This topic provides the considerations for setting up zones for the clients and the LUNs in the user storage pools.
When a file is created or modified from a SAN File System client, user data is stored in user storage pools that are made up of volumes (or LUNs). Each SAN File System client needs access to all volumes that comprise the user storage pool where data from a fileset that can be accessed by that client will be stored. There are two ways to zone SAN File System clients: uniform and non-uniform.
In a uniform zone configuration, you create a single zone in which all clients have access to all SAN File System volumes. The following figure show an example of a uniform zone configuration.
In a non-uniform zone configuration, you create multiple zones in which clients have access to only the volumes that they will actually need. The following figure show an example of a non-uniform zone configuration.
You must ensure that all clients in a non-uniform zone configuration can access all of the volumes in any user storage pool that can be used by filesets in use by that client. If a client tries to read or write data on a volume that it cannot access, SAN File System will return an I/O error. File system operations that involve only metadata, such as changing the current directory or listing files, will not receive an I/O error because those functions do not require access to the user storage pool.
Parent topic: How do I set up zones in SAN File System?
Related reference
Metadata server zoning
Related information
Storage access worksheet