Logical volume "vm-sys-net-volatile" already exists in volume group"qubes_dom0"

How I can solve this problem?

Try rebooting dom0.

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After my system crashed and rebooted I had the same error message. I was able to fix it by issuing the following commands in dom0:

  • dom0: lvdisplay (and searching for the path to the logical volume, e.g. lvdisplay|grep vm-sys-net-volatile)
  • dom0: lvremove (e.g. lvremove /dev/qubes_dom0/vm-sys-net-volatile)

My expectation was that the volatile logical volumes are only temporary. So by deleting it I only lose the temporary changes after the last reboot of the VM. It worked like expected, but I didn’t check for any data loss. I was able to boot the VM and all was working like expected.