[Linux-cluster] GFS with Dell MD3000?

Kevin Anderson kanderso at redhat.com
Tue Aug 28 20:36:26 UTC 2007

On Tue, 2007-08-28 at 13:13 -0700, Christopher McCrory wrote:
> Hello...
> On Tue, 2007-08-28 at 13:41 -0500, Ryan O'Hara wrote:
> > Christopher McCrory wrote:
> > > 
> > >   Has anyone tried GFS with the Dell MD3000 array?  This is a SAS
> > > hardware raid array that can support four server connections including
> > > shared access.  (very nice piece of hardware).  I have no experience
> > > with GFS (yet).
> > 
> > Yes. I've tested GFS with this array using the mptsas drivers that are 
> > shipped with RHEL5. Works fine.
> > 
> I have a rather large collection of static files that I serve up with
> apache.  I would like to take one MD3000 to connect to four servers.
> Mark one as read/write for updating and the other three as readonly.  I
> realize with GFS any could write, but I would like it to be as simple as
> possible.
The MD3000 we used has two controllers in a active/passive
configuration.  This only allows you to connect two nodes to the array
to use it in a GFS configuration.  

> What kind of fencing did you use?  Or is the MD3000 able to handle that
> part?

Fencing needs to be done separate from the storage array.

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