On Thursday, 10/23/2014 at 04:56 EDT, Dennis Foreman <[email protected]> wrote: > My CMS PROFILE EXEC does CP SET RUN ON, so it is always on. Then I boot > Linux. I let Linux finish the boot and it then displays the usual Linux > login prompt. The monitor says RUNNING, not CP READ. I them close the > window. SSH to the Linux VM now fails. I log back in on 3270, hit enter and > the Linux prompt re-appears (so Linux did not get killed). Again, no CP > READ. Now I do #CP DISC. SSH works now. > > So Alan's comments about the system timer don't seem to apply. The timer > MUST be greater than 0, because I can wait a while (haven't tried to see > just how long) and Linux is still alive, but the SSH fails unless I #CP > DISC. > > So why can't CP see the SSH if no READ is posted to the terminal to make CP > think it has to check the timer?
Here's data from the "force disconnect" experiments I did, confirming the behavior you are seeing. "STIMER" means that the virtual machine was put to SLEEP and the timer was started. The ones marked with "**" are suspicious. Disconnect Status SET System Reconnect Action Timeout before RUN Action Status Required ---------- -------- ----- -------- ----------- --------- OFF RUNNING OFF SLEEP CP READ BEGIN OFF RUNNING ON none RUNNING none OFF CP READ OFF SLEEP CP READ BEGIN OFF CP READ ON none CP READ none OFF VM READ OFF SLEEP VM READ none OFF VM READ ON SLEEP VM READ none ON RUNNING OFF STIMER CP READ BEGIN ON RUNNING ON STIMER RUNNING none ON CP READ OFF STIMER CP READ BEGIN ON CP READ ON STIMER RUNNING none ON VM READ OFF STIMER CP READ BEGIN ON VM READ ON STIMER VM READ none With a non-zero disconnect timeout, a lost session always suspends the guest and starts the timer. Alan Altmark Senior Managing z/VM and Linux Consultant Lab Services System z Delivery Practice IBM Systems & Technology Group ibm.com/systems/services/labservices office: 607.429.3323 mobile; 607.321.7556 [email protected] IBM Endicott ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
