Category: Citrix Xen

How to Configure Dom0 Memory in XenServer 5.6

October 30, 2018 Citrix Xen actsupp-r0cks 0

In this blog post, we will show you how to configure Dom0 memory in XenServer 5.6 or later by modifying the configuration file via the console. The Xen hypervisor is a “type 1” hypervisor that runs directly on the hardware. On top of this we run a privileged Linux virtual machine, called “domain 0” ( […]

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How to Change the Pool Master in Citrix Xenserver

July 4, 2014 Citrix Xen actsupp-r0cks 0

In Xenserver pooled environment, if the pool master node goes unresponsive due to some reason. We will not be able to access the slave nodes and its corresponding VM’s from Xencenter. At this time, if we are able to manually SSH into the pool master. We can execute the following commands to make a slave […]

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Steps to Fix VDI Not Available Error in Citrix Xenserver

June 10, 2014 Citrix Xen actsupp-r0cks 0

During a Reboot of a VM at some unavoidable circumstances, the Startup logs might end up with “VDI not available” error. Follow the below steps to fix this: Determine the UUID of the Storage Repository and the VDI that’s exhibiting the issue (we can either get this from xencenter or by using xe sr-list name-lable= […]

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How to Fix – When Xenserver Host Stuck in Maintenance Mode

May 30, 2014 Citrix Xen actsupp-r0cks 0

In this post you will see how to fix Xenserver Host Stuck in Maintenance Mode. Whenever we restart the xapi service (using either service xapi restart, or xe-toolstack-restart) the API will work for about 30 seconds and then it will stop working and any command we run from that server will show something like this: […]

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