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optimizing raid performance with xfs

To: linux-xfs@xxxxxxxxxxx
Subject: optimizing raid performance with xfs
From: Andy Arvai <arvai@xxxxxxxxxxx>
Date: Wed, 19 Mar 2003 11:48:57 -0800 (PST)
Sender: linux-xfs-bounce@xxxxxxxxxxx
Hi,

In the next few weeks I will be building a linux server with a large
(1.2TB) raid array. There will be two 3ware 7850 cards (running
hardware raid5) and a software raid0 across these two cards.  I plan to
benchmark three different filesystems (ext3, reiser and xfs) to
determine which performs the best. The main thing I am interested in is
sequential i/o with large files and I've heard that xfs should be the
best choice for this. I am wondering if anyone has recommendations for
mkfs.xfs or mount options to maximize performance in this situation.

Thanks for any suggestions,
Andy


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