DSNB338I `csect-name` THE REBUILD FOR GROUP BUFFER POOL `gbpname` HAS COMPLETED SUCCESSFULLY

Explanation
 The rebuild for the named group buffer pool has
successfully completed.
 This message is preceded by message
DSNB331I which indicates the reason why the rebuild was started. 
This message is issued by each Db2 member
participating in the rebuild.

System action
 The original structure is discarded and all DB2s
that are connected to the group buffer pool begin using the new structure. 