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Daniel, The BMX option in the directory entry allows the virtual channels in the MVS virtual machine to be used in block multiplexor mode.? This means that in many cases, multiple i/o operations can

I suspect JES2 won't end normally because it's waiting for the card reader to become ready. Do a $DU after a regular $PJES2. If I'm right, it'll show RDR1 DRAINING. What I do for this is have a file

2 other MVS under VM370 issues I've come upon when shutting down. JES2 won't stop normally.? I have to do a $p jes2,abend and then reply with purge to the operator message.? Then JES2 will end.

I sent two screenshots to you directly as I believe from past experience that the list will strip them off the emails. The first one shows entering the command at a READY prompt, and the second shows

Hi Frank, It sounds like you have the correct setup. Can you capture screen images or describe the exact responses on the screen to help in the diagnoses? Bob Bolch wrote:

I am using ZOC on an Apple Silicon mac. The command is: ee user direct (as maint) I previously had EE working with an earlier sixpack system, accessing it via ZOC. Emulation is set to 3278-2 (80 x

My initial query in the thread " MVS under VM/370 and 3390 DASD" and the conversation has moved into performance tuning, so I'll start a new thread. Regarding @Bob Polmanters quite helpful info... I

Hi Frank, Please show the exact command you are typing, and tell us the terminal emulator you are working with. With your setup, does the EDIT command work? Thanks/Bob Bolch wrote:

I am setting up a new CE 1.2 installation for the first time and when I try to run EE I am getting the message: <{>}T Please press ENTER to cancel fullscreen operation Are there steps I need to take

Hi, Tony, Adding to this thread ... Similar to Amdahl's VM/PE, IBM's VM/SP and VM/HPO added some additional options, if you had suitable hardware, such as a 3081. See:

Daniel, I have not specifically validated the two patches myself for TK5.? However, I do know that Rob Prins is including those two patches pre-installed on the TK5 Update 2.? I do not know when

Thanks for the tips. ECPSVM was/is turned on in the Hercules config. I did add the other 2 CP commands after IPLing MVS and it did make a small difference. But overall, I seem to be suffering the

Daniel, The one tuning tip that will make the largest beneficial impact is to make sure you are running with ECPS enabled.? In your Hercules configuration file, ensure that you have a line that says

On Sat, 25 Nov 2023 at 23:58, Daniel L. Srebnick via groups.io <dan= [email protected]> wrote: [...] > MVS is extremely slow. An assembler complie, link and go job that takes 3 > seconds under

Hi Daniel, The setup provided on VMCE is for TK4, and you are using the newer TK5. I don't use mvs here so I don't keep up with those changes. The disks seem to have been rearranged, and it looks like

I am afraid I can't help you here. I have the same configuration as you and the execution times are slower but reasonable, yet this for the little use I have. :-(? I rarely run TK5 under VM/370.

Rene: Thank you.? This did for work me. MVS is extremely slow.? An assembler complie, link and go job that takes 3 seconds under native MVS takes 28 seconds under MVS as a VM guest. Are there

Here's my workaround. Use 09A0 3390 mvs/dasd/tk5res.390 09A1 3390 mvs/dasd/tk5cat.391 09A2 3390 mvs/dasd/tk5dlb.392 in the Hercules configuration file, and change the DEDICATE of MVS accordingly:

Hi Bob: From my hercules.conf: # # TK5 DASD # 0390 3390 mvs/dasd/tk5res.390 0391 3390 mvs/dasd/tk5cat.391 0392 3390 mvs/dasd/tk5dlb.392 0380 3380 mvs/dasd/int001.380 0190 3390 mvs/dasd/tso001.190 0191

Hi Daniel, The VMCE release has an MVS directory entry definition in place for the latest version of a TK5 system. It uses DASD defined as "unsupported by VM" for the 3390 MVS disks. If you have