CBR1710I Tape object waiting sum:

Explanation
  ---- OBJECT TAPE REQUESTS WAITING FOR PROCESSING ----
READS   WRITES
aaaaaa  bbbbbb

 The operator
has entered one of the following commands:  MODIFY OAM,QUERY,WAITING
MODIFY OAM,QUERY,WAITING,SUMMARY
 A display of work requests
waiting for execution in the OAM address space is generated. The fields
displayed in the data line of the multi-line message are as follows:
 aaaaaa
Total number of object read requests from a tape volume waiting
to be processed. This includes read requests waiting to be processed
on this system that originated from another instance of OAM in the
OAMplex or read requests originated by this system, waiting to be
processed by another instance of OAM in the OAMplex.
bbbbbb
Total number of object write requests to a tape volume waiting
to be processed.

 Note: All counts above are a snapshot in time
count and the numbers can change quickly.

Source
 Object Access Method (OAM)

Routing Code
 -

Descriptor Code
 5,8,9