Allocating data sets required by the CICS VR server address space

During activation of the CICS® VR server address space, CICS VR attempts to allocate data sets to various ddnames. For some of the ddnames, CICS VR attempts to dynamically create, catalog and allocate a data set if one was not created prior to activation.

Table 1. Listing of the ddnames CICS VR attempts to allocate during address space activation
Data set description ddname Dynamically created
Message data set DWWMSG YES
Start of change Alternate message data set End of change Start of change DWWALT End of change Start of change YES End of change
Trace data set DWWDMSG YES
Dump data set DWWDUMP YES
History data set DWWHIST YES
Recovery control data set (RCDS) DWWCON1 NO
Recovery control data set (RCDS) DWWCON2 NO
Recovery control data set (RCDS) DWWCON3 NO

The following topics elaborate on each of the data sets used by the CICS VR server address space:


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Timestamp icon Last updated: Friday, 29 November 2013


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