> -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] On > Behalf Of Vince Getgood > Sent: Wednesday, July 06, 2016 6:33 AM > To: [email protected] > Subject: Re: DFHSM CDS backup versions > > So, having restored all the systems we had backed up, I can now re-visit this. > > <snip> > Is dfHSM defined as an EDM (External Data Manager) to dfRMM? > > If not, there is a section in the dfHSM Installation and Customization Guide > on how to do > this. > </snip> > > Allan, > I can't find a dfHSM Installation and Customization Guide. I do have a > DFSMShsm > Implementation and Customization Guide, but can't find anything in there > about making > RMM an EDM. > > It does however say things like "DFSMShsm invokes the EDGTVEXT exit to > communicate > the status of empty tapes to DFSMSrmm" and I also fond "DFSMSrmm uses the > EDGDFHSM programming interface to release DFSMShsm tape volumes. The interface > between DFSMShsm and DFSMSrmm is automatically in place when you install > DFSMS, > so you do not need to take any action to activate it or to call it." > > So that seems to say that RMM knows all about HSM, and there is no need to > define HSM > to RMM. Can someone please confirm this assumption?
HSM and RMM are independent products. Some shops use RMM with FDR instead of HSM. Others use HSM with CA-1 instead of RMM. The two products will not talk to each other unless you tell them to. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
