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AdministeringIn addition to administering the database server, you can tune performance, replicate data, and archive data.
System administrationThese topics contain concepts, procedures, and reference information for database and database server administrators to use for managing and tuning HCL OneDB™ database servers.
Administrator's GuideThe HCL OneDB™ Administrator's Guide provides the information required to administer HCL OneDB™.
Logging and log administration
Manage logical-log files
Back up logical-log files

Back up logical-log files

The logical logs contain a history of the transactions that have been performed. The process of copying a logical-log file to media is called backing up a logical-log file. Backing up logical-log files achieves the following two objectives:

It stores the logical-log records on media so that they can be rolled forward if a data restore is required.
It makes logical-log-file space available for new logical-log records.
If you neglect to back up the log files, you can run out of log space.

You can initiate a manual logical-log backup or set up continuous logical-log backups. After you restore the storage spaces, you must restore the logical logs to bring the data to a consistent state. For more information about log backups, see the HCL OneDB™ Backup and Restore Guide.

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