[Lustre-discuss] Support for vanilla kernels in lustre servers

[Andreas Dilger]

On 2009-10-31, at 11:37, Bernd Schubert wrote:
> Sun is very helpful and provide distribution kernels as tar.bz2 on
> their download page:
>
> http://downloads.lustre.org/public/kernels/
>
> So instead of going through the pain to get that yourself from the
> vendors src.rpm Sun already greatly helps (so far I have not
> found an easy how to do that myself, any hint from the guy
> providing the tar files would be highly appreciated).
>
> In a perfect world, this page also would state which kernel is  
> suitable
> for which Lustre version, e.g.
>
> lustre-1.6.7.2	linux-2.6.18-92.1.10.el5.tar.bz2
> lustre-1.8.1.1	linux-2.6.18-128.7.1.el5.tar.bz2
>
> Also missing are the .config files. I usually extract these from the  
> kernel
> binary packages - I need to download 150MB to get the 4KB config  
> file *sigh*.
> And better don't try to change options in non-vanilla kernels, this  
> very often
> fails, because the vendor doesn't support it and so also doesn't  
> test it.

You can get the config files from CVS, in lustre/kernel_patches/ 
kernel_configs
directory.

> Btw, of course these kernels also work for different distributions,  
> so instead
> of going through the pain to port Lustre to  Ubuntu or Debian  
> kernels, I simply
> started to create debian packages for the RHEL5 kernels

Yes, I also use different kernels on different distros (SLES10 kernel  
on FC6
for instance) without problems.

Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.