It looks like we are almost to the point of implementing a production linux image which will be an oracle back-end for a public-access webserver. Naturally the concept of multiple virtual machines on a single physical machine is a new concept for the network/security/sysadmin types. They are used to a physical tangible box that you can put in a close and lock the door.
There is some concern expressed by these people about information `leakage' between virtual machines. My boss has proposed separate lpars instead to `harden the walls'. I desperately want to talk him out of this course of action.
What I need is some published verbiage discussing the `boundaries' between virtual machines and citations (if any) where multiple lpars running z/vm) are preferable over a a single lpar running z/vm (disregarding any performance aspects).
Thanks, Greg Smith
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