Tier0 service group reduced redundancy alarm

Products

• VMware NSX

Issue/Introduction

Title: Alarm for high_availability.tier0_service_group_reduced_redundancy
Event ID: high_availability.tier0_service_group_reduced_redundancy

Alarm Description:

• Purpose: To inform users the backup service-group attached to T0 has been lost.
• Impact: The loss of the standby service-group may result in service outage if the active instance also experiences failure  

Environment

VMware NSX

Resolution

Steps to resolve
For 4.0.1 and higher

Recommendation Action:

• Invoke the NSX CLI command 'get logical-router <service_router_id> service_group' to check all service-groups configured under a given service-router.
• Examine the output for failure reason for a previously standby service-group.

Maintenance window required for remediation? No

Workaround:

• If you no longer use stateful services and want to resolve the alarm without having to reconfigure the Tier-0/1.

1. Copy the alarm ID from the UI by clicking on the 3 vertical ellipses, left of the alarm and clicking on 'Copy Id to Clipboard'.
2. Clear alarm using following API:
   POST https://<nsx-manager>/api/v1/alarms/<alarm-id>?action=set_status&new_status=RESOLVED