slave".
>
> - -d
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