O'Reilly logo

PowerCLI Cookbook by Philip Sellers

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Enabling and disabling Fault Tolerance on a virtual machine

In addition to VMware High Availability (HA) clustering, VMware also provides the ability to enable Fault Tolerance (FT) to protect a running virtual machine. FT creates a secondary virtual machine on a second host in the cluster and executes all of the same instructions on both the VMs. In the event of a host failure on the server hosting the primary VM, the secondary VM will assume the role of the primary with no downtime. There are no breaks in the network connectivity or application uptime.

In vSphere 5.5, FT has a significant list of requirements, including at least two ESXi hosts with FT compatible processors, shared datastores, and networking hosting the VM. In addition, your ESXi ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required