Category : Virtualisation

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Virtual Machine Memory Overhead

Tweet Windows virtual machines require more memory with each passing release and software demands on memory are becoming larger all the time.  In a vitual environment it is quite simple to increase the amount of virtual memory granted to a virtual machine, especially with features such as hot add.  The ability to dynamically increase the

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VMWorld 2010 CA & 3tera party video

Tweet Here is a video of some of the entertainment at the CA/3tera party on the Tuesday night during VMWorld. The entertainer is balancing on a ladder, spinning a tray on his head, whilst his head is on fire. he is also juggling a fire club, an axe and a large knife. Oh and he

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Understanding virtual machine memory

Tweet Memory in a virtualised environment is split up in three memory types. Virtual Memory – Allocates memory through a syscall to the operating system.  This runs at the application level in the same way on virtual machines as in physical machines Physical Memory – Runs at the OS level.  In simplistic terms it uses

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Virtual Machine configuration and maximums

Tweet Virtual machines are made up of the following files. vmname.vmx – Config file vmname.vmdk – Describes charateristics vmname-flat.vmdk – (hidden by default) Contains the data vmname.nvram – VM BIOS vmname.log – log file vmware#.log – VMware log file vmname.vswp – Virtual machine swap file on the ESX(i) host vmname.vmsd – snapshot descriptor file Limits

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VMware NIC Trunking Design

Tweet Having read various books, articles, white papers and best practice guides I have found it difficult to find consistently good advice on vNetwork and physical switch teaming design so I thought I would write my own based on what I have tested and configured myself. To begin with I must say I am no

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Powerchute Network Shutdown – ESXi/vMA install

Tweet Powerchute Network Shutdown version 3.0.0 software for ESXi is now free when you purchase a network shutdown management card from the APC website. 1. Download VMA (vSphere Management Assistant) 1. Highlight VM Host> File> Deploy OVF Template> Browse to VMA Folder and Select the OVF> Next> Accept Licence> Next> Keep Default Disk Configuration> Next>

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ESX upgrade guide using putty

Tweet 01:On a Windows box, download the patch bundle directly from VMware. This will be .zip file. 02:On a Windows box with the vSphere client installed, download and install FastSCP. Create a folder called updates in the var file and copy the upgrade files into the Updates on the ESX host. 03::Obtain local console access,

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