Here you are a very interesting video on Fault Tolerance: Product that has been presented at VMworld 2008 as a pilot and that brings us High Availability VM level.
is a technology that is based on Vmotion to keep an exact copy of the primary VM VM called the secondary (with the same IP and same MAC) transmitting each instruction is executed and the other by mirror machine so that if you drop the primary VM, the secunadaria becomes operational. In terms of High Availability a high availability active / passive.
is intended to use technology in the VMs you want more availability portege VMware HA. Remember that VMware HA protects against the fall of a node but downtime is inevitable as the start time of the VM on another node.
say that as shown in the picture is inevitable that the VM disks have "zeroed" that is occupying all the space reserved.
Link video.
suppose that the following will be two VM in Active / Active (bidirectional replication) and swing the virtual switches as do the Foundry, Alteon and F5 ... see how we surprised!
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