[CentOS-virt] IBM GPFS filesystem

Fri Dec 3 11:06:07 UTC 2010
Evan Fraser <Evan.Fraser at rms.com>

Hi Adam,

GPFS nodes can be licensed in two different ways.  As a node with storage locally attached (called NSDs), or as a client node that connects to NSD servers.

My Virtual servers are client nodes, and thus have an appropriate client license (these are cheap).  They connect via GPFS's RDMA over Infiniband to my GPFS NSD servers which are a much more expensive license.

The purpose of me doing it this way was to let me use storage already allocated to GPFS for my cluster without having to dedicate any luns to Virtual servers.

Cheers, Evan.

>Hi Evan,
>Thanks for the response.  Just out of curiosity, do you have to pay the
>extra licensing costs for each CentOS node?

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