Am 14.04.2011 18:29, schrieb James:
> Florian Philipp <lists <at> binarywings.net> writes:
> 
>> Are you sure sda1 and sdb1 are not in use? Did the kernel activate the
>> already present RAID? Then you have to deactivate it. Use
>> mdadm --stop /dev/md*
> 
> AHHHHHHHHHHHHHHHHHHHHHh!
> 
> livecd ~ # mdadm --stop /dev/md*
> mdadm: error opening /dev/md: Is a directory
> mdadm: stopped /dev/md1
> mdadm: stopped /dev/md125
> mdadm: stopped /dev/md126
> mdadm: stopped /dev/md127
> mdadm: stopped /dev/md3
> mdadm: stopped /dev/md4
> 
> 
> So it has 2 sets of md ?
>

*Head scratch* This, uhm, looks odd. No clue what to make of it.


> mdadm --create /dev/md127 --level=1 --raid-devices=2 --metadata=0.90 /dev/sda1
> /dev/sdb1
> mdadm: /dev/sda1 appears to be part of a raid array:
>     level=raid1 devices=2 ctime=Sun Apr 10 17:12:42 2011
> mdadm: /dev/sdb1 appears to be part of a raid array:
>     level=raid1 devices=2 ctime=Sun Apr 10 17:12:42 2011
> Continue creating array? y
> mdadm: array /dev/md127 started.
> 
> 
> What next?
> 

Guess you also have to remove them from the old array:
mdadm /dev/md0 --remove /dev/sda1
You can also try --force.

Regards,
Florian Philipp

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