This topic describes the usage notes and mounting methods of Apsara File Storage NAS file systems. Read the following sections before you mount a file system.

Usage notes

  • If the mount target of a file system resides in a virtual private cloud (VPC), you can mount the file system on an Elastic Compute Service (ECS) instance only in the VPC. The private IP address of the ECS instance must be authorized in a rule of the permission group that is attached to the mount target.
  • If the mount target of a file system resides in the classic network, you can mount the file system only on an ECS instance of the same Alibaba Cloud account. The private IP address of the ECS instance must be authorized in a rule of the permission group that is attached to the mount target. For more information, see Manage a permission group.
    Note If a mount target resides in the classic network, only the ECS instances in the classic network can access the mount target.
  • You can mount a General-purpose NAS file system on an ECS instance that resides in a different zone of the same region. However, we recommend that you mount an Extreme NAS file system on an ECS instance that resides in the same zone as the file system. Otherwise, the performance of the Extreme NAS file system is compromised.
  • You can create a mount target only in a VPC for an Extreme NAS file system. Extreme NAS file systems support only the Network File System (NFS) protocol.

Mounting methods