[Linux-cluster] GFS2 changes between RHEL AP V5.x and 6?

[Steven Whitehouse]

Hi,

On Fri, 2010-09-17 at 03:58 +0000, Jankowski, Chris wrote:
> Hi,
>  
> I read the beta 2 release notes for RHEL 6.  It mentions numerous
> changes in the cluster for RHEL 6, but nothing about GFS2.
>  
> Are there any GFS2 changes in RHEL 6 compared with RHEL 5.x?

There are a few. Not a huge number though, as most of the changes are
cleanup, performance and stability related.

GFS2 in RHEL6 supports barriers, and the lock_dlm module has gone away
(gfs2 talks direct to the dlm without needing a layer between the two).
Support for discards is also new. Also a long standing bug relating to
umount order and bind mounts has been fixed. Tracepoints for GFS2 are
new too.

I'm sure there was supposed to be a list somewhere in the docs, but
maybe not the release notes... I forget now where it landed up,

Steve.

>  
> Thanks and regards,
>  
> Chris Jankowski
>  
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