On Wed, 11 Jul 2001, W. Curtis Preston wrote:
> I'm not sure that Veritas was the first one to use the term snapshot in the
> way it is being used now.  NetApps had snapshots (copy-on-write) since day
> one, and they came out in 1992.  Veritas was formed three years earlier,
> but I don't know when they started using the term.

It started with Volume Manager 1.2, released for public consumption in
ealty 1992.  The term nay also have been used with Tolerant's products,
which would take us back to the mid 80s.

> (d) That's what a lot of vendors have actually done with other things.
>      Call it whatever you want, as long as you don't pick a name that the
> rest of the
>      industry is using to mean something else.

Renaming things is nearly always a bad idea.

> I am in favor of anything that reduces confusion, and I think that one
> company using the same term to refer to two different technologies is
> confusing.

But it refers to one *concept*: a stable point-in-time image.  Whether or
not it is copy-on-write is implementation triviality.
-- 
ROGER B.A. KLORESE                                          rogerk AT QueerNet 
DOT ORG
PO Box 14309                                            San Francisco, CA 94114
"Go without hate. But not without rage. Heal the world."        -- Paul Monette