You might be better off to look at "Mainframe as a Service" from one of
the smaller providers that can keep it on the z9 but attach it to newer
dasd.
The company I work for specializes in such, but you did not give enough
information to even know if you are candidate for our services.
For example, I currently support one client still on OS/390, but I am
running him on a z10 attached to a 1 year old DS8880.
(FYI, We only use real z-boxes, this is not some M$ emulated platform.)
If you want to talk, contact me off-list.
Tony Thigpen
Nightwatch RenBand wrote on 6/25/20 3:57 PM:
We have a 10 year old Hitachi RAID box which Hitachi tells us is going out
of support. Only two applications are left of the old z9 machine but they
are critical. Latest estimate from programmers is that they will migrate
off in 12 to 18 months.
So, based on you folks experience, is it reasonable to pay extra for an
extended contract and keep the old box? I know there are other options,
but this appears to be the lowest cost, and easiest. The question is about
how older RAID boxes hold up in general.
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