Re: [Libguestfs] virt-p2v migration

Ok, thanks Rich, I will take a look and get back to you. On Wed, Feb 1, 2017 at 5:13 PM, Richard W.M. Jones <rjones(a)redhat.com&gt; wrote: > On Wed, Feb 01, 2017 at 04:57:24PM +0000, cmc wrote: >> Hi, >> >> I've been trying to migrate a physical host with two disks (the first, >> sda, is the OS disk and the second, sdb, is a data disk) into a VM, >> and it always fails on the second disk. The first disk, the OS disk, >> migrates fine, but when it starts on the second it fails almost >> straightaway with the following error: >> >> (0.00/100%)^Mqemu-img: Could not open '/var/tmp/v2vovl811e67.qcow2': >> Could not open backing file: Failed to connect socket: Connection >> refused >> >> I can't see this backing file, but it may be deleted when the process >> fails, as unfortunately it cleans up and deletes not only the >> successfully migrated sda and associated files, but I suspect the >> second as well. Most of the rest of the log can be seen at: >> >> http://theninthdimension.blogspot.co.uk/2017/02/virt-p2v-error.html > > What's actually happening is when the conversion server tries to > connect to the second disk, the ssh connection has been dropped, hence > the "backing file" (in fact an NBD server) cannot be connected to. > > Refer to the second diagram here: > > http://libguestfs.org/virt-p2v.1.html#how-virt-p2v-works > > I don't know why the second connection has been dropped. Does the > conversion server have ssh timeouts enabled? Or bash timeouts? You > can check ClientAlive* settings in /etc/ssh/sshd_config. Also look > for TMOUT or TIMEOUT environment variables on the conversion server. > You can also look in the logs on the conversion server to see if the > ssh connection was dropped or forced to close, and why. > > Rich. > > -- > Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones > Read my programming and virtualization blog: http://rwmj.wordpress.com > virt-p2v converts physical machines to virtual machines. Boot with a > live CD or over the network (PXE) and turn machines into KVM guests. > http://libguestfs.org/virt-v2v