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Configuration Guide > Optional Configuration Tasks
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After completing the base configuration, you can also perform any of the following optional configuration tasks:
You can synchronize a Luna SA appliance with a network time protocol (NTP) server. NTP provides a reliable, consistent, and accurate timing mechanism for the appliance using Coordinated Universal Time (UTC), and is the recommended option for providing an accurate date and time for the appliance. Luna SA also provides secure NTP. See "Timestamping – NTP and Time Drift" in the Luna SA Appliance Administration Guide.
High Availability (HA) mode allows you to automatically replicate the data on a HSM/partition over two or more physical HSMs to provide redundancy and load balancing. Applications using an HA HSM/partition do not access it directly. Instead, the HA software creates a virtual slot for the partition and manages which physical HSM is actually used when responding to an application request. See "High Availability (HA) Configuration and Operation " in the Administration Guide.
You can use the Luna SNMP MIB to monitor the performance of your HSMs. See "SNMP Monitoring" in the Administration Guide.
If you are configuring a PED-authenticated HSM, you can configure it to use a remote PED, which allows you to authenticate to the HSM from a remote location. See "Remote PED" in the Administration Guide.