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ARMBCRC—Conditional recovery to a timestamp
BMC AMI Recovery Manager uses ARMBCRC to determine the RBA or LRSN of a timestamp for conditional restart recoveries and to perform full subsystem recoveries to a timestamp.
Full subsystem recoveries are often necessary for ERP applications such as SAP. The RBA or LRSN can also be used to perform coordinated disaster recoveries across multiple Db2 subsystems.
After you have established a timestamp-based recovery point using the ARMBTSI program (see ARMBTSI—Time stamp insertion), the ARMBCRC program uses the timestamp that is recorded in the CRRDRPT table to analyze the Db2 log and determine the RBA to be used as the conditional restart control record ENDRBA. ARMBCRC reads active and archive logs as needed. If the program runs near the time of the established recovery point, it will normally read only the active log.
The timestamp recorded in the CRRDRPT table must be equal to or less than the current time. If you enter a timestamp greater than the current time (that is, a time in the future), ARMBCRC bypasses the entry and issues an informational message.
ARMBCRC will convert all timestamps in the CRRDRPT table that have not already been converted.
