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, and the backup speed and recovery speed.
Backup metrics and features
Category | 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 |
Apsara File Storage NAS (NAS) | File | Hour | Permanent | Not supported | Supported | Supported | |
VMware | Virtual machine | Hour | 999 years | Not supported | Not supported | Supported | |
MySQL | Instance | Hour Subsecond (for logs) | 999 years | Supported | Not supported | Supported | |
Oracle | Table | Hour Subsecond (for logs) | 999 years | Supported | Not supported | Supported | |
SQL Server | Database | Hour Minute (for logs) | Permanent | Not supported | Supported | Supported | |
Cloud backup | MySQL | Instance | Hour Subsecond (for logs) | 999 years | Supported | Not supported | Supported |
Oracle | Table | Hour Subsecond (for logs) | 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 |
Cloud Backup allows you to configure different backup or recovery permissions for different accounts. For more information, see Create a RAM user and authorize the RAM user to access Cloud Backup.
Limits are imposed on the database versions and backup features that are supported by Cloud Backup. For more information, see the "Supported database versions" section in Overview (ECS-hosted databases).
Backup speed and recovery speed
The backup speed and recovery speed of Cloud Backup are obtained in a test environment. The values are provided for reference only. For more information, see Backup speed and recovery speed.