VCAP-DCA 5

This post is intended to cover the topics on the VCAP-DCA blueprint relating to tuning virtual machine configurations, with a focus on memory, CPU, network and storage settings. As a…

ESXi 5 allows virtual machines to use large memory pages (Memory pages of 2MB). There can be a performance benefit for Guest OS and applications that are requesting the use…

Like my previous posts on tuning CPU, memory and network resources, this post is intended to cover the corresponding VCAP-DCA objective, this time focusing on host storage configuration. The main…

You can set or change a number of advanced attributes for you ESXi hosts, virtual machines and clusters, to give you a lot of granular control over your vSphere infrastructure.…

This post will have a look at the topic of tuning ESXi host CPU configuration, in relation to the VCAP-DCA objective of the same name. In the vSphere 5 Performance…

The vSphere 5 best practices performance guide covers a few topics in relation to tuning host network performance, some of which I’ll briefly cover in this post aimed at covering…

This post aims to cover the ‘Tune ESXi Host Memory Configuration’ objective in the VCAP-DCA blueprint. Memory management and configuration is a huge subject, which can’t be covered in a…

Network I/O Control (NIOC) is a feature of a dvSwitch which allows the use of network resource pools which determine the bandwidth that different network types are granted. When enabled,…

This will just be a quick post to cover the corresponding VCAP-DCA objective. Along with the dvSwitch, you can also make use of 3rd party virtual switches (which sit on…

Port binding settings can be found under the General section of the portgroup settings on a dvSwitch: Port binding settings are only available for distributed vSwitches. Port binding defines how…