Rockwell Automation FactoryTalk View Site Edition Users Guide - Manual (Page 384)

F ACTORY T ALK V IEW S ITE E DITION U SER ’ S G UIDE
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Central logging works by exporting the contents of the local log periodically, to an
ODBC-compliant database. FactoryTalk View supports Oracle, and Microsoft SQL
Server ODBC-compliant databases.
Logging to a central database provides redundancy for Diagnostics logging. If you lose
communications with the ODBC-compliant database, you can use the local log to buffer
information.
For details about central logging options, click Help in the Diagnostics Setup tool. For
information about the ODBC tables, see the FactoryTalk Diagnostics Help.
Setting up message buffering
FactoryTalk Diagnostics messages are stored in the computer’s local log and exported to
an ODBC-compliant database at the interval you specify.
To buffer messages, in the ODBC Database Destination Setup window, specify how long
messages will remain in the local log after they have been exported.
This is useful in the event that the ODBC-compliant database becomes unavailable, for
example, due to a network failure. In such cases, messages will remain in the local log
until the buffer time expires.
If you have set up FactoryTalk Diagnostics to overwrite events in the local log, make sure
messages are logged to the ODBC-compliant database, before the oldest events are deleted.