hmm, so topas -T gives me per/tape-drive stats.  Do you know how to save
that data in the nmon-snapshot format?


Regards,
Shawn
________________________________________________
Shawn Drew





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Re: [ADSM-L] TSM5.5/AIX61 Performance Monitoring






On 16 nov 2010, at 22:03, Shawn Drew wrote:

> Looking for some tips on performance monitoring.  I've been through the
> tuning guide, but I'm looking for
> monitoring CPU/Memory, HBA usage, disk/tape performance, etc.
>
> I'm wondering what are the favorite tools on this list.   From what I
can
> gather nmon doesn't collect tape drive data, which is one of my major
> interests.

not exactly per drive but nmon command ^ gives you the stats of your HBAs.
The only thing that does better that that is the TSM server
instrumentation (instr begin, instr end f=<file>), but I wouldn't run that
for very long periods of time.

I think your options are limited to nmon and good old sar.

>
> I need to collect historical data for long term trends.  Does anyone
know
> if you can keep topas output in single, periodic snapshots like nmon?
>

topas and nmon have merged... they are now one and the same.

>
> Regards,
> Shawn


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