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From: Emmanuel Florac <eflorac@intellique.com>
To: Justin Piszcz <jpiszcz@lucidpixels.com>
Cc: xfs@oss.sgi.com
Subject: Re: Anyone using XFS in production on > 20TiB volumes?
Date: Thu, 23 Dec 2010 22:50:36 +0100	[thread overview]
Message-ID: <20101223225036.4bef756e@galadriel.home> (raw)
In-Reply-To: <alpine.DEB.2.00.1012231403440.5924@p34.internal.lan>

Le Thu, 23 Dec 2010 14:07:13 -0500 (EST) vous écriviez:

> Main wonder I have is why when the partition is aligned to 1MiB,
> which is the default in parted 2.2+ I believe, is it slower than with
> no partitions?

1MiB possibly can't round well on the stripe boundaries. I suppose you
could get better results with 64KB or 16KB stripes. Did you try with an
LVM in between?

-- 
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Emmanuel Florac     |   Direction technique
                    |   Intellique
                    |	<eflorac@intellique.com>
                    |   +33 1 78 94 84 02
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  parent reply	other threads:[~2010-12-23 21:48 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-22 16:30 Anyone using XFS in production on > 20TiB volumes? Justin Piszcz
2010-12-22 16:56 ` Emmanuel Florac
2010-12-22 19:03   ` Eric Sandeen
2010-12-23  0:26     ` Emmanuel Florac
2010-12-23  0:28       ` Justin Piszcz
2010-12-23  0:56         ` Dave Chinner
2010-12-23  9:43           ` Justin Piszcz
2010-12-23 12:03             ` Emmanuel Florac
2010-12-23 18:06             ` Justin Piszcz
2010-12-23 18:55               ` Emmanuel Florac
2010-12-23 19:07                 ` Justin Piszcz
2010-12-23 19:54                   ` Stan Hoeppner
2010-12-23 21:48                     ` Emmanuel Florac
2010-12-23 23:21                       ` Stan Hoeppner
2010-12-23 21:50                   ` Emmanuel Florac [this message]
2010-12-23 22:04                     ` Justin Piszcz
2010-12-23 19:29                 ` Justin Piszcz
2010-12-23 19:58                   ` Stan Hoeppner
2010-12-24  1:01                   ` Stan Hoeppner
2010-12-23 21:12               ` Eric Sandeen
2010-12-23  1:10         ` Emmanuel Florac
2010-12-22 17:06 ` Chris Wedgwood
2010-12-22 17:10   ` Justin Piszcz
2010-12-22 17:32     ` Chris Wedgwood
2010-12-22 17:35       ` Justin Piszcz
2010-12-22 18:50         ` Chris Wedgwood
2010-12-22 19:24           ` Justin Piszcz

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