>From the error mdadm reported, the array's been converted to a 5-disk
one and it's trying to assemble it with 2 disks only which won't work.
I faced interruption during a grow process before, and re-issuing the
grow command worked for me, but I suggest you run all the tests
possible now and wait till more people reply to your email.
Also, dig around in the mailing list's archive. You're bound to find a
similar event sometime soon.
2010/1/2 Michał Sawicz <michal@xxxxxxxxxx>:
> Dnia 2010-01-02, sob o godzinie 21:01 +0300, Majed B. pisze:
>> The output of mdadm -E is incomplete. Please make sure the whole
>> output is included, including the table of devices.
>
> Unfortunately that's all I get from mdadm :/ On another array it does
> report the device table.
>
>> All your disks report a lot of ECC errors: 195 Hardware_ECC_Recovered
>> 0x001a 100 100 000 Old_age Always - 139150990
>>
>> You may wanna check your cables and/or RAM (RAM can be tested with a
>> free tool called memtest86). Also, if you don't have smartmontools (or
>> smartd to be specific) configured to run periodical polling and
>> testing, you may wanna run: smartctl -t offline /dev/sdx for all disks
>> and wait till it's finished, then you should be able to see whether
>> you have bad sectors or not.
>
> Will do the memtest after the self tests are done.
>
>> Have you tried force-assembling the array again?
>> mdadm -Af /dev/md0
>
> media ~ # mdadm -Af /dev/md5
> mdadm: /dev/md5 assembled from 2 drives and 3 spares - not enough to
> start the array.
>
>> P.S.: Make sure you reply to all not just me. Re-send the email with
>> the files to the mailing list so that others can look at them as well
>> :)
>
> Of course, didn't notice no Reply-To was set.
>
> --
> Regards
> Michał (Saviq) Sawicz
>
--
Majed B.
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