The Virtualization Practice

Author Archive for Tom Howarth

Tom Howarth
Tom HowarthTom Howarth is an IT Veteran of over 20 years experience and is the owner of PlanetVM.Net Ltd, Tom is a moderator of the VMware Communities forum. He is a contributing author on VMware vSphere(TM) and Virtual Infrastructure Security: Securing ESX and the Virtual Environment, and the forthcoming vSphere a Quick Guide. He regularly does huge virtualization projects for enterprises in the U.K. and elsewhere in EMEA. Tom was Elected vExpert for 2009 and each subsequent year thereafter.

The End of ESX is Near – Is ESXi Ready for the Enterprise?

Well the worse kept secret in virtualisation is now finally out in the open, have a read of VMware ESX to ESXi Upgrade Center:Planning your Upgrade to the next-generation hypervisor architecture where they state that “In the future, the superior architecture of ESXi will be the exclusive focus of VMware’s development efforts. This means that not only will the ESXi hypervisor superceed the classic ESX hypervisor in a new version of vSphere; what the time scale is, is currently unknown however it is most likely to be vSphere 5 or whatever they decide to call the next major release. What is more interesting in statement is that VMware expects their customers to upgrade their existing installations of vSphere based on the ESX hypervisor to the new ESXi hypervisor.

Those of you who attended VMworld this year will remember the stack of servers and storage on display happily serving VM’s to the vistors, exhibitors and Staff at the conference, well one of the key components of that stack was provided by Xsigo. Their product the I/O Director offers signficant savings in large environments by effectively virtualising the I/O stack. I am not going to go into the ins and outs of I/O virtualization in this article. Well it now appears that they are expanding their partnerships.

Hyper-V: Free or Licensed the Choice is Yours

Which is better Hyper-V version deploy for production environments? For a traditional server based virtualization project, it makes financial sense to deploy Datacenter, and this is most likely the case for a hybrid deployment of Server and Desktop devices. However, for raw VDI and Open source deployments, it is obviously more fiscally prudent to utilise the free version which has been available for over a year.

EMC/Cisco/VMware vBlock – The Data Center Virtualization Perspective

Well the cat is well and truly out of the bag now, after several months of serious courting and getting caught behind the bike shed a few time, the worse kept secret in IT has arrived. Cisco, EMC, and VMware have entered into a joint venture arrangement called V-block, so what is it and how exactly does it affect the state of play?

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