Repositories and Preservation

Ed PinsentULCC/LEAP IRM Workshop

15 June 2012

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Why preservation?

• Long-term value

• Legal needs – compliance or rights

• Business needs

• Cost a lot to produce

• Enhance reputation

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May depend on…

• Institutional commitment to doing it

• Mandate to preserve

• Business drivers

• Advocacy for “best practice”

• “We are all in the business of knowledge and its preservation”

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Open Archival Information System (OAIS) Reference Model

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EPrints and PRESERV

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FEDORA and OAIS

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Ingest procedure…+ tools

1. Fixity generation – MD5 checksum

2. Virus checking - AVG

3. Format identification – DROID + PRONOM

4. Format validation - JHOVE

5. Environmental metadata extraction - NLNZ Metadata Extract Tool

6. Format specific metadata extraction - NLNZ Metadata Extract Tool

7. Store in digital archive – software script

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Integrated tools and plugins

• DROID (Digital Record Object Identification) - an automatic file format identification tool– Looks up live data held in PRONOM– Outputs definitive file format profile, size,

extension + checksum

• EPrints plugin– Automates process– Stores in database as metadata