HP3000-L Archives

October 2002, Week 1

HP3000-L@RAVEN.UTC.EDU

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Subject:
From:
Gavin Scott <[log in to unmask]>
Reply To:
Gavin Scott <[log in to unmask]>
Date:
Fri, 4 Oct 2002 09:42:02 -0700
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Gilles asks:
> Does Rosetta read Roadrunner, Orbit, and Hiback backups, as
> well as all forms of STORE (including 7x24 online Turbostore) ?

At first release Rosetta will read all forms of Orbit's Backup+,
including online modes, etc., and will read standard MPE :STORE and some
of the simpler TurboStore modes, but will not support TurboStore ONLINE
at first release.  We expect to add full TurboStore support sometime in
2003.

For Roadrunner and HiBack we have no short-term plans to support these
formats, however if the vendors of these tools do not provide their own
solution then we may investigate the engineering effort required to read
these formats, or if these vendors would like their customers to have
the data transformation benefits and Rosetta's ability to output into
Eloquence, etc., then we would be pleased to work with them to provide
an optional "frontend" tape file extract module for their format(s).

Rosetta is implemented internally as a "pluggable" tape
reading/selecting/extracting "frontend" and a transformation and output
"backend" which is where all the magic happens as far as doing data
conversions, rearranging, and output to useful native formats on the
host system.  So adding support for additional backup products is quite
easy once you have the code to pull raw files off of tape.

For people using Rosetta for migration work, they obviously have more
choice in terms of how they create their tapes than people wanting to
read archival tapes where it's a little late to specify how the tapes
should be created.  But the need for archival access doesn't become
critical until the time that you're looking at getting rid of your last
3000, whereas the migration work will all happen before this time.
Consequently we've been concentrating on the backend data conversion
functionality initially as we don't expect the market for reading
arbitrary archived tapes to ramp up as fast as that for doing active
conversions.

G.

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