W dniu 28.10.2020 o 17:52, Charles Mills pisze:
I have two z/OS systems joined by a real fast TCP connection. (They're
actually two guests on the same VM, but seeing as how I have relatively
little knowledge or authority on the VM side of things it may be simpler to
just think of them as two adjacent machines.) This is the IBM Dallas
"Innovation Center," FWIW.
What would be the best way of replicating all of the "user" UNIX files from
one to the other? I can of course identify the "user" files by their highest
directory name. I want to propagate all of the permissions and so forth. Is
there a good way to do that?
FWIW I have complete authority on the z/OS machines; I can run SPECIAL
and/or OPERATIONS if necessary.
Related question: the UNIX file system on the "old" machine is a hodgepodge
of VSAM LDS. Every time we needed a bunch more space we simply defined a big
enough VSAM LDS and mounted it as whatever we needed. There's no advantage
to keeping the existing structure, is there? I should just define a single
space big enough to hold everything? I have no idea what the future might
hold but I don't think the UNIX file inventory is going to shrink
significantly.
Thanks, all.
Charles
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.
There are many ways.
I would suggest two:
1. Just "dump" your files, whol directory subtree to a file using pax
utility. Very simple, preserves all the attributes.
Of course this is dump-restore, or dump-send_file-restore.
2. Assuming all you files reside in single filesystem, just unmount it
and dump as any other VSAM dataset. Then copy it to target system,
restore and mount.
Disadvantate: this is all-or-nothing method and even free space have to
be moved. For almost-empty filesystems it is not effective.
--
Radoslaw Skorupka
Lodz, Poland
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