GFS (was Re: [Beowulf] High Performance for Large Database)

Chris Samuel csamuel at vpac.org
Mon Nov 15 17:36:42 PST 2004


On Tue, 16 Nov 2004 12:26 am, Laurence Liew wrote:

> BTW, GFS was built for enterprise and not specifically for HPC... the
> use of SAN (all nodes need to be connected to a single SAN storage)..
> may be a bottleneck...

You don't actually need to go through a SAN, you can export the devices via 
GNBD instead and access them over an IP network.

In fact if the devices in the back end are on a SAN then you can export the 
devices from multiple serves via GNBD and the clients can write to multiple 
servers at the same time.

Caveat: This is just from reading the docs though, not from experience! :-)

Chris
-- 
 Christopher Samuel - (03)9925 4751 - VPAC Systems & Network Admin
 Victorian Partnership for Advanced Computing http://www.vpac.org/
 Bldg 91, 110 Victoria Street, Carlton South, VIC 3053, Australia

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