APCON, Inc.
44
A54-3144-XR • Rev B
Chapter 5. Configure the chassis
ACI-3144-XR Chassis User Manual
This example shows that the Active Controller is installed in the primary slot, and the
Standby Controller is installed in the secondary slot and in sync with the Active Controller.
When viewing the LCD screen, be sure to note the slot for the Active Controller. Note that
terminology to describe the location or state of system controllers is different for hardware
and software:
• For hardware, a controller may be physically located in the
Primary
(bottom) slot or
Secondary
(top) slot in the chassis.
• For software (displayed on the LCD screen and in W
EB
XR), a controller may be in
Active
or in
Standby
mode.
The
Failover Status
screen displays the following status information.
Status > Online Users
The
Online User
screen displays the following information:
Controller Status
Description
Active
Identifies the physical location of the Active Controller
installed in the chassis.
Primary Slot
The Active Controller is in the lower (Primary) slot (default).
Secondary Slot
The Active Controller is in the upper (Secondary) slot.
Secondary
Indicates the availability of a Standby Controller.
Present
A Standby Controller is installed in the slot other than the
one in which the Active Controller is installed.
Absent
There is no Standby Controller.
Secondary Pwr
Displays the state of the power on the Standby Controller.
Good
The Standby Controller is powered and available.
OFF
The Standby Controller is not receiving power. A failover
may have occurred.
Secondary Sync
Indicates whether the software files in the Active and
Standby Controllers are synchronized.
n/a
No Standby Controller exists so there are no files to
synchronize.
Good
Files in the Active and Standby Controllers are
synchronized.
Failover Ready
Indicates the available status of the Standby Controller.
Yes
The Standby Controller is ready to assume control.
No
The Standby Controller is not ready to assume control.