[Linux-cluster] Maximum number of GFS server nodes?

Steven Whitehouse swhiteho at redhat.com
Thu Jan 5 17:20:44 UTC 2012


On Thu, 2012-01-05 at 10:07 -0700, Dax Kelson wrote:
> Looking in older Red Hat Magazine article by Matthew O'Keefe such as:
> http://www.redhat.com/magazine/008jun05/features/gfs/
> http://www.redhat.com/magazine/008jun05/features/gfs_nfs/
> There are references to large GFS clusters.
> "For example, if 128 GFS server nodes require..." and "scalability 300
> + or more"
> Why is it on RHEL6 only a max of 16 nodes is supported?
Those articles are rather out of date. I don't think that GFS was ever
used or tested at that scale and that was probably the theoretical limit
at the time. The reason for the 16 node limit is that it is what we test
(and therefore what we support), which largely reflects what people have
requested. There is no reason why larger numbers of nodes couldn't be
made to work in theory though,


> Thanks,
> Dax Kelson
> Guru Labs
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