Date post: | 14-Jan-2016 |
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Plan
• VITAL• Fedora• Implementation• Preservation• Projects
What is VITAL
• Commercial Repository• Supplied by VTLS• Fedora with add-ons– Front End– Client– Support
What is Fedora
• Started as a research project– Cornell University– University of Virginia
• Prototype 1997• Flexible Extensible Digital Object Repository
Architecture
Implementation
• Fedora Pilot Jan 2005 – 2006– Looked at content streams• Video• Microsoft Office documents• Digitised Images
• Investigated OAIS• Looked at digital preservation issues
OAIS
IngestIngest
DataManagement
DataManagement
ProducerProducer
ArchivalStorageArchivalStorage
AccessAccess ConsumerConsumerSIPSIP
AIPAIP AIPAIP
DIPDIP
Descriptive Info
Descriptive Info
Descriptive Info
Descriptive Info
OAIS
IngestIngest
DataManagement
DataManagement
ProducerProducer
ArchivalStorageArchivalStorage
AccessAccess ConsumerConsumerSIPSIP
AIPAIP AIPAIP
DIPDIP
Descriptive Info
Descriptive Info
OAIS
IngestIngest
DataManagement
DataManagement
ProducerProducer
ArchivalStorageArchivalStorage
AccessAccess ConsumerConsumerSIPSIP
AIPAIP
DIPDIP
Descriptive Info
Descriptive Info
Preservation Issues
• Storage• Migration / Emulation• Locations• Managmenet
Storage
• Digital– Bit safe
Tape StorageTape StorageOptical Tape Storage
Optical Tape Storage
Storage
• Digital– Bit safe
Access CopyAccess Copy
Tape StorageTape StorageOptical Tape Storage
Optical Tape Storage
Storage
• Digital– Bit safe
Access CopyAccess Copy
Copper RoomCopper RoomTape StorageTape StorageOptical Tape Storage
Optical Tape Storage
Storage
• Digital– Bit safe
Access CopyAccess Copy
Copper RoomCopper Room
Aberystwyth University
Aberystwyth University
Tape StorageTape StorageOptical Tape Storage
Optical Tape Storage
Preservation
• Digital:– Migration• Currently migration on ingest• Fedora Supports• Disseminators (migration on demand)
– Emulation?• VMware
Locations
• Digital– URL http://repository/item
• URLs change• Use Handles• http://hdl.handle.net/10107/1
NLW Number Object Number
Management
• Digital:
Management
• Digital:
Archive CopyArchive Copy
Management
• Digital:
Archive CopyArchive Copy
Web CopyWeb Copy
Management
• Digital:
Archive CopyArchive Copy
Web CopyWeb Copy
Thumbnail CopyThumbnail Copy
Management
• Digital:
Archive CopyArchive Copy
Web CopyWeb Copy
Thumbnail CopyThumbnail Copy
MetadataMetadata
Metadata (METS)• METS Header:
• History of METS document • Descriptive Meta Data
• Details on original file name • Relationship information to other objects in Fedora
• Administrative Meta Data • Technical meta data• Checksums• Relationships between data streams • Link to catalogue record in Virtua
• Digital Providence • List of actions that have occurred to the object • List of agents - who ran the software and versions of the software used
• File Sec • List of Data streams linking above sections to particular data streams
• Structural Map • First one allows display via a METS viewer type application
VITAL - Media
• Digital
Tape StorageTape StorageOptical Tape Storage
Optical Tape Storage Hard driveHard drive
5.25 Floppy Disc5.25 Floppy Disc 3.5 Floppy Disc3.5 Floppy Disc
Projects
• Wills• Offair• Welsh Journals on line
Wills
• Wills– Between: 1543 – 1858
• 182, 404 Wills• 816, 325 Images• 3 months to create derivatives• 1 month ingest• 2.5 Terabytes of derivatives
Offair
• Record around 1,000 programs a month• Record digitally • Select programs from a Web Site
• Records created automatically • Automatic ingest
Questions