Overview of Backup Metrics

The minimum backup granularity, minimum backup interval, and maximum retention period of each backup vary with the data sources to be backed up. This section describes the backup metrics for each type of data source.

Backup Metrics

**Table 1** Backup metrics
Data Source	Minimum Backup Granularity	Minimum Backup Interval	Maximum Retention Period	Cross-region Replication	Backup Sharing	Fine-grained Authorization
Cloud servers	1 cloud server	1 hour	Permanent	Supported	Supported	Supported
EVS disks	1 EVS disk	1 hour	Permanent	Not supported	Supported	Supported
SFS Turbo	SFS Turbo	1 hour	Permanent	Supported	Not supported	Supported
RDS	1 instance	1 hour	732 days	Not supported	Not supported	Supported
Workspace	1 workspace	1 hour	Permanent	Not supported	Not supported	Supported

You can grant backup and restoration permissions to different accounts or IAM users based on service requirements. For details, see Creating a User and Granting CBR Permissions.

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