Re: Multiple raids on one machine?

["Jim Buttafuoco" <jim@contactbda.com>]

use LVM, that way you can resize the volumns


---------- Original Message -----------
From: Chris Allen <chris@cjx.com>
To: linux-raid@vger.kernel.org
Sent: Sun, 25 Jun 2006 23:37:01 +0100
Subject: Multiple raids on one machine?

> Back to my 12 terabyte fileserver, I have decided to split the storage 
> into four partitions
> each of 3TB. This way I can choose between XFS and EXT3 later on.
> 
> So now, my options are between the following:
> 
> 1. Single 12TB /dev/md0, partitioned into four 3TB partitions. But how do
> I do this? fdisk won't handle it. Can GNU Parted handle partitions this big?
> 
> 2. Partition the raw disks into four partitions and make 
> /dev/md0,md1,md2,md3.
> But am I heading for problems here? Is there going to be a big 
> performance hit
> with four raid5 arrays on the same machine? Am I likely to have dataloss 
> problems
> if my machine crashes?
> 
> Thanks for listening...
> 
> -
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------- End of Original Message -------