OVRTAPF/CPYFRMTAP command parameters

[Ed_DeRyder@xxxxxxxxxxxxxx]

Greetings, all.  It's been awhile since I've done tape file processing, so I
have a few "please help me with my memory".  Naturally, the IBM online manuals
didn't help.

Both OVRTAPF and CPYFRMTAP can use such parameters as the device, tape reels
(label type & number of reels), record length, block length and block format.
My questions are:

1.  If I am using an unmodified system-supplied tape file such as QTAPE or
QSYSTAP is it necessary to do an OVRTAPF prior to a CPYFRMTAP?
2.  If I don't specify OVRTAPF will CPYFRMTAP work if I specify parameters that
do not match the values defined in the tape file?
3.  If I must specify OVRTAPF it is a safe assumption that all of the *TAPF
defaults in CPYFRMTAP will utilize the overrides, also assuming the override
scopes are set correctly?

I don't have a tape in the system right now to try this with, otherwise I'd be
doing the research myself.

Thanks in advance!

Ed De Ryder
Ed_DeRyder@kleintools.com


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