Timothy Sipples/Chicago/[EMAIL PROTECTED] wrote on 03/01/2006 04:42:57 PM: > >Just about choked on my beer ... > >" Support is planned for up to 4 TB of real memory on a single z/OS > image. > >This is expected to allow the use of up to 512 GB of real memory on a > single > >z/OS image on IBM System z9T servers and up to 256 GB on z990 servers." > >Yep - definitely need that. Well, maybe ... > > Yes, this will come in handy for some customers. Think of the new > workloads here: Java (e.g. WebSphere Application Server, Java batch), DB2 > (esp. business intelligence workloads), XML parsing/generating, etc., on a > massive scale. There are occasions when going past 128 GB could be > helpful, even for a single image. > > The 4 TB is an interesting figure. That's adding 5 bits worth of address > range to the current 128 GB figure, and 5 bits is...odd. Maybe that's > merely a testing limit? I have no idea.
4TB is just internal implementation algorithm/data structure constraints in z/OS (as was current 128GB limit for earlier releases). The current testing limit is the size of the largest LPAR that you can create on a z9-109, which is about 512GB - size(HSA). Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
