[rescue] Looking for I/O performance metrics

[Bill Bradford]

On Fri, Nov 23, 2001 at 02:13:00PM -0000, Chris Byrne wrote:
> All,
> I'm looking for some I/O measurement tools freely available for Solaris 2.6.
> I'm working on a SAN project at the moment and there's some weird stuff
> happening somewhere in the chain, and I need to isolate it. The sysadmin is
> saying that it's the SAN, the SAN people are blaming the Solaris config
> etc... etc... and I'm stuck in the middle.
> Anyway the built-ins on Solaris are not as detailed (or way to detailed if I
> want to fully instrument the thing) as I'm going to need so I've been
> looking around for suggestions.
> The systems are Solaris 2.6 running oracle 8i, and if anyone has ideas for
> oracle specific metrics I'd appreciate it.
> Thanks
> Chris Byrne

What fiber cards are you using?  In our environment (LOTS of EMC fiber storage),
the NUMBER ONE MOST IMPORTANT THING when it comes to problems like this is 
UPDATE THE FIRMWARE ON THE HBAs and USE THE LATEST DRIVERS.

Bill

-- 
Bill Bradford
mrbill at mrbill.net
Austin, TX