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The ARETPD and AEXPDT operands of the DUMPOPTIONS/STREAMOPTIONS control statement allow the setting of a retention period or expiration date for SMF history files in the alternate pool that differs from that set for the history files created in the Primary pool (RETPD, EXPDT). If duplexing of SMF data is specified by COPIES(2) with no corresponding retention period or expiration date, this product will use the value specified for the primary pool.
Using a permanent retention date such as EXPDT(99.366) will cause this product to retain the history file index entry indefinitely, or until it is manually deleted. Tapes managed by CA Dynam/TLMS and created with EXPDT(99.000) will be kept in permanent status as long as the data set name remains cataloged. Once the data set is uncataloged, the tape is placed into scratch status and its corresponding SCDS entry is deleted. If the history files are created with EXPDT 99.000 or 99.366, the SCDS must be allocated with enough space to hold all the index entries for these history files, as well as new entries created due to the SMF DUMP process. See Calculating SCDS Space Requirements in Chapter 4.
Retention periods should be used rather than expiration dates, unless the SMF history files are to be kept permanently. If EXPDT(108.365) is specified on the DUMPOPTIONS control statement, the history files created in the primary pool will expire after December 30, 2008. Any history files created after that date will expire the next day and the index entry will be removed from the SCDS three days later.
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