VMware released 3 versions of vCenter Operations, standard, advanced, Enterprise. We have already discussed the abilities of vCenter Operations vCenter Operations ‚Äď vSphere Performance, Capacity and Configuration Management with Self Learning Analytics but is this an integrated and secure implementation of monitoring or do we need more security than what is provided?
At the time the first article was written there was a bit of vital information we did not have available to us. That is how to access vCenter Operations Standard or Advanced in a multi-tenant manner, that has now been provided. vCenter Operations Alive functionality can be accessed directly from a web browser using your VMware vCenter Credentials, which allows you to see the Alive status of any VM you have the permissions to view. This capability is a huge capability, as it now allows me to provide a non-vSphere Client mechanism to view the status of the virtual environment.
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With the release of vSphere 4.1 there have been some great enhancements that have been added with this release. In one of my earlier post I took a look at the vSphere 4.1 release of ESXi. This post I am going to take a look at vSphere 4.1 availability options and enhancements. So what has changed with this release? A maximum of 320 virtual machines per cluster has been firmly set. In vSphere 4.0 there were different VM/Host limitations for DRS as well as different rules for VMware HA. VMware has also raised the number of virtual machines that can be run in a single cluster from 1280 in 4.0 to 3000 in the vSphere 4.1 release. How do these improvements affect your upgrade planning?
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I just finished writing all the content for my next book entitled VMware ESX and ESXi in the Enterprise: Planning Deployment of Virtualization Servers (2nd Edition) which continues the discussion on Dynamic Resource Load Balancing (DRLB). DRLB is the balancing of virtualized workloads across all hosts within a cluster of virtualization hosts without human intervention. This is the ultimate goal of automation with respect to virtualization and therefore the cloud. In effect, with DRLB the virtualization administrators job has been simplified to configuration and trouble shooting leaving the virtual environment to load balance work loads on its own.
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