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By default, the default iSCSI configuration creates only one path to each iSCSI target. Port binding is used to provide multiple paths to an iSCSI array. With vSphere 5, iSCSI…

Datastore clusters allow you to pool storage resources. You could think of datastores within a datastore cluster as being similar to hosts in a HA cluster. Like with a HA…

This post is intended to look at the VCAP-DCA objective of the same title. The thing that springs to mind here is thin provisioning and other methods of provision virtual…

There are a number of places you can view how your disk space is being used when working with vSphere. The first port of call is the Storage Views pane…

This post is intended to cover the VCAP-DCA objective around applying VMware storage best practices. As this is quite a broad topic, I’ll just be covering some general points here.…

VAAI stands for vStorage APIs for Array Integration. It provides Hardware Acceleration functionality, enabling your ESXi hosts to offload certain virtual machines and storage operations to the storage array. When…

As with many vSphere tasks, there are multiple ways in which you can upgrade datastores from VMFS3 to VMFS5. Before looking at how to upgrade a datastore, there are a…

I’ve recently written this post which discusses RAID levels and how to calculate how many disks you need in your RAID sets to provide the required performance levels for  your…

This post is intended to cover the VCAP-DCA objective of understanding the various RAID levels that you will come across when working with vSphere storage. There are already some great…