CBR6404I Tape drive dynamic allocation failed for ddname=`ddname`, volser=`volser`. {OAM | SVC99} return code=`return-code`, reason code=`reason-code`.

Explanation
 An error during MVS™ dynamic
allocation prevented successful tape drive allocation. The ddname ddname, volser volser, return code return-code,
and reason code reason-code are internal values
which are included in this message for diagnostic purposes only.

System action
 The OAM request which triggered the allocation
request is failed.

Operator response
 Notify the system programmer.

System programmer response
 If the return and reason codes are
from SVC 99, see preceding CBR6401I and CBR6402I messages for more
information about this dynamic allocation error. For additional information
on the return codes, information reason codes and error reason codes
from the dynamic allocation/unallocation service, see z/OS MVS Programming: Authorized Assembler Services Reference ALE-DYN. 

Source
 Object Access Method (OAM)

Routing Code
 2,3,5

Descriptor Code
 4

CBR6404I Tape drive dynamic allocation failed for ddname=ddname, volser=volser. {OAM | SVC99} return code=return-code, reason code=reason-code.

Explanation

System action

Operator response

System programmer response

Source

Routing Code

Descriptor Code

CBR6404I Tape drive dynamic allocation failed for ddname=`ddname`, volser=`volser`. {OAM | SVC99} return code=`return-code`, reason code=`reason-code`.