Use the iostat Command to Report I/O Statistics

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Good post by Anthony English (thank you)

If you need to gather statistics about your I/O response times on AIX, it’s hard to beat the iostat command. The iostat command reports CPU, input/output statistics for the whole OS, adapters, file systems, and even tape drives if you have them.

The problem with iostat is that it provides too much information to choose from.

Read on here

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