Re: [Xen-users] 3ware 9650 support for Xen

[Kai Meyer <kai@xxxxxxxxx>]

Grant McWilliams wrote:
> In Fri, Oct 24, 2008 at 8:26 AM, Steven Timm <timm@xxxxxxxx 
> <mailto:timm@xxxxxxxx>> wrote:
>     For what it's worth, I'm running the stock kernel-xen out of
>     rhel 5.2/centos 5.2/sci. linux 5.2 and it is recognizing the 3ware
>     9650
>     card just fine.  Red hat 5 claims to be a 2.6.18 kernel but they have
>     back-ported a lot of stuff into it.  Before i did that, and I was
>     using the 2.6.18 kernel out of the xen tarballs from xen.org
>     <http://xen.org>, I couldn't see the 3ware either.
>
>     Steve Timm
>
>
> Yes, the CentOS 5.2 kernel does have drivers for the 9650. There's 
> always the choice of compiling the drivers from 3wares site too.
> Grant McWilliams
>
> Some people, when confronted with a problem, think "I know, I'll use 
> Windows."
> Now they have two problems.
> ------------------------------------------------------------------------
>
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I have found that you can install CentOS 5.2 with the latest drivers 
from 3ware with out a problem, using a kickstart script, and the 
'driverdisk' option. If you intend to upgrade the Kernel afterwards, you 
simply need to copy the 3w-9xxx.ko file from the old kernel's 
/lib/modules/`uname -r`/ directory and adding it to the new kernel's. 
Then rebuild your initrd with mkinitrd to include the 3w-9xxx.ko module. 
For the last year or so I've been working a lot with new customer 
servers wanting to run xen and 3ware on different raid cards. It comes 
down to a matching game. Which kernel are you running, and which 3ware 
driver from their website matches the one you're using (or want to use.)
You'll probably want to review their table here for a list of Kernels 
with built-in compatibility, and Kernel modules you can download for 
"officially unsupported" kernels.
http://3ware.com/KB/article.aspx?id=14546

-Kai Meyer

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