What Does %b (or %Busy) Actually Mean in the Output of iostat(1M)? (Doc ID 1003635.1)

Last updated on AUGUST 01, 2016

Applies to:

Solaris Operating System
All Platforms
*** Reviewed for currency 19-March-2015 ***

Goal

The %b (sometimes referred to as %Busy) column as reported in iostat is often misunderstood.

This document attempts to describe what it actually means.

Solution

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