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Displaying tape device statistics

The tape device statistics help understand tape performance and check usage pattern. You reset the statistics reading and restart the process of displaying the statistics whenever you want.

Step

  1. To display the statistics for a specified tape device, enter the following command:
    storage stats tape tape_name

    tape_name is the name of a tape device.

Example

filerA> storage stats tape nrst0l Bytes Read: 71471104 Bytes Written: 382147584 Command Num issued Max (ms) Min (ms) Avg (ms) ------- ---------- -------- -------- -------- WRITE - Total 2518 1927 2 24 6269 KB/s 44-48KB 897 372 2 6 6531 KB/s 60-64KB 421 1927 3 13 4796 KB/s 128-132KB 800 131 8 19 6761 KB/s 508KB+ 400 481 32 83 6242 KB/s READ - Total 1092 1570 5 14 4582 KB/s 60-64KB 92 1390 5 25 2493 KB/s 64-68KB 1000 1570 5 13 4958 KB/s WEOF 5 2827 2787 2810 FSF 1 13055 13055 13055 BS 0 0 0 0 FSR 2 1390 5 697 BSR 1 23 23 23 REWIND 9 67606 94 22260