6.7
Table Of Contents
- vSphere Availability
- Contents
- About vSphere Availability
- Business Continuity and Minimizing Downtime
- Creating and Using vSphere HA Clusters
- Providing Fault Tolerance for Virtual Machines
- How Fault Tolerance Works
- Fault Tolerance Use Cases
- Fault Tolerance Requirements, Limits, and Licensing
- Fault Tolerance Interoperability
- Preparing Your Cluster and Hosts for Fault Tolerance
- Using Fault Tolerance
- Best Practices for Fault Tolerance
- Legacy Fault Tolerance
- Troubleshooting Fault Tolerant Virtual Machines
- Hardware Virtualization Not Enabled
- Compatible Hosts Not Available for Secondary VM
- Secondary VM on Overcommitted Host Degrades Performance of Primary VM
- Increased Network Latency Observed in FT Virtual Machines
- Some Hosts Are Overloaded with FT Virtual Machines
- Losing Access to FT Metadata Datastore
- Turning On vSphere FT for Powered-On VM Fails
- FT Virtual Machines not Placed or Evacuated by vSphere DRS
- Fault Tolerant Virtual Machine Failovers
- vCenter High Availability
- Plan the vCenter HA Deployment
- Configure the Network
- Configure vCenter HA With the Basic Option
- Configure vCenter HA With the Advanced Option
- Manage the vCenter HA Configuration
- Set Up SNMP Traps
- Set Up Your Environment to Use Custom Certificates
- Manage vCenter HA SSH Keys
- Initiate a vCenter HA Failover
- Edit the vCenter HA Cluster Configuration
- Perform Backup and Restore Operations
- Remove a vCenter HA Configuration
- Reboot All vCenter HA Nodes
- Change the Appliance Environment
- Collecting Support Bundles for a vCenter HA Node
- Troubleshoot Your vCenter HA Environment
- Patching a vCenter High Availability Environment
- Using Microsoft Clustering Service for vCenter Server on Windows High Availability
2 Click the Configure tab.
3 Select vSphere Availability and click Edit.
4 Click Failures and Responses and expand VM Monitoring.
5 Select VM Monitoring and Application Monitoring.
These settings turn on VMware Tools heartbeats and application heartbeats, respectively.
6 To set the heartbeat monitoring sensitivity, move the slider between Low and High or select Custom
to provide custom settings.
7 Click OK.
Your monitoring settings take effect.
Configure Proactive HA
You can configure how Proactive HA responds when a provider has notified its health degradation to
vCenter, indicating a partial failure of that host.
This page is editable only if you have enabled vSphere DRS.
Procedure
1 In the vSphere Web Client, browse to the Proactive HA cluster.
2 Click the Configure tab.
3 Select vSphere Availability and click Edit.
4 Select Turn on Proactive HA.
5 Click Proactive HA Failures and Responses.
vSphere Availability
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