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SPA


The DASD Free Space (SPA) sampler monitors free space on specified DASD volumes.

Note

The SPA sampler does not support the extended area of Extended Addressability Volume (EAV) devices.

This sampler produces a warning if the free space on any specified DASD volume falls below the specified number of cylinders.

Syntax

GUID-338A1807-5C84-4841-9E04-34C30DC0C7DB-low.pngThe 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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