[cgl_discussion] [Fwd: [ogfs-dev]EVMS 2.0 with cluster support]

John Cherry cherry at osdl.org
Wed Apr 2 15:52:22 PST 2003


Pai,

Thanks for the clarification on naming.  I was not implying that EVMS
was going to address the consistent naming in a cluster at the device
level.  However, if all "shared" devices are encapsulated in shared
containers, then we have consistent volume names in the cluster.

John

On Wed, 2003-04-02 at 15:22, Ram Pai wrote:
> On Wed, 2 Apr 2003, Peter Badovinatz wrote:
> 
> > John Cherry wrote:
> > >
> > > EVMS has been released as a clustered volume manager.  It could address
> > > things like cluster wide device naming and could replace the notion of
> > > pools in OpenGFS.  Does anybody on the cgl_discussion list have some
> > > bandwidth to evaluate this?
> 
> We support cluster wide **volume** device naming. What this means is
> that EVMS volumes created on Shared containers will show up as a
> volume device with the same name on all cluster nodes.
> 
> And from the discussion with the OpenGFS folks today, I understand
> that this is what they want.
> 
> Pools can be replaced with EVMS volume devices residing on shared container.
> However we do not have an equivalent of a sub-pool.
> 
> We are eager to receive feedback, and requirements that drives our future
> development.
> 
> Thanks,




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