Author Archives: Barrie

Bulk creating VMs using Nutanix Acropolis ACLI

I have been playing around with the fantastic Nutanix Community Edition (CE) now for a week or more. Despite the availability of all KVM VM actions in the HTML5 Prism GUI, I wanted to quickly create any number of VMs … Continue reading

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PowerShell/PowerCLI – vMotion VMs between clusters based on Name and IP

A quick post where I threw together a script to vMotion all VMs of a particular wildcard name and a certain IP range between two vSphere clusters (5.0 and 5.5) under the same vCenter Server. The script assumes your source … Continue reading

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Using Azure PowerShell to deploy Windows Server Technical Preview (Windows Server 2015)

I whipped up a script so I didn’t have to use the Azure portal wizard to easily spin up Windows Server 10 VM’s for further testing. It’s mostly self explanatory, the Azure PowerShell cmdlets have great help and online resources are immense … Continue reading

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Jumbo frames performance with 10GbE iSCSI

This is yet another voice to add to the opinion that jumbo frames are worth the effort. This is especially true in a 10GbE iSCSI environment doing a hardware refresh of hosts, storage and switches or a pure greenfield deployment. … Continue reading

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iSCSI configuration on Extreme Networks switches

This is a production configuration I have used with 1GbE and 10GbE Extreme Networks switches for iSCSI storage, specifically a Nimble Storage CS260G with 1GbE management interfaces and 10GbE iSCSI data interfaces. 10GbE iSCSI is on one stacked pair of … Continue reading

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What makes up a Nimble Storage array?

I have been asked a couple of times about what is inside a Nimble Storage array in terms of hardware. People have assumed that there may have been proprietary components in a high performance array, but Nimble’s architecture is completely leveraged off a commodity chassis, off … Continue reading

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Renaming vSphere Datastore device display names

In vCenter, storage devices or volumes/LUNs present themselves with a unique identifier usually prefixed with eui. or naa. These are known as Network Address Authority Identifiers and Extended Unique Identifiers. (part of FC and iSCSI naming format standards for LUNs) However, when looking at them in vSphere and via the … Continue reading

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