Monitoring Disk Utilization

Hard disk utilization must be monitored periodically to avoid problems related to disk space availability and usage. Solaris provides commands such as iostat and df to report disk utilization statistics. The following section discusses the use of these commands for monitoring disk utilization performance.

The iostat command

The iostat command provides information on a system's disk I/O. Information related to disk I/O includes utilization, queue lengths, throughput, rate of transactions, and the service time. The output generated by the iostat command depends on the options used with the command.

When you specify the time interval as a parameter, the iostat command provides output with information on the terminal, ...

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