View source for 5.1.2.1 Mechanisms in place to ensure any/multiple copies of digital objects are synchronized

== 5.1.2.1 - The repository shall have mechanisms in place to ensure any/multiple copies of digital objects are synchronized. ==

Subsequent to its ingestion, the [[LOCKSS: Polling and Repair Protocol]] among the CLOCKSS boxes continuously compares each unit of content at each box with the same unit at a random sample of the other boxes, detecting and repairing any missing or damaged content. The polling process is monitored by LOCKSS team members using internal tools as described in [[CLOCKSS: Logging and Records]].

=== Relevant Documents ===
# [[LOCKSS: Polling and Repair Protocol]]
# [[CLOCKSS: Logging and Records]]