CHC0379W

CHC0379W  The Open operation failed for DB2 Log Cache dataset name. The DD 
statement may be missing or incorrect.

Explanation—The identified operation could not be applied to the Db2® Log cache data set. To improve performance when using multiple subscriptions to replicate multiple streams of data at the same time, Db2 Log records can be retrieved from caches that are managed by CDC Replication. CHCCACHE is the name of the Level 2 Db2 Log cache data set. CHCCHCTL is the name of the Db2 Log cache control data set. The DD statement for one of these data sets in the CHCPROC JCL is incorrect or missing.

Message Variables:

name—The name of the data set.

Message Destination—Product administration log

System Action—If this message was generated during CDC Replication initialization, Db2 Log caching is disabled and the caches are placed in an inactive state. If an attempt to read a record from the cache is unsuccessful, the record will be read from the Db2 Log instead. If an attempt to write a record to the cache was unsuccessful, the record is not placed in the cache and it will have to be retrieved from the Db2 Log instead.

Operator Response—None

Client Administrator Response—Verify the DD statement in the CHCPROC JCL to ensure it exists and is correct.