[CentOS] Re: 3ware performance in CentOS

Scott Silva ssilva at sgvwater.com
Thu Jun 19 22:07:14 UTC 2008


on 6-19-2008 1:05 PM Ruslan Sivak spake the following:
> Jim Perrin wrote:
>> On Thu, Jun 19, 2008 at 1:55 PM, Florin Andrei 
>> <florin at andrei.myip.org> wrote:
>>  
>>> Have a look at these pages:
>>>
>>> http://www.bofh-hunter.com/2008/06/13/3ware-performance-in-centos/
>>> https://bugzilla.redhat.com/show_bug.cgi?id=444759
>>>
>>> I'm comparing the default 5.1 64bit kernel with the patched one 
>>> posted in
>>> the bug report (kernel-2.6.18-53.1.21.el5.bz321111.x86_64) and I 
>>> don't quite
>>> see any significant difference in write performance for this command:
>>>     
>>
>> You are comparing the wrong kernels. The bz321111 kernel was for an
>> NFS related bug and has no 3 impact on 3ware performance. The redhat
>> bug report has the kernels built for 3ware performance. Once 5.2 is
>> rolled out, Johnny Hughes has stated he would consider building a
>> kernel for the 444759 bug.
>>
>>   
> How would I know if I'm affected by this bug?  I'm using the 9690SA 
> controller.
> Russ
Does the stock drivers even support that controller yet?


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