5 1 0:Failover Events
Overview
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In SEP sesam, you have the option to configure a failover backup event as part of your backup strategy. By incorporating failover backup events into your backup configuration, you can enhance the reliability and resilience of your backup process.
The failover backup event serves as a contingency plan in case the original backup event encounters issues due to an unavailable media pool. This feature helps minimize failed backups and ensures the continuity of your backup process.
When configuring a backup event, you can specify a failover backup event that will be triggered if the original backup event cannot be performed successfully due to unavailable data storage (media pool or data store). The configured media pool can be unavailable for writing when it is out of space, lacks free media, the RDS cannot be reached, or for some other reason.
How it works?
A failover backup event is selected when you are configuring a backup event. Any other configured backup event can be used as a failover backup event. When the failover backup event is triggered, data storage settings from the original backup event are replaced with the settings specified in the failover backup event. This includes parameters such as the media pool, drive, interface, follow-up tasks, and even the migration task. By exchanging these settings, the backup process can proceed using an alternative configuration. The backup task, backup level and other options (for example, Enforce FULL) are preserved from the original backup event.
In comparison to failover media pools, which primarily redirect data storage, the failover backup event offers greater flexibility. It allows you to modify additional parameters, such as follow-up events and the migration task.
Configuring a failover backup event
Failover backup event can be configured for backup events. It is triggered when the original backup event cannot be performed successfully due to unavailable data storage.
- From Main selection -> Scheduling -> Schedules, select a schedule. You can either modify an existing backup event or create a new one in the selected schedule.
- In the Failover backup event drop-down list, select the backup event you want to use as the failover event in case the current backup event fails.
- Configure the backup event as required and click OK to save it. For more details, see Creating a Backup Event.
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Note |
| The failover backup event is triggered only once when the original backup event fails. If the backup event that is used as a failover backup event also has a failover event defined, which could create a chain of failover events, only the first failover event from the original backup event will be triggered. In case the failover backup event also fails, the backup process is not successful. |
Screenshots
See also
Creating a Backup Event - Managing Events