However I noticed every tape volume I read was automatically added to

RMM database, which I don't want.

Q: How to prevent it?

>>Don’t read the tapes directly, FTP the contents from one environment to the 
>>other.   Separately, Doing what you did is likely a security exposure if you 
>>are not sharing or propagating the RACF permits between the separate 
>>environments, where you have access to the DSN on the local system, but not 
>>on the remote system.

Dave Jousma
Vice President | Director, Technology Engineering





From: IBM Mainframe Discussion List <[email protected]> on behalf of 
Radoslaw Skorupka <[email protected]>
Date: Tuesday, April 8, 2025 at 8:09 AM
To: [email protected] <[email protected]>
Subject: RMM automatically adds the volumes



The following scenario:

VTS shared among several z/OS monoplex systems. Each system has it's own

set of tape categories in DEVSUPxx.

I had to read multiple tape volumes from other system.

So I temporarily added the volumes to the VOLCAT, disabled "REJECT

ANYUSE(*)" in EDGRMMxx and I read the tapes successfully.



However I noticed every tape volume I read was automatically added to

RMM database, which I don't want.

Q: How to prevent it?



The only method I'm aware now is to stop RMM and reset the subsystem,

but it is not good idea, because some other users should be able to

access the tapes under RMM control.



BTW: a tape must be read to be added to RMM db. I did not read few tapes

previously added to the VOLCAT and those tapes were not added to RMM.



BTW2: I deleted the volumes automatically added to RMM.





--

Radoslaw Skorupka

Lodz, Poland



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