Oops, I'm sorry. I was thinking about the guest. We have multiple VM's, each has 12G, 10G central and 2G Xstore. And they also have about 30G pagedisks. We have about 40 guests on two LPARs, in various configurations. One VM has about 25% page in use, with a lot of very small mostly idle guests, this VM has a 1.8:1 virtual to real ratio. We used to run in a 2.5G LPAR with a dozen guests. That proved to be a bit too small when we got more guests, especially when we got a very large and very active oracle guest.
We have various applications running, a few large oracle, DB2, some CCL, web and samba. It is a nice mix of very active guests and mostly idle guests. A DB2connect only requires a small amount, so the big questions is what you expect to get next. Both in sizes and how active they will be. If your guests are very active you could require more storage than if they are mostly idle. A database can be very active, a web or samba could very well be mostly idle. Regards, Berry. -----Original Message----- From: Linux on 390 Port [mailto:[email protected]] On Behalf Of Dazzo, Matt Sent: donderdag 2 december 2010 15:46 To: [email protected] Subject: Memory Allocation We are entering the world of zvm/linux with a z10bc-2098 n04 and 16gb total memory. I am trying to decided what to allocate to zvm/linux as a starting point. Our initial thoughts and a recommendation from our VAR was 6gb. The first application will be DB2 Conn Server and not sure what's after that. I'd like to find out how much memory other shops have allocated and what applications they support. Is our initial 6gb a decent starting point? I know the IBM standard answer 'it depends' but I am looking for some clarity and guide lines. Thanks Matt ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/ ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
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