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

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