VMware FT (Fault Tolerance) has been around for a while an enables you to protect a VM in a way that allows for a seamless non-disruptive fail over to a copy of it running on another host. The execution of the primary and the secondary copy of an FT-protected VM is synchronized through the vLockstep protocol by sending all input data over a dedicated FT logging link to the host that runs the secondary copy and replaying it there. If the primary host fails for whatever reason the secondary host will detect this and instantly activate its own copy of the VM to become the primary one - with no loss of data or network connections.
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Showing posts with label SMP. Show all posts
Showing posts with label SMP. Show all posts
Monday, October 15, 2012
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