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Re: How to deal with XFS stripe geometry mismatch with hardware RAID5

from [Brian Candler] [Permanent Link][Original]
To: troby <Thorn.Roby@xxxxxxxxxxxxx>
Subject: Re: How to deal with XFS stripe geometry mismatch with hardware RAID5
From: Brian Candler <B.Candler@xxxxxxxxx>
Date: Wed, 14 Mar 2012 07:52:15 +0000
Cc: xfs@xxxxxxxxxxx
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User-agent: Mutt/1.5.21 (2010-09-15) 
> So the conclusion is: do you actually care about performance for this
> application?  If you do, I'd say don't use RAID5.  If you absolutely must
> use parity RAID then go buy a Netapp ($$$) or experiment with btrfs (risky). 
> The cost of another 10 disks for a RAID10 array is going to be small in
> comparison.

Or you could switch to another database like couchdb which only appends to
its database and index files - it never goes back and overwrites existing
blocks.
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