EMC monitoring - slightly OT

I'm trying to find some simple way of monitoring our EMC SAN (Clariion). I assume emc provides something, but I haven't turned it up as of yet. All I really need is a way to check out our cache (is it saturated yet?) and disk i/o utilization. I have found navicli which seems to be good for providing static information (how things are configured), but not so good for dynamic. I've been looking at the EMC web site and will head back there, but they don't seem to be good at posting docs online.

Thanks.

Henry

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