You (or your managenment or your auditors) may want separate and dedicated production and test environments, where the whole production platform has to meet strict change control, security, or C&A standards. When there are lots of hurdles to jump, political or otherwise, its sometimes easier to just set up LPARs which are more widely understood, and presumed to be more secure and isolating, than explain what a VM hypervisor does under the covers.
> -----Original Message----- > From: The IBM z/VM Operating System > [mailto:ib...@listserv.uark.edu] On Behalf Of Leland Lucius > Sent: Thursday, December 03, 2009 7:45 PM > To: IBMVM@LISTSERV.UARK.EDU > Subject: Re: WWBD - One large VM LPAR or multiple smaller ones? > > Marcy Cortes wrote: > > Isn't there a 256G limit to a z/VM lpar? > > > Yepper. I just threw those number out to make the math easier. ;-) > > > Anyway, I'd split it to 2 or 3 as well. It will make your > life easier for VM maintenance if you have servers that can't > go down much. > > That's exactly what I was thinking. I just wanted to make > sure I wasn't > being more of an idiot than normal. :-) > > Thanks much, > > Leland >
