Avid Technology NEXIS User Manual

12
Controller Functions and Redundant Controller Operation
The Controller provides the software management functionality, in some cases including the System Director (in
Engines with an embedded System Director and on the System Director Appliance).
The system can run with only one Controller (single controller configuration) or two (redundant controller
configuration), which provides high availability.
If two Controller are present, they divide the system services between them.
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Both Controllers are active at the same time; there is no Active and Standby designation.
If one entire Controller fails, the System Director service (and other services) can fail over to the other one while
the system keeps running. However, failover does not occur if the network connection to a Controller fails.
Failover occurs only between Controllers in the same physical chassis, never between Controllers in different
chassis.
The Controllers are turned on when the power supplies are on.
Types of Controllers
Depending on your Avid NEXIS model, the Engine or System Director Appliance supports one or two of the
following Controllers.
You can optionally order and install a redundant Controller for certain Avid NEXIS Engines and the System
Director Appliance. If ordered at the same time, it is shipped with the Engine but not factory installed.
Avid NEXIS Model Controller Type
Supported
Slot(s) Technical Details
Supports
Dual
Controllers?
Avid NEXIS | PRO
(2TB SAS drives)
Avid NEXIS | PRO Controller
(no label)
0 (top) only Four cores with 16GB memory.
Supports a 10GbE switch connection.
No
Avid NEXIS | PRO
(4TB SATA drives)
One of the following:
• Avid NEXIS | PRO
Controller (no label)
• Controller 10
1 (bottom) only
1 (bottom) only
Four cores with 16GB memory.
Supports a 10GbE switch connection.
Six cores with 16GB memory. Supports
a 10GbE switch connection.
No
Avid NEXIS | E2 Controller 10 Both Six cores with 16GB memory. Supports
a 10GbE switch connection.
Yes
Avid NEXIS | E2 SSD Controller E2 | SSD 1 (bottom) only Six cores with 16GB memory. Supports
a 40GbE switch connection.
No
Avid NEXIS | E4,
Avid NEXIS | SDA
Controller 20/SDA Controller Both Eight cores with 32GB memory.
Supports a 10GbE switch connection.
Yes
Avid NEXIS | E5 Controller 80 Both Twelve cores with 128GB memory.
Supports a 40GbE switch connection.
Yes

Avid Technology NEXIS Specifications

General

Brand	Avid Technology
Model	NEXIS
Category	Server
Language	English