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Re: XFS unlink still slow on 3.1.9 kernel ?

To: xfs@xxxxxxxxxxx
Subject: Re: XFS unlink still slow on 3.1.9 kernel ?
From: Richard Ems <richard.ems@xxxxxxxxxxxxxxxxx>
Date: Wed, 15 Feb 2012 16:54:26 +0100
In-reply-to: <4F3AE9EA.1050609@xxxxxxxxxxxxxxxxx>
References: <4F3A5B49.6020803@xxxxxxxxxxxxxxxxx> <4F3AE9EA.1050609@xxxxxxxxxxxxxxxxx>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.1) Gecko/20120129 Thunderbird/10.0.1
On 02/15/2012 12:10 AM, Stan Hoeppner wrote:
> On 2/14/2012 7:02 AM, Richard Ems wrote:
>> lspci shows:
>>
>> LSI Logic / Symbios Logic 53c1030 PCI-X Fusion-MPT Dual Ultra320 SCSI
> 
> PCI-X?  So this host and array have a few years on them I assume.

Yes. Bought 2007.

>>> Also check the performance data in the management interface on the
>>> InforTrend unit to see if you're hitting any limits there (if it has
>>> such a feature).  RAID6 is numerically intensive and that particular
>>> controller may not have the ASIC horsepower to keep up with the IOPS
>>> workload you're throwing at it.
>>
>> There is no performance data in the management interface to check.
> 
> Ok, so this is a relatively basic, entry level array?

It's an InforTrend InforTrend A24U-G2421, see
http://www.infortrend.com/main/2_product/es_a24u-g2421.asp


Richard

-- 
Richard Ems       mail: Richard.Ems@xxxxxxxxxxxxxxxxx

Cape Horn Engineering S.L.
C/ Dr. J.J. Dómine 1, 5º piso
46011 Valencia
Tel : +34 96 3242923 / Fax 924
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