A QUERY command was issued with the CONTROLDATASETS parameter. This message is issued by DFSMShsm to describe the current CDS serialization technique in use. Possible values for technique are:

ENQUEUE

The CDSs are serialized using a global enqueue product.

RESERVE

The CDSs are serialized using volume reserves.

BOTH

The CDSs are serialized using a global enqueue product as well as volume reserves.

RLS

CDSSHR=RLS was specified in the startup procedure. The CDSs are accessed in record level sharing mode.

NON-SHARED

Not processing in a shared environment.