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From: Brian Candler <B.Candler@pobox.com>
To: troby <Thorn.Roby@harlandfs.com>
Cc: xfs@oss.sgi.com
Subject: Re: How to deal with XFS stripe geometry mismatch with hardware RAID5
Date: Wed, 14 Mar 2012 07:52:15 +0000	[thread overview]
Message-ID: <20120314075215.GA44756@nsrc.org> (raw)
In-Reply-To: <20120314073752.GA44708@nsrc.org>

> 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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  reply	other threads:[~2012-03-14  7:52 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-13 23:21 How to deal with XFS stripe geometry mismatch with hardware RAID5 troby
2012-03-14  7:37 ` Brian Candler
2012-03-14  7:52   ` Brian Candler [this message]
2012-03-14 15:41   ` Peter Grandi
2012-03-14 17:53   ` troby
2012-03-14  8:36 ` Stan Hoeppner
2012-03-14 17:43   ` troby
2012-03-14 21:05     ` Brian Candler
2012-03-14 23:21       ` troby
2012-03-15  0:31         ` Peter Grandi
2012-03-14 22:48     ` Peter Grandi
2012-03-14 23:22 ` Peter Grandi

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