z/VM still uses expanded storage for multi-tiered paging. It is suggested to allocate expanded storage for a smoother VM paging experience (in the event VM actually has to do any paging).
On Tuesday 23 May 2006 12:44 pm, Robert Payne wrote: > Since we implemented z/VM 5.2 about a month ago, I changed the memory > configuration to 6G main and 2G xstore. With our typical workload, > the page rate is < 1 per second. We run 2 VSE guests normally, but the > last few weeks I've also had a 3rd (z/VSE 3.1.1 in development) one > going and it's mostly idle. This holiday weekend I may be making some > I/O configuration changes for the 3590 tapes that just rolled in and > was considering (while I'm at it anyway) changing the real memory > configuration to use all 8G for main storage for VM. All VSE use NOPDS. > Performance has not been a problem, just thought about which might be > better. Yes I know, my mileage may vary. :) > > Any opinions about memory here ? > > Thanks, > Bubba -- Rich Smrcina VM Assist, Inc. Main: (262)392-2026 Cell: (414)491-6001 Ans Service: (360)715-2467 rich.smrcina at vmassist.com Catch the WAVV! http://www.wavv.org WAVV 2007 - Green Bay, WI - May 18-22, 2007
