Ted MacNEIL wrote:
I don't claim to speak for Ted, but I took his comments as being along
the lines of what I mentioned earlier - that the tasks of setting up the
environment after the snaps are done isn't an immediate thing.
Exactly.
As I said, "How soon can I use the snap'd data?"
That is the key!
Is a snap IPLable?
Yes, as other answered, it is IPLable, it is backup-able, copy-able,
etc. Just like any other volume. Immediately. No wait for anything.
There's also some disadvantage, not mentioned here: That copy could kill
your performance. "Could kill" doesn't mean "always kill". It depends.
Snapshot, when is done, cost nothing (in terms of performance). However
if you plan to write the copy extensively, it can hurt.
FlashCopy has two flavors, one of them copy tracks in the background,
so, it hurts even if you don't do anything with the copy.
MMV, etc. I described my observations.
--
Radoslaw Skorupka
Lodz, Poland
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