Select a NAS backup method
Cloud Backup supports multiple NAS backup methods. Select the appropriate method based on your NAS type and file system.
NAS backup methods
Category | File system type | Backup method |
Alibaba Cloud File Storage NAS | General-purpose NAS file system
| Important Alibaba Cloud NAS Backup does not support NAS file systems with SMB ACL enabled. Use local NAS backup or ECS file backup instead. |
Extreme NAS file system | ||
Alibaba Cloud CPFS (Cloud Parallel File Storage) | NFS protocol | |
Self-managed NAS | NAS systems deployed in your on-premises data center or on the cloud, such as NetApp or Windows shared folders. |
Apsara File Storage NAS file systems also support backup through the ECS file backup feature. For more information, see Backing up NFS NAS files using the ECS file backup feature and Backing up SMB NAS files using the ECS file backup feature.
In regions where ECS file backup for NAS is unavailable, or for other NAS products, back up the files as local files instead. For more information, see Back up NFS NAS files as local files and Back up SMB NAS files as local files.
If you have both Local NAS Backup and ECS file backup available for your NAS, use the following comparison to decide which method better fits your operational needs.
Dimension | Local NAS Backup | ECS file backup |
Multiple clients | Supported. You can back up the same NAS file system from multiple local clients. | Not applicable in the same way; backup runs through the ECS file backup feature. |
View backup content | Not supported. You cannot browse the contents of a backup point before restoring. | Not supported. You cannot browse the contents of a backup point before restoring. |
Restore process | Same restore process as ECS file backup. | Same restore process as local NAS backup. |