On Tuesday, 09/08/2020 at 02:13 GMT, Mark Post <[email protected]> wrote: > In short, no. When a z/VM guest is logged on, it is created using what > is in the currently active CP directory. Any and all limitations, such > as the maximum amount of virtual storage, number of virtual CPUs, are > encoded in the control blocks for that guest. Any attempt to exceed > those limits will be denied. The only way to get the new, "larger," > limits will be to log the guest off and back on again.
Your paint brush is a bit too large with "any and all", Mark. I would say that some things are cast in concrete at logon, and others only need a directory update. Which one is which takes a bit of detective work. Things that aren't dependent on architecture can usually be changed on the fly. Those where the OS can 'sense' the possibilities are often constrained until new architecture is available to relieve it. But that new architecture may not be virtualized and so the old restriction remains. Alan Altmark Senior Managing z/VM and Linux Consultant IBM Systems Lab Services IBM Z Delivery Practice 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://www2.marist.edu/htbin/wlvindex?LINUX-390
