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Services
Packaging
Data in Chronopolis is packaged using the BagIt specification.
Glossary
Depositor
An institution, person, or conglomerate which is a part of Chronopolis and has data to be stored for bit-level preservation
Ingest
The second distribution service layer which acts as a registry of content and manages where data is distributed in Chronopolis. The process of registering the contents of a bag with the Ingest database, and creating ACE tokens for each file in the bag.
Intake
The first distribution service layer which brings external data into Chronopolis. The process of transferring a bag to a filesystem directory where an Ingest service can process it.
- Intake can be handled either by a service or can be performed manually.
- Intake also includes notifying the Ingest service about the new bag and its location.
Intake may also include creating a bag from a set of files, but this step can also be performed manually in advance.
- Intake is NOT synonymous with the term "Staging".
Node
An organization which is part of the Chronopolis Network and stores data for Depositors
Staging Storage
A filesystem which can be used for transient data; not guaranteed to have bit-level preservation
Preservation Storage
A filesystem which is used for holding data long term; is continually checked for bit rot
IntakeRepair
The first distribution A service layer which brings external data into Chronopolis
Ingest
The second distribution service layer which acts as a registry of content and manages where data is distributed in Chronopoliswhich takes actions to correct any data which has become corrupt at a Chronopolis Node
Replication
The final distribution service layer which transfers data from a staging area in to into a Preservation storage filesystemRepair
A service which takes actions to correct any data which has become corrupt at a Chronopolis Node
Restore
The action of returning data to a Depositor
Staging Storage
A filesystem which can be used for transient data; not guaranteed to have bit-level preservation