IMHO, SSD has more IOPS then disks and has larger capacity then raid/nvram so it seems that SSD should help in MDS, the U want SSD in dual host env to support failover?
regards

On 8/19/2010 8:29 AM, Gregory Matthews wrote:
Article by Jeff Layton:

http://www.linux-mag.com/id/7839

anyone have views on whether this sort of caching would be useful for
the MDT? My feeling is that MDT reads are probably pretty random but
writes might benefit...?

GREG

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