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Device Manager Guide, Cisco ACE 4700 Series Application Control Engine Appliance
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Chapter 11 Configuring High Availability
Deleting ACE High Availability Groups
Related Topics
• Understanding ACE Redundancy, page 11-2
• Configuring High Availability Peers, page 11-8
• Configuring ACE High Availability Groups, page 11-11
• Tracking VLAN Interfaces for High Availability, page 11-19
Deleting ACE High Availability Groups
Note This functionality is available for only Admin contexts.
Use this procedure to remove a high availability group from ACE Appliance Device Manager
management.
Procedure
Step 1 Choose Config > Virtual Contexts > High Availability (HA) > Setup. The ACE HA Management
screen appears at the top of the content area and the ACE HA Groups table appears at the bottom.
Step 2 In the ACE HA Groups table, select the high availability group that you want to remove, and then click
Delete. A message appears asking you to confirm the deletion.
Step 3 Do the following:
• Click Deploy Now to delete the high availability group and to return to the ACE HA Groups table.
The selected group no longer appears.
• Click Cancel to exit this procedure without deleting the high availability group and to return to the
ACE HA Groups table.
Related Topics
• Configuring High Availability Peers, page 11-8
• Configuring ACE High Availability Groups, page 11-11
• Tracking VLAN Interfaces for High Availability, page 11-19
High Availability Tracking and Failure Detection Overview
The tracking and detection of failures ensures that switchover occurs as soon as the criteria are met (see
Configuring High Availability Peers, page 11-8). With the ACE Appliance Device Manager, you can
track and detect failures on:
• Hosts—See Tracking Hosts for High Availability, page 11-20.
• Interfaces—See Tracking VLAN Interfaces for High Availability, page 11-19.
When the active member of a fault-tolerant group becomes unresponsive, the following occurs:
1. The active member’s priority is reduced by 10.
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