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60 Setting Up the A3 System
Active Archive Appliance (A3) v6.5 PowerFile Confidential Racking and Installation Guide
Connecting Cache Expansion Arrays
Up to two Cache Expansion Arrays can be connected to one Archive Engine. You use the RAID
controller cables supplied with the Cache Expansion Array to connect the I/O module on the
Cache Expansion Array to the RAID controller on the Archive Engine. All connections are
made to the back of the chasses.
The following illustration shows the Cache Expansion Array connectors on the I/O module.
Cache Expansion Array Connectors
Connecting Two Cache Expansion Arrays to an Archive Engine
To connect two Cache Expansion Arrays to an Archive Engine:
1. Connect
A on the RAID Controller card of the Archive Engine to C (UP2) on the I/O module
of the top Cache Expansion Array.
2. Connect
B on the RAID Controller card of the Archive Engine to D (UP2) on the I/O module
of the bottom Cache Expansion Array.
I/O Module
UP1 UP2 Down