[Lustre-discuss] Future of lustre 1.8.3+/Debian support

[Andreas Dilger]

On 2010-05-21, at 6:34, Christopher Huhn <C.Huhn at gsi.de> wrote:
> What worries us is that the Lustre server patches do not appear to
> progress towards integration into the mainline kernel but rather away
> from it, which makes porting to Debian (and up-to-date kernels in
> general) more and more difficult.

I would have to disagree. There is an open bug with detailed  
descriptions on how to remove the patches to the core kernel, and with  
the move to ext4-based ldiskfs many of the complex patches that we  
developed are now part of ext4.

It's true that there is no effort to submit Lustre upstream, but that  
is largely due to the huge amount of effort it would require to  
restructure Lustre to meet the whims of the kernel maintainers.

By reducing or eliminating the server kernel patches at least it will  
mean the maintenance for new kernels will be limited to the API  
changes that appear with each new kernel.