Hi this is a Permission issue. Usually the problem is that KVM run as
root and take over permission on images. You can prevent this by the
proper settings of KVM.
qemu.conf
# The user ID for QEMU processes run by the system instance.
user = "oneuser"
# The group ID for QEMU processes run by the system instance.
group = "onegroup"
# Whether libvirt should dynamically change file ownership
# to match the configured user/group above. Defaults to 1.
# Set to 0 to disable file ownership changes.
dynamic_ownership = 0
And if you do that you need to add oneuser to the kvm group to allow
acces to /dev/kvm... I hope it solves ur problem.
2012-03-23 18:26 keltezéssel, Nicolas AGIUS írta:
Hi,
I found a small bug in OpenNebula v3.2.1.
When I try to delete a VM with a persistent image, the image switch in
the ERROR state and the following trace appear in the log :
------
[ImM][I]: Moving disk /var/lib/one/64/disk.0 to repository image 15
[VMM][D]: Message received: LOG I 64 Driver command for 64 cancelled
[ImG][D]: Message received: LOG I 15 Command execution fail:
/var/lib/one/remotes/image/fs/mv /var/lib/one/64/disk.0
/var/lib/one/images/5f4cc7519564396f02e99a59e5bd45c0 15 15
[ImM][I]: Command execution fail: /var/lib/one/remotes/image/fs/mv
/var/lib/one/64/disk.0
/var/lib/one/images/5f4cc7519564396f02e99a59e5bd45c0 15 15
[ImG][D]: Message received: LOG I 15 mv: Moving local image
/var/lib/one/64/disk.0 to the image repository
[ImM][I]: mv: Moving local image /var/lib/one/64/disk.0 to the image
repository
[ImG][D]: Message received: LOG E 15 mv: Command "mv -f
/var/lib/one/64/disk.0
/var/lib/one/images/5f4cc7519564396f02e99a59e5bd45c0" failed.
[ImM][E]: mv: Command "mv -f /var/lib/one/64/disk.0
/var/lib/one/images/5f4cc7519564396f02e99a59e5bd45c0" failed.
[ImG][D]: Message received: LOG E 15 mv: mv: cannot stat
`/var/lib/one/64/disk.0': No such file or directory
[ImM][E]: mv: mv: cannot stat `/var/lib/one/64/disk.0': No such file
or directory
[ImG][D]: Message received: LOG E 15 Could not move
/var/lib/one/64/disk.0 to
/var/lib/one/images/5f4cc7519564396f02e99a59e5bd45c0
[ImM][E]: Could not move /var/lib/one/64/disk.0 to
/var/lib/one/images/5f4cc7519564396f02e99a59e5bd45c0
[ImG][D]: Message received: LOG I 15 ExitCode: 1
[ImM][I]: ExitCode: 1
[ImG][D]: Message received: MV FAILURE 15 Could not move
/var/lib/one/64/disk.0 to
/var/lib/one/images/5f4cc7519564396f02e99a59e5bd45c0
[ImM][E]: Error saving image to the repository: Could not move
/var/lib/one/64/disk.0 to
/var/lib/one/images/5f4cc7519564396f02e99a59e5bd45c0
--------
It seems that the delete action is doing the following steps :
- Move image to the repo
- Delete image on the host
- Destroy the vm
But the image is not transferred and cause the error. I thinks steps
should be :
- Destroy the vm
- Copy back the image from the host
- Move image to the repo
- Delete image on the host
I've tried to fix it, but I got lost somewhere between C++ and Ruby...
Subsidiary question, why is the core written in C++ and not in Ruby ?
Thanks,
Nicolas AGIUS
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