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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
Contents
About vSphere Availability 5
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Business Continuity and Minimizing Downtime 6
Reducing Planned Downtime 6
Preventing Unplanned Downtime 7
vSphere HA Provides Rapid Recovery from Outages 7
vSphere Fault Tolerance Provides Continuous Availability 8
Protecting the vCenter Server Appliance with vCenter High Availability 9
Protecting vCenter Server with VMware Service Lifecycle Manager 10
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Creating and Using vSphere HA Clusters 11
How vSphere HA Works 11
vSphere HA Admission Control 20
vSphere HA Interoperability 26
Creating a vSphere HA Cluster 30
Configuring vSphere Availability Settings 34
Best Practices for VMware vSphere
®
High Availability Clusters 44
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Providing Fault Tolerance for Virtual Machines 48
How Fault Tolerance Works 48
Fault Tolerance Use Cases 49
Fault Tolerance Requirements, Limits, and Licensing 50
Fault Tolerance Interoperability 51
Preparing Your Cluster and Hosts for Fault Tolerance 52
Using Fault Tolerance 55
Best Practices for Fault Tolerance 60
Legacy Fault Tolerance 62
Troubleshooting Fault Tolerant Virtual Machines 62
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vCenter High Availability 69
Plan the vCenter HA Deployment 70
Configure the Network 75
Configure vCenter HA With the Basic Option 77
Configure vCenter HA With the Advanced Option 78
Manage the vCenter HA Configuration 81
Troubleshoot Your vCenter HA Environment 88
Patching a vCenter High Availability Environment 94
VMware, Inc.
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