On: Thu, Jun 26, 2008 at 10:35:52AM -0700,Schuh, Richard Wrote: } We have a vendor that produces a device that responds to the IPL roll } call saying it is a 3480-04; however, it only uses a subset of the tape } unit's CCWs. If these devices receive a CCW that is not in their list of } 5 that they use, bad things, such as streamed unsolicited interrupts or } Command Rejects, happen. A detach of one of the devices results in the } streamed unsolicited interrupts which in turn causes the device to be } Boxed. Other commands like the forward or backward space commands or } Read Backward cause a Unit Check/Command Reject to be reflected to the } guest. I would like to be able to provide them with a complete list of } commands for which they should not cause irreparable harm to the guest. } Where can I find documentation showing the complete list of CCWs used by } real 3480 and 3490 devices?
The manuals for the control units. A summary which may be enough is on the blue/green/yellow cards. -- Rich Greenberg N Ft Myers, FL, USA richgr atsign panix.com + 1 239 543 1353 Eastern time. N6LRT I speak for myself & my dogs only. VM'er since CP-67 Canines:Val, Red, Shasta & Casey (RIP), Red & Zero, Siberians Owner:Chinook-L Retired at the beach Asst Owner:Sibernet-L
