HA & FT

·      Hot Add option is available only those O/S, which supports Hot Add

·      Hot Add is by default disabled, to enable Hot Add VM must be Power off

·      FT does not support to Hot Add

Adding, Modifying, and Removing Virtual Hardware

·     Typically, USB, Ethernet, and Hard drives are the only HW that can be added “hot”

·     You cannot remove any hardware “hot”

·     There are many virtual machine options that you should explore

·      When a VM is powered off, you can add or remove virtual hardware. Keep in mind that yo  OS and apps also need to recognize it.

What are the requirements to use vSphere Hot Add / Hot Plug?

·     Hot Add is for RAM

·     Hot Plug is for CPU

·     Hot remove of RAM is not supported by vSphere

·     Support for these “hot” features are highly dependent on your Guest OS - not on

What are the requirements to use vSphereHot Add / Hot Plug?

·      Which Guest OS supports HOT CPU PLUG without a reboot?

·      Windows 7 ENT & ULT 64-bit

·      Win 2008 64 bit DATACENTER

·       Stay tuned for more guests (Windows and Linux) to support hot plug without reboot!

What are the requirements to use vSphere Hot Add / Hot Plug?

·      Note that Hot Add & Hot Plug are NOT turned on by default (must power off to enable)

·      Note that Hot Add / Hot Plug are NOT compatible with VMware Fault Tolerance (FT)