From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: Christoph Hellwig <hch@infradead.org>,
xfs-masters@oss.sgi.com, xfs@oss.sgi.com,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
T?r?k Edwin <edwintorok@gmail.com>
Subject: Re: XFS internal error (memory corruption)
Date: Wed, 6 Jul 2011 04:05:05 -0400 [thread overview]
Message-ID: <20110706080505.GA2354@infradead.org> (raw)
In-Reply-To: <20110706072221.GZ1026@dastard>
On Wed, Jul 06, 2011 at 05:22:21PM +1000, Dave Chinner wrote:
> Unless you have a good sized chunk of BBWC in front of your disks,
> in which case internal logs are just as fast. In fact, internal logs
> can are often faster in this case because an internal log on a 12
> disk RAID6 array can sink a whole log more bandwidth than an external
> log on a 2-disk RAID0 mirror.....
>
> At least, that's what my hardware tells me. ;)
Sure, a nice BBWC setup will give you good results. But it's generally
much more expensive than a simple setup with a raid5 or 6 and a mirror for
the log device.
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next prev parent reply other threads:[~2011-07-06 8:05 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-05 6:03 XFS internal error (memory corruption) Török Edwin
2011-07-05 13:09 ` Dave Chinner
2011-07-05 13:38 ` Török Edwin
2011-07-06 4:04 ` Dave Chinner
2011-07-06 7:07 ` Christoph Hellwig
2011-07-06 7:22 ` Dave Chinner
2011-07-06 8:05 ` Christoph Hellwig [this message]
2011-07-06 22:04 ` Stan Hoeppner
2011-07-06 19:30 ` Stan Hoeppner
2011-07-06 23:52 ` Dave Chinner
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