You suggest a performance monitor? Never in a million years :-) Regards, Richard Schuh
> -----Original Message----- > From: The IBM z/VM Operating System > [mailto:ib...@listserv.uark.edu] On Behalf Of Rob van der Heij > Sent: Wednesday, January 27, 2010 2:26 PM > To: IBMVM@LISTSERV.UARK.EDU > Subject: Re: mdcache > > On Wed, Jan 27, 2010 at 10:02 PM, Phil Tully > <tull...@optonline.net> wrote: > > > Is there something that will block an mdisk from being cached? > > Yes, lots. Apart from the full pack disks as suggested, it's > more complicated than that. There's track- and record-MDC and > differen restrictions for being eligable. In most cases only > reads are cached. > And some behavior will flush the entire mini disk from MDC. > And CP prevents a single user from monopolizing the resource, > so users are normally limited by how much that can insert at > a given time. > > Did I suggest a performance monitor to answer such questions... ;-) > > -- > Rob van der Heij > Velocity Software > http://www.velocitysoftware.com/ >
