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SAS System Options for IMS Databases

IMSIOB= SAS System Option

Specifies a value for the number of OSAM I/O requests that can be active concurrently.
Valid in: SAS invocation, OPTIONS statement
Category: Engine, DATA step
Default: IMSIOB=*
Tip: Not restrictable



IMSIOB= * | 999


specifies that the value is null in the attach parameter list.


for IMS/VS Release 2.2.0, enter a value of 999 to disable OSAM processing. This option is provided by an IBM APAR and PTF to eliminate CSA shortages due to the allocation of OSAM blocks.

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