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OpenManage Integration for VMware vCenter Version 4.2 Web Client User's Guide

Hardware component redundancy health—Proactive HA

NOTE Only servers that support redundancy health status for the supported components (power supply, fans, and IDSDM) are eligible for Proactive HA.
NOTE The configured Proactive HA policies on the Proactive HA cluster might be affected when global alerts are configured through OMIVV.
NOTE Proactive HA is available only on the platforms that support redundancy on power, fan, and IDSDM.
NOTE Proactive HA feature is not supported for PSUs for which redundancy cannot be configured (for example, cabled PSUs).

Proactive HA is a vCenter (vCenter 6.5 and later) feature that works with OMIVV. When you enable Proactive HA, the feature safeguards your workloads by proactively taking measures based on degradation of redundancy health of supported components in a host.

NOTE All hosts from the PowerEdge 12th generation and later, and the ESXi versions v6.0 and later that are part of a connection profile and successfully inventoried are eligible for Proactive HA.
After assessing the redundancy health status of the supported host components, the OMIVV appliance updates the health status change to the vCenter server. The available states of redundancy health status for the supported components (power supply, fans, and IDSDM) are:
  • Healthy (Information)—component operating normally.
  • Warning (Moderately degraded)—component has a noncritical error.
  • Critical (Severely degraded)—component has a critical failure.
NOTE The moderately degraded and severely degraded states are represented as Warning in the Type column on the Events page.
NOTE An Unknown health status denotes the unavailability of any Proactive HA health update from the Dell Inc provider. An unknown health status might occur when:
  • All hosts that are added to a Proactive HA cluster may remain in the unknown state for a few minutes until OMIVV initializes them with their appropriate states.
  • A vCenter server restart may put the hosts in a Proactive HA cluster into an unknown state until OMIVV initializes them with their appropriate states again.

When OMIVV detects a change in the redundancy health status of supported components (either through Traps or polling), the health update notification for the component is sent to the vCenter server. Polling runs every hour, and it is available as a fail-safe mechanism to cover the possibility of a Trap loss.


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