IBM Mainframe Discussion List <[email protected]> wrote on 03/03/2008 02:45:51 AM:
> "Knutson, Sam" <[EMAIL PROTECTED]> wrote in message > news:<[EMAIL PROTECTED]>. > . > > Hi, > > > > An interesting APAR noted in SHARE session 2815 Real Storage Manager's > - > > Functional Evolution for Scalability and Performance. OA20749 is still > > open. > > > > Large Page Datasets APAR OA20749 > > > > * OA20749 for z/OS V1.8 and V1.9 will remove the 4G limit for paging > > datasets - The maximum size for a paging dataset with APAR OA20749 is > > 44.9G (which is about 64K cylinders) > > > > * The maximum number of cylinders that are supported for a paging > > dataset is 65,520 (64K cylinders). > > > > * Now on a 3390 we have 180 slots/cyl this gives us a total of > > 11.793,600 slots which corresponds to a paging dataset size of 44.9G > > > > Best Regards, > > > > Sam Knutson, GEICO > > Is there any information about the solution? E.g. how many PAV's does > ASM reseve for the large pgds? 1 per nn slots? Nothing has changed with regard to ASM's use of PAV. 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
