SPA
The DASD Free Space (SPA) sampler monitors free space on specified DASD volumes.
This sampler produces a warning if the free space on any specified DASD volume falls below the specified number of cylinders.
Syntax
The parameters are defined as follows:
Parameter | Description |
|---|---|
int | is the length of the sample period in intervals; the default sample period is 30 seconds (one interval) |
cyl | is the low threshold of free cylinders |
volser | is the volume serial number; the maximum number of volsers you can specify on a single statement is seven The volsers that you specify must exist at the time you invoke the sampler. |
dvn | is the number of the device to be monitored; the maximum number of devices you can specify on a single statement is 14 |
Example
Assuming a report interval of 30 seconds, the following control statement displays warning messages at five-minute intervals if free space on WORK01, WORK02, or WORK03, or on any volume mounted on device address 380 or 381, falls below 50 cylinders:
SPA 10,50,WORK01,WORK02,WORK03,380,381
Warning message
The following warning message is issued by the SPA sampler:
PWSSPA01 *WARNING* dvn vvvvvv has xxx free cylinders and yyyy free tracks
where
Variable | Description |
|---|---|
dvn | is the device address |
vvvvvv | is the volume serial of device |
xxx | is the count of free cylinders |
yyyy | is the count of free tracks (not including cylinders) |
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