[Xen-users] Live Migration of a Virtual Machine without a Shared Storage

[Nick Katsipoulakis <popanik@xxxxxxxxx>]

Hello everyone.

I am currently working on a Project for my thesis, which involves migrating a VM from one host to another.

A FUSE filesystem, which I developed, is responsible for moving the Disk contents (Virtual Disk Image) from the source to the destination host. The VM continues to operate on the source machine until I reach the "Hand-Over" phase of my approach. During that phase I need to start operating the VM to the destination host. In order to achieve this I have to move the CPU and RAM state on the destination host.

I am aware of the fact that the live migration feature of Xen needs to have shared storage for the disk images. In my case, the disk image is moved to the destination machine, so that Xen can access it from its local Filesystem. How can I command Xen to live migrate the VM and look for the disk image in the local repository of the Destination Machine? Is there a tutorial (or guide) that indicates how this can be done?

Thank you in advance.

Nick

P.S.: I realize that my post may be confusing, so do not hesitate to ask questions.

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