On Monday, 09/20/2010 at 04:56 EDT, KEETON Dave * SDC <[email protected]> wrote: > I have a maintenance window of two days a month in which I COULD shutdown the > guest, but it'll meet with resistance I'm sure. The hope was to back it up > daily. There's a total of 42 3380 volume currently. > > As to the OS, it's VM 3.1 ... yeah, old stuff! We're migrating a customer from > their old mainframe. This is a temporary solution.
You really don't want to back up that system while it's running. You need all the data to be consistent, and that only happens when the VM system is down. Even forgetting warm start/checkpoint data, remember that the guests it is running also have data on minidisks that needs to be consistent. Alan Altmark z/VM and Linux on System z Consultant IBM System Lab Services and Training ibm.com/systems/services/labservices office: 607.429.3323 [email protected] IBM Endicott
