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.
999: 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.