Technical
Technical 1  Is the resource in a file format you can manage now and in the
future, or can you negotiate for the source to supply the resource
in a manageable file format?
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Technical
Technical 2
Is it technically feasible for you to transfer the material
to a more manageable file format?
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You
answered No to Technical 1 - please answer Technical 2 |
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Technical
Costs 1 Are you willing and able to accept the costs and risks of trying
to manage the resource in this file format?
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You
answered No to Technical 2 - please answer Costs 1
You answered No to Costs 1 and thus
reached a natural end to the Decision Tree. The following advice
is based on your answers to the questions.
Advice
Acquire the resource but document that long-term preservation
may not be feasible.
For further help in developing a policy on selection of digital
materials for long-term preservation please go to Guidance
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Technical
Technical 3
Is the resource available to you online or on a physical carrier?
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You
answered Yes to Costs 1- please answer Technical 3
You
answered Yes to Technical 1 - please answer Technical 3
You
answered Yes to Technical 2 - please answer Technical 3 |
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Technical
Technical 4
Are you able to collect or receive the resource via a suitable
and secure method (i.e. to acquire a copy of the resource not
just access rights to their copy)?
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You
answered Online to Technical 3 - please answer Technical 4 |
You answered No to Technical 4 and thus
reached a natural end to the Decision Tree. The following advice
is based on your answers to the questions.
Advice
Acquire the resource but document that long-term preservation
may not be feasible.
For further help in developing a policy on selection of digital
materials for long-term preservation please go to Guidance
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Technical
Technical 5
Can you store and manage the material with a suitable online
or offline storage and management system including enough available
storage space?
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You
answered Yes to Technical 4 - please answer Technical 5 |
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Technical
Costs 2 Is it cost effective for you to develop an online or offline
storage and management system?
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You
answered No to Technical 5 - please answer Costs 2
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You answered No to Costs 2 and thus reached
a natural end to the Decision Tree. The following advice is based
on your answers to the questions.
Advice
Acquire the resource but document that long-term preservation
may not be feasible.
For further help in developing a policy on selection of digital
materials for long-term preservation please go to Guidance
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Technical
Technical 6 Is the resource on a carrier that is acceptable for transfer
and/or storage, or can you negotiate for the source to supply
an acceptable carrier?
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You
answered Physical to Technical 3 - please answer Technical 6
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Technical
Technical 7
Is it technically feasible for you to transfer the resource
to an acceptable carrier?
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You
answered No to Technical 6 - please answer Technical 7 |
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Technical
Costs 3
Is it cost-effective for you to transfer the resource to an
acceptable carrier?
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You
answered Yes to Technical 7 - please answer Costs 3 |
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Technical
Costs 4 Are you willing and able to accept the costs and risks of
trying to manage the material on this carrier?
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You
answered No to Technical 7 - please answer Costs 4
You
answered No to Costs 3- please answer Costs 4
Assessment of the cost-benefit of reformatting standard storage
media will vary from institution to institution. The following
issues indicate factors which may be taken into account before
deciding whether it is cost-effective:
- Stability of format (e.g. optical disks tend to be
more stable than floppy disks*)
- Storage capacity of the
media
- Volume of material
- Ease of access if high use is anticipated.
- Copyright.
Whether permission has already been received from the owner
to reformat to other offline or online
storage.
- Operational considerations (e.g. it may be
more efficient to re-format all onto a common carrier rather
than
selecting only certain categories)
*For advice on reformatting floppy disks see “Practical
Advice for Preserving Publications on Disk”, 1999,
http://www.nla.gov.au/nla/
staffpaper/woodyard2.html
See also: National Archives UK, Digital
Preservation Guidance Note 2: Selecting Storage Media for Long-Term Preservation (PDF)
Jun 2003
See also: 2.1
Strategic Overview: How much does it cost? - opens
in a new window
You answered No to Costs 4 and thus reached
a natural end to the Decision Tree. The following advice is
based on your answers to the questions.
Advice
Acquire the resource but document that long-term preservation
may not be feasible.
For further help in developing a policy on selection of digital
materials for long-term preservation please go to Guidance
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