[CentOS] 3ware performance in CentOS

Thu Jun 19 20:05:56 UTC 2008
Ruslan Sivak <russ at vshift.com>

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