Peter, the last time I recall defining a tape subsystem using MTL=NO was the old IBM TS33xx (IIRC) tape subsystem that was a actual tape robotics system, not a virtual subsystem. The last 2 VTS's I've defined (IBM,EMC and Luminux) all required us to define them as MTL=YES Carmen Vitullo
-----Original Message----- From: Peter <[email protected]> To: IBM-MAIN <[email protected]> Date: Tuesday, 13 April 2021 1:03 PM CDT Subject: MTL=YES or NO Hello Just curious about this parameter in IODF and I understand some of the tape subsystem running in zOS needs this value to be defined in IODF. Any specific reason why MTL=NO is required for the subsystem responsible for tape backup (virtual ) Peter ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
