Re: Array over arrays - how to autoassemble correctly?

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On Wed, Jan 27, 2010 at 7:41 PM, Luca Berra <bluca@xxxxxxxxxx> wrote:
> On Wed, Jan 27, 2010 at 06:32:57PM +0000, Kristleifur Dađason wrote:
>>
>> # mdadm.conf
>> #
>>
>> # by default, scan all partitions (/proc/partitions) for MD superblocks.
>> # alternatively, specify devices to scan, using wildcards if desired.
>> DEVICE partitions /dev/md/d0 /dev/md/d1
>>
>> # auto-create devices with Debian standard permissions
>> # CREATE owner=root group=disk mode=0660 auto=mdp
>>
>> # automatically tag new arrays as belonging to the local system
>> HOMEHOST <system>
>>
>> # definitions of existing MD arrays
>>
>> ARRAY /dev/md/d0 metadata=1.1 name=mamma:d0
>> UUID=7f98e926:206a8ebe:59fc8d7b:4644a883 level=raid6 num-devices=6 #
>> container=6f98a7a8:d7b50181:587c27d1:59d6d137
>>
>> ARRAY /dev/md/d1 metadata=1.1 name=mamma:d1
>> UUID=da547022:042a6f68:d5fe251e:5e89f263 level=raid6 num-devices=6 #
>> container=6f98a7a8:d7b50181:587c27d1:59d6d137
>>
>> ARRAY /dev/md/tank metadata=1.1 name=mamma:tank
>> UUID=6f98a7a8:d7b50181:587c27d1:59d6d137 level=raid0 num-devices=2
>> devices=/dev/md/d0,/dev/md/d1
>>
>
> this kind of setup should be working without any issue on recent mdadm
> try removing
> DEVICE partitions /dev/md/d0 /dev/md/d1
> and the "devices=/dev/md/d0,/dev/md/d1" from mdadm.conf
> and let it discover things on boot by itself
>
> L.
>

Many thanks for the reply!

However, that's how the mdadm.conf looked like until today - adding
the DEVICE and devices stuff is something I put in to get things to
autoassemble themselves fully, as I thought 'man mdadm.conf' indicated
it.

Still, I'll certianly try - with and without - and double-checking
that my initramfs is OK.

Any further input most well appreciated.

-- Kristleifur
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