My VMware blog

To help others as others have helped me

Quick Tips

Quick Tip: How to create an RDM mapping file via the CLI

Before we begin Before we can create an RDM mapping file using the CLI we need to locate the following information The VML of the device The file location of the Virtual Machine The tools we will use to find this are An SSH terminal Vmkfstools esxicli Obtain the VML details Do not map the […]

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Quick Tip: How to create a VMware ESXi USB Boot device

A few people have been asking how to create an ESXi USB boot device in order to install ESXi via USB instead of DVD. To help them and others I decided to document the approach I have used which has worked for me over the years. To create a USB boot image of the ESXi […]

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IOPS Calculator

Over the last few weeks I have needed to calculate the theoretical amount of IOPS a collection of disks can produce a few times and to help myself I created a spreadsheet with all the inputs I would need and this then produced a theoretical calculation of the amount of IOPS the disk collection could […]

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Deploy OVF: This action is not available for any of the selected objects at this time

I just tried to upload a OVF template to a new install of the vCSA 5.1 (Virtual Center Appliance) but kept getting the error message “Deploy OVF: This action is not available for any of the selected objects at this time”. This problem is caused by the Client Integration Plugin not being installed. To install […]

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vSphere Replication VM Requirements

In a recent VMWare design I included the vSphere 5.1 Replication component as a standalone Virtual Appliance. As part of my design I need to record each VM requirements to ensure that I was building an N+1 solution so I started to research the recommended requirements for a vSphere 5.1 Virtual Appliance but unlike other […]

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Quick Tip: What the difference between the Consumed Host Memory and Active Guest Memory

So what is the difference between “Consumed Host Memory and Active Guest Memory”? A view of a VM Consumed and Active Guest Memory Consumed Host Memory = The amount of physical memory that has been allocated to the virtual machine by you the VM administrator plus the overhead that the ESXi hosts to use in […]