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When creating a new NAS server, there is an option to choose the SP owner which applies to the NAS server and its associated file systems. OE version 4.2 introduces the ability to change the SP owner on existing NAS server after they are created. This is automatically applied to all the NAS server’s associated file systems, enabling this feature to be used for load balancing purposes or to resolve network issues. The figure below shows how to change the SP owner of a NAS server.
If a NAS server is moved to the peer SP, all its existing configuration and features are carried over and continue to work as normal, such as CAVA, CEPA, VLANs, DNS, NIS, LDAP, and so on. Replication sessions can also move with the NAS server. To do this, all replication sessions must be in a paused state prior to starting the mobility operation. If a NAS server mobility operation is attempted while replication sessions are still active, an error is returned. While the mobility operation is in progress, all replication commands, besides show to view the session details, are rejected. Once the mobility operation is complete, the replication sessions can be resumed. Group pause and resume operations are also available in OE version 4.2 which simplifies this process. For more information about group operations, refer to section 7.3 on remote protection.