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OpenManage Integration for VMware vCenter Version 5.1 User's Guide

Hardware component redundancy health—Proactive HA

Proactive HA is a vCenter 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.

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. The moderately degraded states are represented as Warning in the Type column on the Events page.
  • Critical (Severely degraded)—component has a critical failure.
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.

NOTE:
  • When configuring events, it is recommended that you select Post all Events option as event posting level. For more information about configuring events, see Configure events and alarms.
  • Proactive HA is available only on the platforms that support redundancy on power, fan, and IDSDM.
  • Proactive HA feature is not supported for PSUs for which redundancy cannot be configured (for example, cabled PSUs).

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