Friday Jan 29, 2010

Vdbench running prtdiag, cfgadm, etc, slowing down vdbench startup

The objective of Vdbench is to measure storage performance. When you save the performance information generated by Vdbench for future use it can happen that 6 months down the road you ask your self: "what were the details of the system status at the time of this run"?  Vdbench on Solaris each time runs the 'config.sh' script distributed in the /solaris/ or /solx86/ sub directory. This script includes commands like prtdiag and cfgadm; the output is stored in file 'config.html'

With systems getting larger and more complex every day, these commands can take quite a while to complete and can some times take 30-60 seconds, delaying the actual starting of Vdbench.

If you do not care about recording this data create a file named 'noconfig' in your Vdbench install directory, and Vdbench from that point on will bypass running 'config.sh'.

Henk.

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Blog for Henk Vandenbergh, author of Vdbench, and Sun StorageTek Workload Analysis Tool (Swat). This blog is used to keep you up to date about anything revolving around Swat and Vdbench.

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