** Changed in: nova
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1356737
Title:
nova backup vm should not backup those vm boot from cinder volume
Status in OpenStack Compute (Nova):
Fix Released
Bug description:
When doing backup on a vm which boot from cinder volume, it firstly shutdown
vm and then do backup work.
But it fails and the detail exception log could be seen in the last part.
When we need nova to backup a vm booted from cinder volume, we could do this
by using cinder's function----copy volume to image.
I think we could raise an exception when nova backup a vm from cinder volume.
======Nova-compute exception log===================
Traceback (most recent call last):
File
"/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line
134, in _dispatch_and_reply
incoming.message))
File
"/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line
177, in _dispatch
return self._do_dispatch(endpoint, method, ctxt, args)
File
"/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line
123, in _do_dispatch
result = getattr(endpoint, method)(ctxt, **new_args)
File "/opt/stack/nova/nova/exception.py", line 88, in wrapped
payload)
File "/opt/stack/nova/nova/openstack/common/excutils.py", line 82, in
__exit__
six.reraise(self.type_, self.value, self.tb)
File "/opt/stack/nova/nova/exception.py", line 71, in wrapped
return f(self, context, *args, **kw)
File "/opt/stack/nova/nova/compute/manager.py", line 285, in
decorated_function
pass
File "/opt/stack/nova/nova/openstack/common/excutils.py", line 82, in
__exit__
six.reraise(self.type_, self.value, self.tb)
File "/opt/stack/nova/nova/compute/manager.py", line 271, in
decorated_function
return function(self, context, *args, **kwargs)
File "/opt/stack/nova/nova/compute/manager.py", line 313, in
decorated_function
kwargs['instance'], e, sys.exc_info())
File "/opt/stack/nova/nova/openstack/common/excutils.py", line 82, in
__exit__
six.reraise(self.type_, self.value, self.tb)
File "/opt/stack/nova/nova/compute/manager.py", line 301, in
decorated_function
return function(self, context, *args, **kwargs)
File "/opt/stack/nova/nova/compute/manager.py", line 2741, in
backup_instance
self._do_snapshot_instance(context, image_id, instance, rotation)
File "/opt/stack/nova/nova/compute/manager.py", line 360, in
decorated_function
% image_id, instance=instance)
File "/opt/stack/nova/nova/openstack/common/excutils.py", line 82, in
__exit__
six.reraise(self.type_, self.value, self.tb)
File "/opt/stack/nova/nova/compute/manager.py", line 351, in
decorated_function
*args, **kwargs)
File "/opt/stack/nova/nova/compute/manager.py", line 2729, in
_do_snapshot_instance
task_states.IMAGE_BACKUP)
File "/opt/stack/nova/nova/compute/manager.py", line 2807, in
_snapshot_instance
update_task_state)
File "/opt/stack/nova/nova/virt/libvirt/driver.py", line 1501, in snapshot
image_type=source_format)
File "/opt/stack/nova/nova/virt/libvirt/imagebackend.py", line 716, in
snapshot
return backend(path=disk_path)
File "/opt/stack/nova/nova/virt/libvirt/imagebackend.py", line 421, in
__init__
info = libvirt_utils.logical_volume_info(path)
File "/opt/stack/nova/nova/virt/libvirt/utils.py", line 336, in
logical_volume_info
'--separator', '|', path, run_as_root=True)
File "/opt/stack/nova/nova/virt/libvirt/utils.py", line 54, in execute
return utils.execute(*args, **kwargs)
File "/opt/stack/nova/nova/utils.py", line 164, in execute
return processutils.execute(*cmd, **kwargs)
File "/opt/stack/nova/nova/openstack/common/processutils.py", line 194, in
execute
cmd=' '.join(cmd))
ProcessExecutionError: Unexpected error while running command.
Command: lvs -o vg_all,lv_all --separator |
/dev/disk/by-path/ip-10.250.10.193:3260-iscsi-iqn.2010-10.org.openstack:volume-9ba91e05-050b-4dda-ac3c-9f3630c704c0-lun-1
Exit code: 5
Stdout: ''
Stderr: '
"disk/by-path/ip-10.250.10.193:3260-iscsi-iqn.2010-10.org.openstack:volume-9ba91e05-050b-4dda-ac3c-9f3630c704c0-lun-1":
Invalid path for Logical Volume\n'
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