Are these the only two LPARs on the z9 BC and if so, are you capping due to software cost? If they are the only LPARs on the machine and you don't have software requirements, I would not do either hard cap or soft cap. Just put the largest percentage to your production system and let it go from there. Then both will get as much as they can when the box is not 100% and when 100%, your production will be protected.
The initially capping is a hardcap as you stated which means that it will NOT go above the 80% (based on these being the only two LPARs) but also have a defined capacity of 10. If you want defined capacity (4 hour rolling limit/softcap), then remove the initial-capping and use defined capacity....However DON'T code zero. If you want production to have everything it can get and hold the test to 2 MSUs 4 hour rolling, define PRODLPAR with the 800 weight only and the TESTLPAR with 200 weight and defined capacity of 2. zSeries Sysprog On Fri, Mar 18, 2011 at 5:24 PM, Vinson Lee <v...@sdccd.edu> wrote: > We have a Z9 BC with one CPU and recently went back to hard capping from > Group Capacity because our production system started to suffer when WLM > started to enforce the MSU limit after 4 hours on a peak day. > > Before Group Capacity, the production system had no problem handling the > peak > load and was able to use a few MSUs above its defined capacity with no > slowdown after 4 hours. > > Here are our prior settings: > Group Capacity=11 > PRODLPAR initial-capping=No CPU-weight=800 Defined-Capacity=0 WLM=No > TestLPAR initial-capping=No CPU-weight=200 Defined-Capacity=4 WLM=No > > Here are our current settings: > PRODLPAR initial-capping=Yes CPU-weight=800 Defined-Capacity=10 WLM=No > TestLPAR initial-capping=Yes CPU-weight=200 Defined-Capacity=2 WLM=No > > The Test LPAR normally uses 1 MSU but needs more when there is testing > being > performed. The reason I'd like to uncheck 'Initial Capping' is to allow > the > LPARs to go beyond their 'Initial Weight' if the other LPARs are not busy. > > We got the impression from SHARE that 'Initial Capping' had to be checked > to > allow the LPAR to use the 'free' MSUs beyond the Defined Capacity. But we > don't want to do this if it means being unable to take advantage of the > 'free' MSUs or if it means WLM will start enforcing the 4 hour rolling > average MSU limit. > > Will unchecking 'Initial Capping' still allow the LPARs to go a little bit > beyond their Defined Capacity without WLM stepping in and trying to enforce > the 4 hour rolling average MSU limit? > > Thanks. > > Vince > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO > Search the archives at http://bama.ua.edu/archives/ibm-main.html > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
