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I can only tell from my experience with Citrix XenServer (free edition). There an upgrade is really child's play. Download the .iso from Citrix, burn/write it on a CD/USB-Drive, boot from it and choose upgrade. It will only edit the existing partitions/files of your installation and will not touch your storage repository, where the virtual disks of your VMs ...


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If you are using VMware, a much better way is to use the tools built into VMware to reclaim any unused space on the virtual drive. I used this to reduce the size of the virtual disk from 28 gigabytes down to 13 gigabytes. Your mileage may vary. When I tried using sdelete -z c:, it actually increased the size of the virtual drives to 30 gigabytes, which was ...


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Just wanted to point out to official Microsoft KB about this: Virtual machines lose network connectivity when you use Broadcom NetXtreme 1-gigabit network adapters As I understand this VMQ thing not properly implemented in cheap NICs and as vendors tend to deliver drivers which are targeted to whole product family of NICs not for specific one (i.e. one ...


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Debian comes with this small package for detecting virtualisation type: $ sudo apt-get install virt-what $ virt-what and little bigger because of Perl dependencies: $ sudo apt-get install imvirt $ imvirt


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I figured out what my problem was and I'm posting it here should anyone runs into a similar issue. In my Xen config I did not put in a MAC address. IE I had: vif = [ 'bridge=xenbr0', 'bridge=xenbr1' ] When I needed something like: vif = [ 'bridge=xenbr0', 'mac=00:11:5e:5n:2c:1c,bridge=xenbr1' ] The routing for the MAC address didn't expire right away ...


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You won't be able to see hardware details from your VM instance. This is a discussion you should have with your provider. If stability is an issue, complain or leave. Look at your contract. If the SLA isn't being met, complain or leave. These businesses thrive on the bet that people don't want to own/maintain hardware. But at hosting-scale, you're ...



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