Dave If you made the DASD mini-disks instead of DEDICATED you can try VM mini disk caching.
I am pretty sure PAV is z/OS only... All the regular tuning things can reviewed also - VSAM buffer tuning - - Sequential file blocking - Application s/w tuning - VSE or VM paging? etc etc Eric At 04:18 PM 3/19/2007, you wrote: >I was recently reviewing this: >http://www.vm.ibm.com/storman/pav/pav2.html >at the behest of my manager. He is looking to extend the life of and >better utilize our current hardware. We are running z/VM 5.2 on a z800, >with a single z/VSE 3.1.2 guest, using Shark 2105-F20 disk. We currently >use DEDICATED volumes for z/VSE. I am not necessarily against changing >these volumes to minidisks if there is a performance benefit to be >gained. However, from my reading of the above referenced article, it >appears to me that converting them to minidisks and running PAV is >going to gain me about ZERO, since all I have accessing the disks is a >single z/VSE guest. > >Is this true, or am I missing something and should look into PAV and >minidisks for my single z/VSE guest? It looks to me that multiple z/VSE >guests sharing volumes on minidisk _may_ benefit from PAV under VM, but >a single one won't. Eric Schadow Mainframe Technical Support www.davisvision.com ------------------------------------------------------------------------ The information contained in this communication is intended only for the use of the recipient(s) named above. It may contain information that is privileged or confidential, and may be protected by State and/or Federal Regulations. If the reader of this message is not the intended recipient, you are hereby notified that any dissemination, distribution, or copying of this communication, or any of its contents, is strictly prohibited. If you have received this communication in error, please return it to the sender immediately and delete the original message and any copy of it from your computer system. If you have any questions concerning this message, please contact the sender. ------------------------------------------------------------------------
