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тАО11-09-2005 08:50 AM
тАО11-09-2005 08:50 AM
EVA perf - any hints
I am looking for any metrics hints for EVA perf.
I mean when I can say that I have peformance problems with EVA ?
For example: 20% of CPU utilization is high or not, average queue of 30 is it acceptable or not, etc.
best regards
Michal
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тАО11-09-2005 06:07 PM
тАО11-09-2005 06:07 PM
Re: EVA perf - any hints
The problems with EVA on host side related to I/O operations. Use perfmon counters such as disk queue length (it must be above 1 in average)
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тАО11-10-2005 08:09 AM
тАО11-10-2005 08:09 AM
Re: EVA perf - any hints
I haven't caught your answer. My counters (20%, 30) were examples, not real.
I was expecting general answer.
Is anyone using this tool ?
Micha├Е
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тАО11-10-2005 10:02 AM
тАО11-10-2005 10:02 AM
Re: EVA perf - any hints
I am not so sure what you need, but we had someone come in and do our performance analysis for us.
Here are some of the metrics that he used;
evaperf hps -cont 300 -csv -dur 604800 > perf_hps.csv (This is for host port statistics)
evaperf cs -cont 300 -csv -dur 604800 > perf_cs.csv (This is for array controller status)
evaperf pdg -cont 300 -csv -dur 604800 > perf_pdg.csv (This is for physical disk groups)
evaperf vd -cont 300 -csv -dur 604800 > perf_vd.csv (This is for virtual disks)
These were all set through scheduled tasks on our SMA. You can get more details from typing in perfview /? at the command line.
Best of luck.
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тАО11-11-2005 04:43 AM
тАО11-11-2005 04:43 AM