Matthias Leopold
2017-Jul-05 09:14 UTC
[Libguestfs] virt-v2v import from KVM without storage-pool ?
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?
thx
matthias
Richard W.M. Jones
2017-Jul-05 13:15 UTC
[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/
Ming Xie
2017-Jul-07 06:52 UTC
Re: [Libguestfs] virt-v2v import from KVM without storage-pool ?
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@redhat.com>
To: "Matthias Leopold" <matthias.leopold@meduniwien.ac.at>
Cc: users@ovirt.org, libguestfs@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@redhat.com
https://www.redhat.com/mailman/listinfo/libguestfs
Ming Xie
2017-Jul-07 07:11 UTC
Re: [Libguestfs] virt-v2v import from KVM without storage-pool ?
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 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@redhat.com>
To: "Matthias Leopold" <matthias.leopold@meduniwien.ac.at>
Cc: users@ovirt.org, libguestfs@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@redhat.com
https://www.redhat.com/mailman/listinfo/libguestfs
Reasonably Related Threads
- virt-v2v import from KVM without storage-pool ?
- Re: virt-v2v import from KVM without storage-pool ?
- Re: virt-v2v import from KVM without storage-pool ?
- Re: virt-v2v import from KVM without storage-pool ?
- Fwd: Please help see issue: conn.storageVolLookupByPath('/var/lib/xen/images/xen-pv-rhel5.9-x64-nolvm.img')