AIX iostat utility for tape performance

In releases of AIX® 5.3 and earlier, the AIX iostat utility supports tape performance statistics in addition to other supported devices (such as disk). To determine whether the iostat utility supports the configured tape drives, run the command iostat -p. If the configured tape drives are supported, a list of configured tape drives are displayed with the statistics listed for each drive. Refer to the AIX iostat man page for a complete description of the iostat command and parameters. When the Data Path Failover feature is used, only the primary path for the tape drive is listed. The statistics apply to both the primary and alternative paths that are used.