Tag Archives: PowerCLI

Using PowerCLI to correlate VMware VMFS and ScaleIO volume info

In my previous post I wrote about expanding a ScaleIO volume in a VMware environment. During that procedure there is a requirement  to correlate the EUI of the device hosting the VMFS to the ScaleIO identifier so that you can ensure that you actually expand the correct volume. Especially important in large environments. So I thought is there a way to script this correlation in a simple fashion to save you some work? Can the whole process be automated?

The answer to both is yes!

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Scripting ESI PowerShell cmdlets and VMware

EMC offers a variety of tools to manage/enhance your virtual or physical environments–some free, some licensed. In most cases when you think of EMC tools for VMware one conjures up the free Virtual Storage Integrator which is more commonly referred to as VSI.

VSI is a great tool and continues to be improved through each version and allows you to provision storage, manage pathing, configure SRM etc. The one thing it does not have is a way to automate these tasks through an API or CLI. This is where another product comes in–one that many do not associate with VMware. The EMC Storage Integrator (ESI) is a lot of times seen as the Microsoft version of VSI–but that isn’t really true at all. While it might have started out that way and does indeed support Hyper-V and has a ton of Microsoft-specific features it is really the heterogeneous storage integrator. Importantly it  has a very handy and powerful feature–PowerShell cmdlets.

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