[Linux-cluster] GFS over DRBD

[Christopher Hawkins]

Yes, it does work with DRBD 8.0 or higher, but is limited to 2 nodes. The
DRBD pro version (not free) allows 3 nodes.  

Chris

-----Original Message-----
From: linux-cluster-bounces at redhat.com
[mailto:linux-cluster-bounces at redhat.com] On Behalf Of Jos Vos
Sent: Friday, November 16, 2007 10:12 AM
To: linux clustering
Subject: Re: [Linux-cluster] GFS over DRBD

On Fri, Nov 16, 2007 at 04:01:09PM +0100, amrossi at linux.it wrote:

>  <<Since DRBD-8.0.0 you can run both nodes in the primary role, 
> enabling to  mount a cluster file system (a physical parallel file 
> system) one both nodes concurrently. Examples for such file systems 
> are OCFS2 and GFS.>>

I didn't know about this feature.  It looks like this enables you to run GFS
without shared storage on 2 nodes (i.e. using two disks on two nodes that
are replicated as the device for GFS).

Is this what you were looking for?  I think DRBD only handles 2 nodes, but I
might be wrong in that.

-- 
--    Jos Vos <jos at xos.nl>
--    X/OS Experts in Open Systems BV   |   Phone: +31 20 6938364
--    Amsterdam, The Netherlands        |     Fax: +31 20 6948204

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