KVM VM will not boot (boot sector corruption or partition corruption)


Active Member
Aug 1, 2011
After backup some Linux KVM VMs regularily seem to have done hard reset and cannot boot anymore.
I fix these VMs by booting from live CD and using gpart -W /dev/sda /dev/sda and grub install
Is there a way to fix that?
PVE Manager version 5.3.7
Same problem for me.
I have Centos-7 and Ubuntu-18 VM, They work fine after the installation.
But after few days (due to the backup i guess), I am unable to boot the VM (No bootable Media Found).
After checking with Rescue Linux, i found that my partition table was erased.

At the beginning I thin that it was due to a misconfiguration in the VM. But the same behavior on the 2 VM make me think that the problem is on Proxmox.

Please let me know if someone found a solution


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