Category: Hypervisor

XenServer 5.x/6.x – Update expired license

INFORMATION If you are currently running a legacy Citrix Xenserver 5.x/6.x with a free license, be aware that you cannot renew the license by requesting a new license the old way. Trying to request a license from http://deliver.citrix.com/go/citrix/xenserver_activation you will be presented with the following statement and unable to retrieve a license: As stated in…



Citrix Hypervisor 8.0

25th of April Citrix published new major release 8.0 of XenServer, which now officially becomes Citrix Hypervisor. The release is added to the Current Release (CR) track and comes in handy to upcoming End of Life for formerly latest Current Release, Xenserver 7.6. Below I will shortly cover the most exciting news. Name change As…



PVS-Accelerator

Introduction PVS-Accelerator is a feature for Citrix Hypervisor (previously named XenServer). The feature utilizes the local storage and RAM on Dom0 on each Citrix Hypervisor and caches read requests from a provisioned target device. It saves network, CPU and Provisioning host disk I/O resources, effectively improving performance. Overall your storage and network should see an…



How to manually crash your VM on a XenServer

Sometimes you need to simulate or provoke a crash on a Virtual Machine to either verify a problem or get a Memory Dump to have a closer look at whats is happening with the Virtual Machine. The thing is, its quite tricky to do that manually. Lucky for you there is a quite simple way…



Automate tasks with use of XenServer Powershell Module

Working with backups of your virtual machines is obviously essential. Working with exports in XenServer can some times be time consuming, particularly with bigger virtual disks attached to your virtual machine. In this scenario I will show you an alternative to manually export via XenCenter, by doing it with Powershell to an remote server using…



XenServer Hotfix XS70E004 viktig vid installation av XenServer 7.0

Vid installation av och uppgradering till XenServer 7.0 finns det en överhängande risk att data på anslutna SR blir korrupt. Citrix rekommenderar därför inte bara installation av hotfix XS70E004 som löser problemet utan skriver till och med att alla som har installerat XenServer 7.0 måste installera hotfixen. Länk till nämnd hotfix: http://support.citrix.com/article/CTX214305 Se till att…