The 256 slot limit will force me to get larger disks. We have been using mod3s. I guess I will ask for enough mod9s to replace the existing and add additional space.
Regards, Richard Schuh > -----Original Message----- > From: The IBM z/VM Operating System > [mailto:[EMAIL PROTECTED] On Behalf Of Marcy Cortes > Sent: Thursday, November 13, 2008 11:41 AM > To: [email protected] > Subject: Re: Page Space > > Sounds like you'll be needing a boatload of paging DASD. > Don't forget you only get 256 cp owned slots. > So maybe you want to use mod 9. > > > > Marcy > "This message may contain confidential and/or privileged > information. If you are not the addressee or authorized to > receive this for the addressee, you must not use, copy, > disclose, or take any action based on this message or any > information herein. If you have received this message in > error, please advise the sender immediately by reply e-mail > and delete this message. Thank you for your cooperation." > > > -----Original Message----- > From: The IBM z/VM Operating System > [mailto:[EMAIL PROTECTED] On Behalf Of Schuh, Richard > Sent: Thursday, November 13, 2008 11:38 AM > To: [email protected] > Subject: Re: [IBMVM] Page Space > > We run 24 hours/day, there is no convenient time. And the > test is just a precursor to daily demand. By the end of > January, every TPF guest will be of the 3-8GB variety, > probably a few as big as 32G. The latter will be scheduled > for weekends when demand is lower. > > Regards, > Richard Schuh > > > > > -----Original Message----- > > From: The IBM z/VM Operating System > > [mailto:[EMAIL PROTECTED] On Behalf Of O'Brien, Dennis L > > Sent: Thursday, November 13, 2008 11:26 AM > > To: [email protected] > > Subject: Re: Page Space > > > > Or you schedule your test at a time when you can take a sufficient > > number of your normal guests down. > > > > Dennis > > > > Bitterly clinging to my guns. > > -----Original Message----- > > From: The IBM z/VM Operating System > > [mailto:[EMAIL PROTECTED] On Behalf Of Marcy Cortes > > Sent: Thursday, November 13, 2008 10:29 > > To: [email protected] > > Subject: Re: [IBMVM] Page Space > > > > You didn't say how much real memory you have. Presumably less than > > 60G > > :) > > > > You either add enough real memory or you add enough page > space to hold > > > them all (at less that 50% occupied. I don't think there > are miracles > > > available in this scenario. > > > > > > > > Marcy > > > > "This message may contain confidential and/or privileged > information. > > If you are not the addressee or authorized to receive this for the > > addressee, you must not use, copy, disclose, or take any > action based > > on this message or any information herein. If you have > received this > > message in error, please advise the sender immediately by > reply e-mail > > > and delete this message. Thank you for your cooperation." > > > > > > > > ________________________________ > > > > From: The IBM z/VM Operating System > > [mailto:[EMAIL PROTECTED] On Behalf Of Schuh, Richard > > Sent: Thursday, November 13, 2008 10:20 AM > > To: [email protected] > > Subject: [IBMVM] Page Space > > > > > > > > Yesterday, we were running a test using 17 z/TPF virtual > machines, 3GB > > > each. This was in addition to the normal load on the system. During > > the test, which was not moving along very quickly, nothing was, I > > noticed that our page packs were 100% allocated, up from the usual > > 10%. This stood out as a smoking gun, verified by watching the > > performance improve as each of the ids in the test logged off. I > > presume that this should have been expected; however, other matters > > have kept us so busy that we did not do the math. I imagine > that the > > one way to avoid this type of problem, we expect a peak of > > approximately 150 concurrent z/TPF systems in the coming year, is a > > massive injection of paging DASD. Is this the only answer > or are there > > > any other steps that we can take to help? > > > > Regards, > > Richard Schuh > > >
