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Re: Strange delete performance using XFS

To: Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx>
Subject: Re: Strange delete performance using XFS
From: Thomas Kaehn <tk@xxxxxxxxxxx>
Date: Thu, 5 Apr 2007 12:50:06 +0200
Cc: Chris Wedgwood <cw@xxxxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <Pine.LNX.4.64.0704050621350.17700@p34.internal.lan>
References: <20070404130535.GE18320@mail3b.westend.com> <20070404154523.GA20096@tuatara.stupidest.org> <20070405072803.GB2759@mail3b.westend.com> <20070405090333.GE2759@mail3b.westend.com> <Pine.LNX.4.64.0704050621350.17700@p34.internal.lan>
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Hi Justin,

On Thu, Apr 05, 2007 at 06:21:43AM -0400, Justin Piszcz wrote:
> >So there is no improvement for a single disk.
> >
> What kind of disks are you using? Maybe just slow disks??

I am using the following disks:

http://www.westerndigital.com/en/products/products.asp?DriveID=233

When disabling write barriers delete times are OK. I think that
the 3ware RAID controller could have a problem with it. I'll try to
contact 3ware in order to come to know if this feature is supported or
not.

Additionally I am going to try out some advices presented in the
3ware knowledge base.

Ciao,
Thomas
-- 
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