>> On Sun, May 30, 2010 at 09:50:26AM +1200, Richard wrote:
>>
>> > How about adding entries to your mdadm.conf file containing the UUID
>> > of /dev/md0, eg:
>> >
>> > ARRAY /dev/md8 level=raid6 num-devices=16
>> > UUID=38a06a50:ce3fc204:728edfb7:4f4cdd43
>> >
>> > note this should be all one line.
>>
>> I'll be happy to do that.
>>
>> > mdadm -D /dev/md0 should get you the UUID.
>>
>> root@00144ff2a334:/# mdadm -D /dev/md0
>> mdadm: md device /dev/md0 does not appear to be active.
>>
>> So...how do I get the UUIDs? I tried blkid and got this.
>>
http://lairds.us/temp/ucmeng_md/uuids
>> Those UUIDs are far from unique.
>
> After all your drives are visible, of course:
>
> `mdadm --examine /dev/sd* /dev/hd* > <filename>`
> `more <filename>`
>
> Make note of the array UUID for each drive. When done,
>
> `mdadm --assemble --assume-clean /dev/mdX /dev/<drive0> /dev/<drive1>
> /dev/<drive2> ...etc`
>
> where <drive0>, <drive1>, etc are all members of the same array UUID.
>
> Mount the file system, and fsck it. Once everything is verified
> good,
>
> `echo repair > /sys/block/mdX/md/sync_action`
