Building an Electronic Records Archive at the National Archives and Records Administration Recommendations for Initial Development (2003) / Chapter Skim
Currently Skimming:
3 Specific Lessons to be Learned from the SDSC Demonstration Projects
3 Specific Lessons to be Learned from the SDSC Demonstration Projects
Pages 19-23
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From page 19... ...
The current data archive has a capacity of about 400 TB, in which tape robots move data between tape cartridges of roughly 20 GB capacity and a 1 .6-TB disk cache. A high-speed network gateway delivers up to 90 MB/sec transfer rates to computational nodes via networks of various kinds.
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data in the database. Expressing the map data in XML permitted building quite simple presentation viewers using commercial tools.
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The writings of the electronic archive community make it clear that a universal metadata set is extremely unlikely. The SDSC projects exploited the ability to tailor metadata sets for each collection.
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Also, the SDSC project demonstrated the XML approach only for simple record formats, such as electronic mail messages, and tackled neither complex but increasingly common— commercial record types, such as presentations with animation, nor the issues associated with preserving records that contain scripts or executable elements.
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From page 23... ...
For example, HESS does not provide facilities for replication (redundant copies must be created explicitly) , for automatically refreshing the storage media (media refresh has been done under HESS, but it requires explicit management by staff)
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