Castout thresholds for CIs in VSO areas

The castout thresholds for CIs in VSO areas are timers. When the timer expires, a CI is cast out of the VSO area.

The castout threshold for CIs in VSO areas is a timer after which a CI is castout of VSO areas. You can configure the thresholds for VSO areas with different number of CIs by specifying the following parameters in the DFSDFxxx member of the IMS PROCLIB data set under the <SECTION=FASTPATH> section:

VSO1THLD=

Specifies the castout threshold time in seconds for a VSO area with less than or equal to 800 control intervals (CIs). The valid range is 1 - 300. The default value is 300.

VSO2THLD=

Specifies the castout threshold time in seconds for a VSO area with 801 - 3500 CIs. The valid range is 1 - 300. The default value is 240.

VSO3THLD=

Specifies the castout threshold time in seconds for a VSO area with greater than 3500 CIs. The valid range is 1 - 300. The default value is 180.