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# View NAS servers

Network-attached storage is a file-level storage architecture that makes stored data more accessible to networked devices.

## About this task

A Network-Attached Storage (NAS) server is a virtual container that hosts one or more Filesystems. The NAS Server has a unique name, one or more IP addresses, and exposes NAS protocols such as NFS, SMB, FTP and SFTP. Naming services like DNS, LDAP, NIS are configured on a NAS Server. Users and groups may be defined locally with local files. NAS Server facilitates protection by remote NDMP software. PowerMax File supports 3-way NDMP. NAS Server also allows configuration for virus checker. A NAS Server runs by default on the primary node. In case of a node failure, the NAS Server is moved automatically to its backup node.

See Understanding PowerMax File for storage systems for an overview of PowerMax File.

## Steps

1. Select a storage system that supports PowerMaxFile.
2. Select Storage > File.
3. Select the NAS SERVERS tab.

   The following properties display:

   - Name—NAS server name
   - Primary Node—Identity of the primary node where the NAS server was created.
   - Backup Node—Identity of the backup node where the NAS server was created.
   - Preferred IPv4 Interface—Preferred IPv4 interface
   - Preferred IPv6 Interface—Preferred IPv6 interface
   - SMB Server—Identity of the SMB server associated with the NAS server
   - NFS Server—Identity of the NFS server associated with the NAS server
   - Health—Indication of the health of the NAS server

   The following controls are available:

   - Create— Create NAS servers
   - Modify— Modify NAS servers
   - — Delete NAS servers
   - Change Preferred interface— Change preferred interface for a NAS server
   - Clone— Clone NAS servers
   - —Displays a list of NAS server properties (see View NAS server details).