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In a high availability cluster, one appliance acts as the
active primary appliance, and one acts as the passive primary appliance. The
passive primary appliance automatically takes over as the new active primary
appliance if the active primary appliance encounters an error and is unable to
recover.
Deploy this cluster configuration if you want to ensure that Deep Discovery Analyzer capabilities remain
available even when the appliance encounters an error and is unable to recover.
The following figure shows two Deep Discovery Analyzer appliances deployed in a high availability cluster configuration and
how integrating products communicate with Deep Discovery Analyzer.
Note
Trend Micro recommends updating the firmware on a Deep Discovery Analyzer appliance to
the latest version before deployment in a high availability cluster.
The active primary appliance and the passive
primary appliance must be connected using eth3.
Trend Micro recommends using a Category 6 or higher Ethernet
cable to directly connect the active primary appliance and passive primary appliance
using eth3.
Trend Micro recommends directly connecting the
active primary appliance and the passive primary appliance to minimize potential
points of failures.
If the active primary appliance is not connected to the passive
primary appliance directly (for example, if they are in different data centers), the
following requirements must be met:
The appliances must be Deep Discovery Analyzer 1100, 1200, or 1300.
The connections between the appliances must meet the following
conditions:
