Preventive maintenance Backup and disaster recovery procedures are recommended tasks to be carried out at a regular basis to avoid performance degradation.
Complete system backups to an external disk should be performed at regular time intervals, and preferably at times when the traffic load is low, for example at nights. What a reasonable time interval might be depends on how the system is configured, the amount of traffic etc, and may vary from installation to installation.
General Requirements
Regardless of the method chosen for the provisioning of backup and restore operations, there are requirements that must be met:
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