DFS4179E FDR FOR (imsid) IRLM request FAILED, RC=nn, REASON=xxxx
Explanation
The IRLM request request issued by the Fast DB Recovery region failed with return code nn and reason code xxxx.
System action
The Fast DB Recovery region is terminated.
Operator response
See the IRLM request return and reason code information to determine the cause of the error. After correcting the error, restart the Fast DB Recovery region.