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This blog is intended to share knowledge among Vmware users around the world.

[...] There is no more AAM agent like in vSphere 4.1. Instead, there has been a new agent introduced which is named FDM – Fault Domain Manager. The Primary/Secondary concept with 5 primary nodes which has been known in vSphere 4, is gone. You no longer needs to worry not to loose all those 5 primary nodes at the same time …. and loose the HA functionality for the rest of the cluster. Now there is only one agent in the cluster which plays the role of Master. The agent is called FDM – Fault Domain Manager. One host takes the role of Master. The other agents on other hosts plays only roles as a Slaves, and can became Masters in case the master fails. [...]
[...] The per-virtual-machine (VM) pricing model has become standard for VMware products including vCenter Operations and vCloud Director. But some VMware shops don't like this pricing system, because it uses a flat price across all VMs, no matter the size of the VM -- and of course not all VMs are created equal. [...]read all the article
[...]Let's talk about Deduplication first. As we've all known for some time, a Best Practice of ours is to stuff as many VM's as you can into a single Datastore [volume] in order to get the highest returns on deduplication. Users can see as high as 80%+ space returned (I know, I was one of them, and did) on their VM's by collectively placing them in the same container with no performance penalty for doing so. Moving data [i.e. vmdk's] between volumes will "un-dedupe" that data being moved, and you will have to re-run the original deduplication scan on that new volume in order to re-coop those savings after the move.[...]
Unveiling VMware vSphere 5 -- http://www.vmware.com/cloud-infrastructure/ VMware CTO Steve Herrod discusses the launch of VMware vSphere 5 and the comprehensive cloud infrastructure suite that will strengthen the infrastructure foundation for the cloud computing era.




here's the link to the complete document
With the modification to vSphere licensing, we accomplish two objectives:
• Free customers from restrictive hardware-based entitlements
• Align the vSphere licensing model with IT as a service
To understand reasons for the change, we should first examine the legacy vSphere model. vSphere 4.x is licensed on a per-physical processor (CPU) basis with limits on:
• The number of physical cores per CPU
• Physical RAM capacity per server
Significant innovations in hardware design—such as CPUs with ever-larger number of cores, high-density memory chips, solidstate drives and hyperthreading—were causing the hardware limits in vSphere 4.x licensing to become outdated. In the 36 months since the release of vSphere 4.0, multicore capacity of x86 CPUs grew from 2–4 cores per CPU to 8–12 per CPU. Processor manufacturers have announced plans to introduce CPUs that will exceed 12 cores.
CPU manufacturers have introduced or plan to introduce technologies—such as hyperthreading—that work at the subcore level and increase processing power by improving parallelization of computations. Similar growth and innovation trends are also happening on the memory side, with RAM chip density growing from 4GB per DIMM to 8GB and 16GB per DIMM and new types of memory technologies—such as solid-state-drive (SSD)—becoming mainstream. This innovation trend in server hardware technologies is rapidly making the hardware restrictions of vSphere 4.x licenses outdated posing difficulties for customers to plan future investments in infrastructure and virtualization.
Moreover, vSphere 4.x licensing did not reflect the fact that vSphere excels at pooling physical hardware resources across the entire datacenter and presenting them as a single, unified, shared infrastructure—an innovation that is one of the core pillars of cloud infrastructure. The hardware-based licensing model of vSphere 4.x made it difficult for customers to transition to the usage-based cost and chargeback models that characterize cloud computing and IT-as-a-Service.