DFSMShsm is defined as an External Data Manager (EDM).
Will DFSMShsm, as an EDM, override what is defined in scratch pool member TMOSCRxx?
Release : 14.0
Component : CA 1 Tape Management
No it will not.
As a reminder, define any EDM (e.g DFHSM) in the TMONSMxx tables in scratch pool management
Specifies the EDM ID as assigned by EDM processing. This allows a scratch subpool to be assigned to a particular External Data Manager.
See the following link for more details: