[CentOS] Intel 10G X520-2 and iscsi storage poor performance

Mon Sep 30 07:20:02 UTC 2013
Götz Reinicke - IT Koordinator <goetz.reinicke at filmakademie.de>

Am 27.09.13 17:39, schrieb John Doe:
> From: Götz Reinicke - IT Koordinator <goetz.reinicke at filmakademie.de>
> 
>> we have a storageserver (Centos 6.4) with a dualport Intel 10G X520-2
>> Adapter.
>>
>> A QSan P600Q-D316 Storage is configured with 8*SATA Drives raid 5 for
>> test, connected trought a Cisco UCS 6100 Series Fabric
>> Interconnect 10G Switch.
>>
>> I formated the storage with ext4 defaults, one volume and got r/w rates
>> about 10MB/s some up to 40MB/s .... VERY POOR....
> 
> Maybe have a look at:
>  http://downloadmirror.intel.com/14687/eng/readme.txt
> There are some performance tuning sections...

Thanks JD for that link; I was hoping that someone already found some
basic tunig suggestions, so that I dont have to reinvent the wheel.

	cheers . Götz

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