On Thursday, 07/03/2008 at 09:39 EDT, Dave Yarris <[EMAIL PROTECTED]> wrote: > We are currently running a single z/VM 5.3 (701) system on Hitachi 7700E disk, > set up as 3390-3, connected to a z9BC via ESCON. This has worked well, but the > limited disk storage has kept us from growing past the 15 RH Linux guests. We > are in the process of installing a new Hitachi USP V that will give us the > storage capability to use some M9 and M27 for some of the new servers that are > planned. With those volume sizes I am anticipating that we will need to
> utilize PAV for some applications. We don't have any prior experience or > knowledge other than what the manuals tell us. Everything I have found on the > subject so far has been pretty generic. We were looking at Hyper-PAV or > possibly dynamic. Will dynamic PAV work for z/VM 5.3? Can anyone share any > experiences or their particular application? (Volumes? Minidisks? Particular > applications i.e. DB2, etc?) Appreciate any and all input. Before you go to all that work, verify that you have a problem that PAV will solve: I/O queuing in CP on the RDEV. Your performance monitor will tell you that. Alan Altmark z/VM Development IBM Endicott
