[CentOS] 3ware performance in CentOS

Johnny Hughes johnny at centos.org
Fri Jun 20 11:36:27 UTC 2008


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.
> 

OK, there is a kernel for this in the Testing repo , the version is:

kernel-2.6.18-92.1.1.el5.bz444759

This kernel is compiled on the 5.2 tree (which should be released before 
Tuesday 6/24).  It might also work OK on CentOS-5.1 but I have not 
tested it on 5.1

http://dev.centos.org/centos/5/testing/

Thanks,
Johnny Hughes

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