Re: 3ware performance in CentOS

[Scott Silva <ssilva@xxxxxxxxxxxx>]

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@xxxxxxxxxxxxxxx> 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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