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Description of problem:
In default pool,there is a image which name is as same as remote guest
image,and then run virt-v2v command,v2v will exit,but it will delete the
local image.
Version-Release number of selected component (if applicable):
virt-v2v-0.8.7-6.el6.x86_64
libvirt-0.9.10-21.el6.x86_64
qemu-kvm-0.12.1.2-2.295.el6.x86_64
How reproducible:
always
Steps to Reproduce:
1.Create a image in local host default pool.
# qemu-img create /var/lib/libvirt/images/xen-pv-rhel5.8-x86_64.img 1G
Formatting '/var/lib/libvirt/images/xen-pv-rhel5.8-x86_64.img', fmt=raw
size=1073741824
# ll /var/lib/libvirt/images/xen-pv-rhel5.8-x86_64.img
-rw-r--r--. 1 root root 1073741824 Jun 15 12:57
/var/lib/libvirt/images/xen-pv-rhel5.8-x86_64.img
2.Convert a guest which image name is xen-pv-rhel5.8-x86_64.img
# virt-v2v -ic xen+ssh://10.66.72.123/ -os default xen-pv-rhel5.8-x86_64
root.72.123's password:
virt-v2v: Failed to create storage volume: libvirt error code: 38,
message: cannot create path
'/var/lib/libvirt/images/xen-pv-rhel5.8-x86_64.img': File exists
# echo $?
2
3.# ll /var/lib/libvirt/images/xen-pv-rhel5.8-x86_64.img
Actual results:
The image was removed.
#ll /var/lib/libvirt/images/xen-pv-rhel5.8-x86_64.img
ls: cannot access /var/lib/libvirt/images/xen-pv-rhel5.8-x86_64.img: No
such file or directory
Expected results:
The image should should not be removed.
Additional info:
This is a libvirt bug. I've updated the title and reassigned it accordingly. Here's a simple reproducer:
# cat /tmp/disk.xml
<volume>
<name>unregistered.img</name>
<capacity unit='bytes'>0</capacity>
<allocation unit='bytes'>0</allocation>
<target>
<format type='raw'/>
</target>
</volume>
# touch /var/lib/libvirt/images/unregistered.img
# virsh vol-create default /tmp/disk.xml
error: Failed to create vol from /tmp/disk.xml
error: cannot create path '/var/lib/libvirt/images/unregistered.img': File exists
# ls /var/lib/libvirt/images/unregistered.img
ls: cannot access /var/lib/libvirt/images/unregistered.img: No such file or directory
Note that libvirt has deleted the existing disk image. It should instead have not deleted it and indicated that the volume already exists, as it would have done if the volume was already registered in the pool.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
http://rhn.redhat.com/errata/RHSA-2013-0276.html