On Mon, 22 Dec 2008 09:11:42 -0500, Warner Mach wrote:

>Around 15 years ago I was involved in disaster-recovery
>from the operating system side - the MVS days. I remember
>that, at that time, I used to map the installation device
>addresses to the device addresses at the DR site. This
>meant that we could use our own device addresses and our
>own esoteric names without change. This was a normal part
>of MVS IO gen, etc. and did not require VM.
>  .
>We are now involved in disaster-recovery at my present site.
>When I describe this facility to the Z/OS operating system
>guy he gives me a funny look. I scanned though some of the
>present manuals and do not see any reference to this kind
>of facility. Was the ability to do this kind of mapping lost
>somewhere along the way? I know that I did not dream it.

Are you thinking of defining the device names (sometimes called device
address) at your D/R site to match the device names at your own site?  This
is done in the IODF.

-- 
Tom Marchant

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