[mythtv-users] Linux software raid question

Asher freedenizen at gmail.com
Tue Jun 3 15:58:08 UTC 2008


On Tue, Jun 3, 2008 at 8:41 AM, Boleslaw Ciesielski
<bolek-mythtv at curl.com> wrote:
> Matt Nelson wrote:
>> On one of my mythtv backend servers I host my fileserver that stores all
>> of my media on two raid5 sets totaling 12 drives that are all attached
>> via sata.  These are all attached externally, and that is where my
>> question lies, if I connect these drives incorrectly will my raid sets
>> die, or does it not matter where they are connected since there is some
>> metadata that tells the linux software raid that it belongs to a certain
>> raid set?
>
> Yes, Linux software RAID will work regardless of the drive order. Your
> only order concern is the boot drive.
>
> Bolek

That is true as long as you have Persistent Superblock enabled:
http://tldp.org/HOWTO/Software-RAID-HOWTO-5.html#ss5.9

Here is more information on software raid autodectection:
http://tldp.org/HOWTO/Software-RAID-HOWTO-7.html#ss7.2


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