Regularly collecting information about the files in the various pillars, and ensuring that the files are consistent.

TODO: Obsolete, should be rewritten.

The processes of active bit preservation are essential for true bit preservation in the National Bit Repository. Thus, having a process implement these processes for every Service Level Agreement should be considered essential. This can be achieved, either by deploying the client developed for the National Bit Repository, or by implementing a different process for integrity checking.

The protocol contains functionality for listing files, retrieving checksums of files in pillars, and replacing damaged files that can be used to implement this. This functionality area describes the communications and processes needed to ensure active bit preservation.

Integrity user stories

User stories for integrity can be divided into two scenarios:

Integrity communications

Integrity communication covers conversations to collect information about state from the pillars, and conversations to re-establish a consistent state. Furthermore, the integrity will have communication to raise alarms and store logs and audit trails.

Integrity Client processes

The integrity processes serve to cover collection of information, check of integrity based on collected information, re-establishment of integrity, as well as logging and alarming based on the other processes.

Integrity Pillar requirements

Pillar requirements for integrity mostly correspond to the requirements from the used functionality, but restore after a mass loss may introduce new requirements.

Design Decisions - Integrity

Integrity design discussion

Unresolved issues - Integrity

Integrity service settings

Describes the configuration options found in the Reference settings.

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