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ILOG Files

ILOG files are VSAM linear data sets (LDS) that are used to record WTO text and other events of interest.

You can allocate up to 100 ILOGs per ISERVE address space, and you can provide up to 10 subfiles per ILOG. Each subfile is one VSAM LDS. During operation, when a subfile is filled, recording switches to the next subfile.

Modify and submit an SRVMAINT job that contains one or more ALLOC_ILOG commands. Each ALLOC_ILOG statement allocates a pair of VSAM linear data sets. If you modify this job, do not modify the LINEAR and SHAREOPTIONS parameters.

Example Statement

ALLOC_ILOG NAME CLUSTER VOLSER xxxxxx CYL 1 1

Another way of allocating these data sets is to modify and submit the BYSIALI member of the CAW0JCL data set.