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High Availability Overview

 

If your hardware or network fails, JSA can continue to collect, store, and process event and flow data by using high-availability (HA) appliances.

To enable HA, JSA connects a primary HA host with a secondary HA host to create an HA cluster.

If a primary HA host fails, then the secondary HA host maintains access to the same data as the primary by using data synchronization or shared external storage.

The secondary HA host inherits the license from the primary HA host. There is no need to apply a separate license to the secondary host.

For more information about using shared external storage with HA, for example iSCSI, or NFS, see the Juniper Secure Analytics Configuring Offboard Storage Guide.