CMS will free its storage after the command is complete. However, do a peek on a very large reader element, such as a OS dump, and CMS just might use up all of its storage, just like any other guest might.
It isn't a matter of time, it is a matter of usage. Tom Duerbusch THD Consulting >>> Thomas Kern <tlk_sysp...@yahoo.com> 9/15/2009 12:48 PM >>> The difference between CMS and Linux in this case is just a matter of time before problems occur. Linux wants to use all of its storage early, CMS uses all of its storage over time. Both will use all of their storage eventually. CP is built to overcommit storage. It just lets you REALLY overcommit storage. But it would be nice if there was some sort of sanity check in there somewhere. /Tom Kern On Tue, 15 Sep 2009 13:12:38 -0400, Bruce Hayden <bjhay...@gmail.com> wrote: >The problem isn't that you did an IPL, it is that you IPLed Linux. An >IPL of CMS in an 8 TB machine doesn't have any delay or cause a >problem: > >def stor 8t >STORAGE = 8T >Storage cleared - system reset. >i cms >z/VM V5.4.0 2009-07-13 11:58 > >Ready; T=0.01/0.01 13:06:21 >q v stor >STORAGE = 8T >Ready; T=0.01/0.01 13:06:26 >q stor >STORAGE = 4G CONFIGURED = 4G INC = 128M STANDBY = 8G RESERVED = 0 >Ready; T=0.01/0.01 13:06:57 > >An IPL of ZCMS blows up, though. Maybe they didn't test it with that >large storage. > >On Tue, Sep 15, 2009 at 12:02 PM, Marcy Cortes ><marcy.d.cor...@wellsfargo.com> wrote: >> See a thread on this list with subject "Sanity check?" from Oct 2007 for what happened when I did the same thing ;) >> >> You probably filled page space. >> >> I still think IBM should refuse to IPL a guest that will cause such harm. >> >> >> Marcy >> > > >-- >Bruce Hayden >Linux on System z Advanced Technical Support >IBM, Endicott, NY