Virtualisation

Virtualisation related

To SSD or not to SSD?

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A very good article by Duncan Epping on his blog site hughlighting a common issue with the all the hype about SSD and flash been the utopia answer to Data Centre IO performance problems. Not what is all seams to be….. http://www.yellow-bricks.com/2013/06/03/evaluating-ssds-in-virtualized-datacenters-by-irfan-ahmad/

VMware KB: Unmounting a LUN or Detaching a Datastore/Storage Device from multiple ESXi 5.x hosts

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VMware KB: Unmounting a LUN or Detaching a Datastore/Storage Device from multiple ESXi 5.x hosts.

VMware: Add PortGroup to all hosts in cluster with PowerCLI | VMpros

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Very usefull and time saving script – found over on blog site VMPROS. Many Thanks. Get-Cluster “My Cluster” | Get-VMHost | Get-VirtualSwitch -Name “vSwitch0″ | New-VirtualPortGroup -Name “MyPortGroupName” -VLanId 1234 via VMware: Add PortGroup to all hosts in cluster with PowerCLI | VMpros.

Introducing the vCenter Certificate Automation Tool 1.0 | VMware Support Insider – VMware Blogs

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New Tool to automate the installation of custom certificates – another one for me to test on Monday! 🙂 This will be very handy with my previous post. Introducing the vCenter Certificate Automation Tool 1.0 | VMware Support Insider – VMware Blogs.

Powershell – Generate Microsoft CA signed SSL certificates with vSphere 5.1 « DefinIT

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Excellent blog/guide on to automate the certificates needed for vSphere 5.1 Note not tried myself yet – that Mondays Job!  Will update post on my findings….. Powershell – Generate Microsoft CA signed SSL certificates with vSphere 5.1 « DefinIT. Update (12/03/2013): Now used this script. Works very well. Unfortunately the vmware tool to automate the … Read more

VMware KB: Forcing a link state up or down for a vmnic interface on ESXi 5.x

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Forcing a link state up or down for a vmnic interface on ESXi 5.x VMware KB: Forcing a link state up or down for a vmnic interface on ESXi 5.x. Used this to help work out the physical server’s NIC interfaces had been cabled up to the network switch correctly. Luckily, the servers DRAC Remote access … Read more

virtuallyGhetto: How to Enable Support for Nested 64bit & Hyper-V VMs in vSphere 5

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How to Enable Support for Nested 64bit & Hyper-V VMs in vSphere 5 Excellent guide over on the blog site: virtuallyGhetto  How to Enable Support for Nested 64bit & Hyper-V VMs in vSphere 5.

Adaptive Queueing vs. Storage I/O Control |

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An excellent and well explained guide for VMWare IO storage control  – how queue depth and queue full conditions are handled. Adaptive Queueing vs. Storage I/O Control |.