Il 30/09/2013 00:46, Wolfgang Richter ha scritto:
I wanted to explore overhead with the new drive-backup command and I
noticed if I set the target to something like '/dev/null' the guest VM
starts having IO errors and loses write access to its root file
system. Here is the qmp-shell command
On Mon, Sep 30, 2013 at 3:41 AM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 30/09/2013 00:46, Wolfgang Richter ha scritto:
All writes to the drive-backup source have to first copy the pre-write
data to the target. Thus, drive-backup usually works best if you are
using werror=stop on the
I wanted to explore overhead with the new drive-backup command and I
noticed if I set the target to something like '/dev/null' the guest VM
starts having IO errors and loses write access to its root file
system. Here is the qmp-shell command I'm using:
drive-backup sync=none device=virtio0
