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February 18th, 2007 10:00

symoptmz examples (ANY and ALL welcome) ...

Hi:

Dissapointedly the EMC support center had nothing more to offer than the
poorly written Product Guide and Unix man page for the Symmetrix optimizer
command "symoptmz". They didnt even have internal examples of their own.

Does anyone have examples on how to use the command to:

(1) Collect data Symmetrix wide and make suggestions (remember this is CLI
not ECC).

(2) How to tell it to find a suitable replacement for a specified hyper whose I/O is hot.

(3) And in general a good white paper on how to use the symoptmz under various
situations... data collection; recommendations; taking action, etc.

I already have the Product Guide, and man page - both of which are missing
key information. This guide is unlike other guides which are generally written
well.

Looking for examples and things other have written on their own about symoptmz.

You can email it to... nmvega@ComputingArchitects.Com

Will post complied results. Thank you in advance.

Regards,
Noel

14 Posts

February 20th, 2007 08:00

Hello Noel,

Is Optimizer currently configured to collect performance statistics according to your workload and suggest swaps?

5 Practitioner

 • 

274.2K Posts

March 27th, 2007 13:00

Thank you for providing some feedback on the symoptmz command documentation. We take documentation feedback very seriously at EMC and we are working to resolve your concerns.

In the latest release of the EMC Solutions Enabler Array Controls Product Guide (V6.4), which contains a chapter on Optimizing array performance, we have added information that had been missing in the prior versions, as you had mentioned, which includes information on setting up a manual swap list. We are in the process of reviewing the need for more examples on migrating devices, which would be included in future releases.

However, some of the information you requested (such as item 1 and 2 in the forum post; copied below), the SYMCLI engineers have stated that these are functions of the Symmetrix Optimizer itself and were not meant to be manipulated using the SYMCLI commands. Optimizer contains a complex set of algorithms designed to address these issues without user interaction, as described in the product guide.

I hope we have addressed some of your concerns. Once again, your feedback is appreciated.

EMC, Technical Writer
Neil
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