[Linux-cluster] [PATCH] Port STABLE branch to upstream kernel

Brandon Lamb brandonlamb at gmail.com
Fri Feb 2 23:18:00 UTC 2007

Very cool, thanks! I plan to try this out after im done with my ocfs2
and iscsi testing, cant wait to try out GFS too!

On 2/2/07, Robert Peterson <rpeterso at redhat.com> wrote:
> Hi Folks,
> Attached is a patch to bring the entire STABLE branch of cluster
> suite up to date so that it compiles against newer upstream kernels.
> I used Linus' upstream kernel, 2.6.20-rc7. I'm posting it here rather
> than just committing it to CVS to give everyone a chance to eyeball
> it first.  Here's what changed:
> 1. It compiles against the new kernel.
> 2. It should no longer cause a kernel panic in do_add_mount.
> 3. Included are the recent AIO changes to GFS.
> The code hasn't seen much testing, so beware.  I've done some general
> I/O testing but it probably should NOT be considered production ready.
> As stated before, there are basically two separate cluster worlds now:
> The cman-kernel way of doing things (e.g. RHEL4, STABLE) and
> the openais way of doing things (e.g. RHEL5, HEAD).  They can't be
> mixed and matched.  The place where those world collide is in clvmd,
> the clustered lvm2.  In RHEL5, the clvmd works with the openais-based
> cluster code (obviously).  To get clvmd to work properly with the
> STABLE branch on a RHEL5 system, I had to do some minimal
> patching and compile it from source.  I didn't try it with the RHEL4
> version of clvmd because I wanted to compare GFS performance of the
> two infrastructures, so I did my testing on the same RHEL5 cluster.
> The performance test was also why I integrated the aio changes.
> (BTW, performance was the same between the two infrastructures,
> but this wasn't a very good performance test).
> This is NOT meant to catch STABLE up with RHEL4, so there might be
> other little changes between RHEL4 and STABLE.  I'll go
> through and try to clean that up sometime after this is committed.
> If some of you want to try it out and let me know I'd appreciate it.
> Regards,
> Bob Peterson
> Red Hat Cluster Suite
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