International Business Machines Corporation
COMPARE PROCESSING USING REPLICATION LOG-INJECTED COMPARE RECORDS IN A REPLICATION ENVIRONMENT

Abstract:

Compare processing using replication log-injected compare records includes receiving compare records from a source system having a source datastore in a replication relationship with a target datastore of a target system, the compare records corresponding to selected source objects of the source datastore, and the compare records being received in compare transaction(s) to be performed by the target system for determining whether data of the target datastore is consistent with the selected source objects, and commencing compare processing to perform the compare transaction(s), the compare processing including processing a compare record of the received compare records, which includes identifying a selected source object identified by the compare record, attempting to locate and read a corresponding target object of the target datastore, and further processing the compare record based on whether the corresponding target object is located and read by the attempting.