Examples of disk commands
Use the disk command examples to monitor I/O and select disks.
This example shows how to use the DSKU major command to monitor the I/O rates of devices at 160 to 16F.
DSKU16 IMS001 IMS002 ....
dadr 160 161 ....
dio .R 1.4 0 ....
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DSKU16 SCRAT1 SCRAT2 ....
dadr 168 169 ....
dio .R 2.5 8.7 ....
The next example shows I/O queue length. For any device with an I/O queue length greater than or equal to 2, the minor commands display the current user, the I/O queue length, and the address.
DSKQ02 MVSRES SPOOL
dusr *MASTER* JES2
dioq 3 2
dadr 163 167
The next example selects all private disks.
DSKV DB0021 DB0022 DB0023 DB0024 KN0056 KB0087
dusr MESSAGE1 MESSAGE1
dio .R 2.3 5.3
The next example selects all disks whose volsers begin with WO.
DSKNWO WORK01 WORK02
dadr 140 147