Actually, Mike, he may be better off (a bit, at least) by setting STORBUFF 300 300 300.
On 09/16/2010 09:58 AM, Mike At HammockTree wrote: > Since the STORBUF setting is exactly the values I suggested, I suspect > you applied the > SET SRM STORBUFF 300% 250% 200% > prior to doing the > Q SRM > > With the current setting for STORBUFF, are you still experiencing the > problem? > > Also, on a related note, what does your zVM paging system look like? > The output of > CP Q ALLOC PAGE > will provide the information > > Mike > ----- Original Message ----- From: "Daniel Tate" <[email protected]> > To: <[email protected]> > Sent: Thursday, September 16, 2010 10:52 AM > Subject: Re: CP unresponsive on certain guests > > > Output of Q SRM > > q srm > IABIAS : INTENSITY=90%; DURATION=2 > LDUBUF : Q1=100% Q2=75% Q3=60% > STORBUF: Q1=300% Q2=250% Q3=200% > DSPBUF : Q1=32767 Q2=32767 Q3=32767 > DISPATCHING MINOR TIMESLICE = 5 MS > MAXWSS : LIMIT=9999% > ...... : PAGES=999999 > XSTORE : 0% > Ready; T=0.01/0.01 09:49:05 > > > On Wed, Sep 15, 2010 at 5:47 PM, Dave Jones <[email protected]> > wrote: >> Hi, Daniel. >> >> The answer to your first question is to use the CP FORCE command (HELP >> CP FORCE will tell you all about it.) The VM user id issuing the FORCE >> command needs to have privilege class A as well. Usually this is done >> from either MAINT or OPERATOR. >> >> The answer to your second question is a bit more difficult, I'm afraid. >> As Marcy has already suggested, what does a Q SRM command show? My first >> guess would be that your SLES11 guest is falling into Q3 and never given >> an opportunity to run. >> >> To find out *why* the guest is not able to run, you need the services of >> a good z/VM performance monitor.....IBM offers the Performance Monitor >> (it comes bundles with z/VM, but it's an extra cost offering) and >> Velocity Software (http://www.velocity-software.com/) has a very good >> suite of products as well. IMHO it' practically impossible to run a >> modern production grade z/VM-zLinux system without a good performance >> monitor to help solve issues like the one your having now. >> >> On 09/15/2010 05:14 PM, Daniel Tate wrote: >>> We're starting to run apps on the servers now. From time to time a >>> guest will become unresponsive - to be more precise, ,the CP will not >>> respond to commands, and neither will the guest OS (SLES11). not >>> even #CP LOGOFF is acknowledged. from another login, CP INDIIC LOAD >>> shows no appreciable load. >>> >>> Two questions from this: >>> >>> 1) how would I force a logoff of a user from another user? Is this >>> possible? >>> 2) if we are not paging and the IFLs are not loaded (2-3% utilization >>> as a matter of fact) what could the bottleneck be? >>> >> >> -- >> Dave Jones >> V/Soft Software >> www.vsoft-software.com >> Houston, TX >> 281.578.7544 >> > -- Dave Jones V/Soft Software www.vsoft-software.com Houston, TX 281.578.7544
