Support for Jumbo Frames is one of the major new features for ESX 3.5. Especially for the people who are using an iSCSI SAN configuring jumbo frames could be very beneficial. Instead of having an MTU(maximum size of transmitted packet) of 1500 an MTU of 9000 would be possible. That would cut out a lot of the iSCSI overhead. But are jumbo frames supported for 3.5? Answer: Yes and no. [Read more…] about What about those Jumbo Frames?
I’ve been testing with the experimental feature Virtual Machine High Availability(aka VM Failure Monitoring) for a couple of days now. I must say it just does what VMware claims in the PDF, resetting a VM within the configured time when a the heartbeat is lost. But one thing that struck me is that there’s hardly any evidence that HA did it’s job, in other words no events logged in VirtualCenter as far as I can see. [Read more…] about Virtual Machine High Availability