What is your opinion/received wisdom on the following?
When digitising collections do you ensure that two masters are created, one
to be untouched for separate archival storage (to be checked/migrated as
required) but primarily for preservation rather than access; and another
working master, for example accessed on a network drive? The working master
is used for creating further surrogates for online use, file transfers, etc.
Or do you work off one master copy, e.g. an uncompressed TIFF of a
photograph, and create all your surrogates from this and not bother with the
separate storage of a master?
Second question: Digital preservation media, do people still use gold discs
as a standard or solid state hard drives, tape or similar?
I ask having had a trawl through some of the Collections Link documents but
unable to find anything specific that is based on practice (which does not
mean it isn't there, I just haven't had more time to go through all the
documents).
The nearest I have come to best practice type advice was old Re:source's
Collections Care Benchmark document but that still talks about microfilm
masters (2002).
Thanks,
Tehmina
--
Dr Tehmina Goskar, MA AMA
[log in to unmask]
http://tehmina.goskar.com/
Research Officer: ESRC Global and Local Worlds of Welsh Copper
History & Classics
Prifysgol Abertawe / Swansea University
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