On Wed, Nov 23, 2011 at 7:50 AM, Phil Turmel <philip@xxxxxxxxxx> wrote:
> Hi Ken,
>
> On 11/22/2011 07:47 PM, NeilBrown wrote:
>> On Tue, 22 Nov 2011 18:05:21 -0600 Kenneth Emerson
> [...]
>> Assuming nothing has changed since the "--detail" output you provided, you
>> should:
>>
>> mdadm -S /dev/md3
>> mdadm -C /dev/md3 --metadata=1.0 --chunk=64k --level=6 --raid-devices=5 \
>> missing /dev/sdb4 /dev/sdc4 /dev/sda4 /dev/sdd4 \
>> --assume-clean
>>
>> The order of the disks is import. You should compare it with the output
>> of "mdadm --detail" before you start to ensure that it is correct and I have
>> made any typos. You should of course check the rest as well.
>> After doing this (and possibly before) you should 'fsck' to ensure the
>> transition was successful. If anything goes wrong, ask before risking
>> further breakage.
>
> A word of warning... the shell notation /dev/sd[bcad]4, which you might be
> tempted to type in the above command line, *will* *not* *work*. Bash reorders
> the [bcad] to [abcd], dropping nonexistent names. You might know this, and
> not be burned, but others on the list have been. Use {b,c,a,d} to stay safe.
Thanks, may be you saved my data in future uses ;)
>
> HTH,
>
> Phil
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Best regards,
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