Re: [Libguestfs] virt-v2v import from KVM without storage-pool ?

Hi, yes it is an issue in VDSM. We count on the disks being in storage pool (except for block devices). Can you open a BZ bug for that please. Thanks, Tomas On Fri, 7 Jul 2017 02:52:26 -0400 (EDT) Ming Xie <mxie(a)redhat.com&gt; wrote: > I could reproduce customer's problem > > Packages: > rhv:4.1.3-0.1.el7 > vdsm-4.19.20-1.el7ev.x86_64 > virt-v2v-1.36.3-6.el7.x86_64 > libguestfs-1.36.3-6.el7.x86_64 > > Steps: > 1.Prepare a guest which is not listed storage pool > # virsh dumpxml avocado-vt-vm1 > .... > <disk type='file' device='disk'> > <driver name='qemu' type='qcow2'/> > <source file='/root/RHEL-7.3-x86_64-latest.qcow2'/> > <target dev='vda' bus='virtio'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/> > </disk> > ..... > 2.Try to import this guest in rhv4.1 from KVM host but failed to import the guest as screenshot and get error info from vdsm.log > .... > 2017-07-07 14:41:22,176+0800 ERROR (jsonrpc/6) [root] Error getting disk size (v2v:1089) > Traceback (most recent call last): > File "/usr/lib/python2.7/site-packages/vdsm/v2v.py", line 1078, in _get_disk_info > vol = conn.storageVolLookupByPath(disk['alias']) > File "/usr/lib64/python2.7/site-packages/libvirt.py", line 4555, in storageVolLookupByPath > if ret is None:raise libvirtError('virStorageVolLookupByPath() failed', conn=self) > libvirtError: Storage volume not found: no storage vol with matching path '/root/RHEL-7.3-x86_64-latest.qcow2' > .... > > > 3.Try to convert this guest to rhv by virt-v2v on v2v conversion server,could import the guest from export domain to data domain on rhv4.1 after finishing conversion > # virt-v2v avocado-vt-vm1 -o rhv -os 10.73.131.93:/home/nfs_export > [ 0.0] Opening the source -i libvirt avocado-vt-vm1 > [ 0.0] Creating an overlay to protect the source from being modified > [ 0.4] Initializing the target -o rhv -os 10.73.131.93:/home/nfs_export > [ 0.7] Opening the overlay > [ 6.1] Inspecting the overlay > [ 13.8] Checking for sufficient free disk space in the guest > [ 13.8] Estimating space required on target for each disk > [ 13.8] Converting Red Hat Enterprise Linux Server 7.3 (Maipo) to run on KVM > virt-v2v: This guest has virtio drivers installed. > [ 52.2] Mapping filesystem data to avoid copying unused and blank areas > [ 52.4] Closing the overlay > [ 52.7] Checking if the guest needs BIOS or UEFI to boot > [ 52.7] Assigning disks to buses > [ 52.7] Copying disk 1/1 to /tmp/v2v.Zzc4KD/c9cfeba7-73f8-428a-aa77-9a2a1acf0063/images/c8eb039e-3007-4e08-9580-c49da8b73d55/f76d16ea-5e66-4987-a496-8f378b127986 (qcow2) > (100.00/100%) > [ 152.4] Creating output metadata > [ 152.6] Finishing off > > > Result: > So this problem is caused by vdsm or ovirt > > Regards > Ming Xie > > ----- Original Message ----- > From: "Richard W.M. Jones" <rjones(a)redhat.com&gt; > To: "Matthias Leopold" <matthias.leopold(a)meduniwien.ac.at&gt; > Cc: users(a)ovirt.org, libguestfs(a)redhat.com > Sent: Wednesday, July 5, 2017 9:15:16 PM > Subject: Re: [Libguestfs] virt-v2v import from KVM without storage-pool ? > > On Wed, Jul 05, 2017 at 11:14:09AM +0200, Matthias Leopold wrote: >> hi, >> >> i'm trying to import a VM in oVirt from a KVM host that doesn't use >> storage pools. this fails with the following message in >> /var/log/vdsm/vdsm.log: >> >> 2017-07-05 09:34:20,513+0200 ERROR (jsonrpc/5) [root] Error getting >> disk size (v2v:1089) >> Traceback (most recent call last): >> File "/usr/lib/python2.7/site-packages/vdsm/v2v.py", line 1078, in >> _get_disk_info >> vol = conn.storageVolLookupByPath(disk['alias']) >> File "/usr/lib64/python2.7/site-packages/libvirt.py", line 4770, >> in storageVolLookupByPath >> if ret is None:raise libvirtError('virStorageVolLookupByPath() >> failed', conn=self) >> libvirtError: Storage volume not found: no storage vol with matching path >> >> the disks in the origin VM are defined as >> >> <disk type='file' device='disk'> >> <driver name='qemu' type='raw' cache='writethrough'/> >> <source file='/dev/kvm108/kvm108_img'/> >> >> <disk type='file' device='cdrom'> >> <driver name='qemu' type='raw'/> >> <source file='/some/path/CentOS-7-x86_64-Minimal-1611.iso'/> >> >> is this a virt-v2v or oVirt problem? > > Well the stack trace is in the oVirt code, so I guess it's an oVirt > problem. Adding ovirt-users mailing list. > > Rich. > > -- > Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones > Read my programming and virtualization blog: http://rwmj.wordpress.com > virt-df lists disk usage of guests without needing to install any > software inside the virtual machine. Supports Linux and Windows. > http://people.redhat.com/~rjones/virt-df/ > > _______________________________________________ > Libguestfs mailing list > Libguestfs(a)redhat.com > https://www.redhat.com/mailman/listinfo/libguestfs