On Friday, 07/18/2008 at 10:52 EDT, "McKown, John" <[EMAIL PROTECTED]> wrote: > IIRC, you can erase a tape using a specific CCW called, cleverly, DSE. > If you can write a small CMS program which uses this CCW, then you can > ATTACH the drive to your CMS user, mount the tape, then run the program. > For a 3490E drive, this is a CCW opcode of x'97'. You need to use > command chaining to put a NOP command in the CCW string after this one. > I don't have such a program. I also don't have access to a z/VM system. > > If you have access to a z/OS system, then most tape management software > has this facility. With CA-1, this is the CTSDEU program.
It sure would be nice if there were a requirement against z/VM to provide such a function. Everyone keeps asking everyone else, but no one ever asks *us*. (sniff) Alan Altmark z/VM Development IBM Endicott
