[Linux-cluster] storage clustering without SAN

[Joey Jablonski]

On potential is Gfarm.

http://datafarm.apgrid.org/

--jj


On 3/21/07, Kovacs, Corey J. <cjk at techma.com> wrote:
>
> Sounds like what you want is something along the lines of Lustre or even
> GPFS
> from IBM.
> Those systems allow aggregate use of nodes as storage bricks. RHCS could
> be
> used on top
> of such a system as well as in conjunction with. Lustre for instance
> allows a
> node to be
> designated as a failover for another node, but as far as I know requires
> some
> other method
> to ensure the storage device is taken over by the failover node. It all
> depends on what you
> are trying to accomplish. If you are trying to save money, move ahead
> carefully. I'm not
> sure if the storage bricks are meant to be used for general purpose
> computing
> etc once they
> are configured to provide storage. Also, due to the current lack of "raid"
> personalities in
> things like Lustre, you will want some nice hardware, which by the time
> you
> get done paying
> for you might as well have paid for a small SAN.  For raw thoughput
> though,
> it's hard to beat
> Luster or GPFS.
>
>
> Corey Kovacs
> Senior Systems Engineer
> Technology Management Associates
> 703.279.6168 (B)
> 855-6168 (R)
>
>
> -----Original Message-----
> From: linux-cluster-bounces at redhat.com
> [mailto:linux-cluster-bounces at redhat.com] On Behalf Of Robert Peterson
> Sent: Wednesday, March 21, 2007 10:12 AM
> To: linux clustering
> Subject: Re: [Linux-cluster] storage clustering without SAN
>
> Shailesh wrote:
> > Hi Everyone,
> >              I am looking for a storage solution where there is NO
> > common storage area like a SAN. But just a bunch of PC clustered
> > togther with their internal disk space used collectively as a storage
> area.
> >
> > Can you suggest me any information that talks about such an
> > architecture ?
> >
> > Can I use the redhat clustering suite with these bunch of PC connected
> > on a ethernet network ?
> >
> > Do I have to use GFS , if RHCS is employed ?
> >
> > I'll appreciate your answer to the above.
> >
> > Thanks & Regards
> > Shailesh P S
>
> Hi Shailesh,
>
> If your storage is not shared, what exactly do you mean by "used
> collectively"?
>
> You can use the cluster suite to cluster a bunch of PCs together so they
> cooperate, provide High Availability services (through
> rgmanager) and so forth, regardless of whether you use GFS.
>
> If your storage isn't shared between the systems, you don't need GFS.
>
> Regards,
>
> Bob Peterson
> Red Hat Cluster Suite
>
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-- 
Joey Jablonski
505-239-4947
jrjablo at gmail.com
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