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# Add a SAN manager

You can choose from a static list of SAN providers that is included on the appliance. When you choose a provider, you populate the `connectionInfo` attributes and add the SAN manager.

| NOTE: For the HPE 5900: In a cascaded switch environment, a SAN Manager can perform operations on all VSANs configured on that switch including VSANs that span across multiple switches. If a VSAN is configured on only one switch, you need to add the switch as a SAN manager, even if the switch has already been discovered through a spanning VSAN. For VSANs that are discovered on multiple SAN managers, you must select one SAN manager to associate to a network. Once you associate a SAN manager to a network, all other SAN managers that the VSAN was discovered on will be removed from the list. The appliance can only manage the VSAN from this associated SAN manager from now on. Zone aliases created for a particular VSAN on a SAN manager are not visible to other SAN managers that manage the VSAN.

### Prerequisites

- Minimum required session ID privileges: Infrastructure administrator or Storage administrator

- The SAN manager is supported by the appliance and is configured properly. See the HPE OneView Support Matrix for more information about supported SAN managers.

- The SAN manager’s IP address.

- The SAN manager’s user name and password.

| : To add an HPE SAN manager, it must be configured so that there is an SNMPv3 user created. See also: the Quick Start: Configuring an HPE 5900 for management by HPE OneView chapter in the HPE OneView User Guide for detailed instructions on configuring an HPE 5900.

Adding a SAN manager using REST APIs
Select a SAN provider. `GET /rest/fc-sans/providers` Add the SAN manager using the `connectionInfo` attributes returned in step 1. Add the credentials, IP address, and any additional values specific to the SAN provider. `POST /rest/fc-sans/providers/{id}/device-managers` Next, you can add SANs. When you create a network and select a SAN, the SAN is automatically associated to the SAN manager.

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