If you try to start a VM in XenSource and you see an error that SR_BACKEND_FAILURE_46 then one way to resolve is to detach the storage and reattach while forgetting and resetting the VM’s uuid. To do so, first locate the VM in question and go to the Storage tab to find the SR. Click Properties and add _temp to the end of the name so that you can easily find it to reattach. Then click on the Detach button for the storage. From the Console for the host, run the following (assuming the VM is called JACKED): xe vdi-list name-label= “JACKED_temp” Note the VDI UUID and SR UUID, which…
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Using the XenSource Command Line Interface
XenSource has some pretty good GUI tools. There’s XenCenter and the xsconsole, both of which are pretty adequate in a free sense and get pretty darn interesting when you actually pay Citrix. But today I want to take a little look under the hood of XenSource. I had previously written about Xen. But note that this is a different beast. Before I get started talking about how to do some tasks in XenSource, I first want to throw out there a few terms. The first, is virtual machine. This is exactly what it sounds like, an operating system that runs on a virtual host rather than a physical hosts. So…
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Citrix and XenSource
I originally posted this at http://www.318.com/TechJournal It seems like everyone wants to dabble in the Open Source market these days. First came the RedHat, VA Linux and other public companies using Open Source technologies to ramp up. Then IT giants such as Novell, Sun and Apple started to come to markets with products faster due to their newfound Open Source roots. Now a lot of other companies are jumping on the bandwagon and introducing products based on Open Source technologies or purchasing other companies to help them do so quickly. Citrix has purchased XenSource, a company that provided virtualization products based on the Xen Open Source virtualization platform. XenSource is…