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Archive file statistics – Rockwell Automation 1756-HIST2G Historian ME 2.1  User Manual

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Archive File Statistics

The FactoryTalk Historian ME stores your data in archives, which are files that hold

FactoryTalk

Historian ME data. Archive files are fixed which means that they are

always the same size, regardless of how much data they contain.

The archive receiving current data is called the primary archive. When the primary

archive becomes full, an archive shift occurs and the next available archive becomes

the new primary archive. When the primary archive is being backed up, you cannot

modify that archive or the Point database.
Each archive file contains events for a time period specified by the archive start time

and end time. The archive files on each

FactoryTalk

Historian ME server should cover

all time ranges, without overlapping time ranges or gaps in time. A list of archive

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