[PVE-User] Cannot boot on a Windows 7 VM from a full-cloned template
d.csapak at proxmox.com
Thu Mar 17 16:24:00 CET 2016
could you maybe send your configuration of the template?
(should be under /etc/pve/qemu/106.conf)
I can reproduce the issue, but only when the cache mode of the disk is writeback
> On March 16, 2016 at 7:15 PM Gaël Jobin <gael.jobin at switzerlandmail.ch> wrote:
> Hi all,
> I'm using Proxmox with the testing repo.
> I successfully installed a Windows 7 VM and made a template of it. Then, I
> tried to create a new VM by cloning the previous template (full clone).
> Unfortunately, the new VM cannot boot Windows. On the other hand, with a
> "linked-clone", it works fine.
> I noticed that the cloning was internally doing a "qemu-img convert". More
> precisely in my case, "/usr/bin/qemu-img convert -p -f raw -O raw
> I did the same command manually and was quiet surprised to see that the
> new disk has the exact same size but not the same MD5 hash (md5sum command).
> Any idea why qemu-img corrupt the disk?
> For the moment, I just manually "cp" the base disk to my newly created VM
> directory and it's working. Also, I tried to convert the base disk from raw to
> qcow2 and back qcow2 to raw and the new raw disk is booting fine ! The problem
> seems related to "raw to raw" conversion...
> qemu-img version 2.5.0pve-qemu-kvm_2.5-9
> Thank you for your help,
> pve-user mailing list
> pve-user at pve.proxmox.com
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