Different backup sources support different metrics and features, including the minimum backup granularity, minimum backup cycle, maximum retention period, and real-time backup. This topic provides an overview of the metrics and features that each backup source supports.
| Type | Backup source | Minimum backup granularity | Minimum backup cycle | Maximum retention period | Real-time backup | Remote backup | Account permission isolation |
|---|---|---|---|---|---|---|---|
| Backup of on-premises data to the cloud | File | File | Hour | Permanent | Not supported | Supported | Supported |
| NAS | File | Hour | Permanent | Not supported | Supported | Supported | |
| VMware | Virtual machine | Hour | 999 years | Not supported | Not supported | Supported | |
| SQL Server | Database | Hour
Minute (for logs) |
Permanent | Not supported | Supported | Supported | |
| Cloud backup | MySQL | Instance | Hour | 999 years | Supported | Not supported | Supported |
| Oracle | Tables | Hour | 999 years | Supported | Not supported | Supported | |
| SQL Server | Database | Hour
Minute (for logs) |
999 years | Not supported | Not supported | Supported | |
| SAP HANA | Database | Hour
Minute (for logs) |
Permanent | Not supported | Supported | Supported | |
| File | File | Hour | Permanent | Not supported | Supported | Supported | |
| NAS | File | Day | Permanent | Not supported | Supported | Supported | |
| OSS | Prefix | Day | Permanent | Not supported | Supported | Supported |
Hybrid Backup Recovery (HBR) allows you to configure different backup or recovery permissions for different accounts. For more information, see Manage user permissions.