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Message #14024
[Bug 1314526] [NEW] revert resize removes rbd shared image
Public bug reported:
We run multi-host nova-compute with
libvirt_images_type=rbd
libvirt_images_rbd_pool=compute
Resize-confirm function works just fine.
Resize-revert removes shared rbd for both instances image during reverting.
Options nova.conf i've tried to change with no luck :
allow_resize_to_same_host=True/False
resize_fs_using_block_device=True/False
block_migration_flag=VIR_MIGRATE_UNDEFINE_SOURCE, VIR_MIGRATE_PEER2PEER, VIR_MIGRATE_NON_SHARED_INC
live_migration_flag=VIR_MIGRATE_UNDEFINE_SOURCE, VIR_MIGRATE_PEER2PEER
Errors you can find at the bottom of the page:
During revert process for both types of migration there is
driver.destroy() at destination that removes original image from rbd
storage.
https://github.com/openstack/nova/blob/master/nova/compute/manager.py#L3164
_____________
def revert_resize(self, context, instance, migration, reservations):
...
self.driver.destroy(context, instance, network_info,
block_device_info)
...
_____________
that calls
https://github.com/openstack/nova/blob/master/nova/virt/libvirt/driver.py#L956
_____________
def destroy(self, context, instance, network_info, block_device_info=None,
destroy_disks=True):
self._destroy(instance)
self.cleanup(context, instance, network_info, block_device_info,
destroy_disks)
_____________
that calls
https://github.com/openstack/nova/blob/master/nova/virt/libvirt/driver.py#L1069
_____________
def cleanup(self, context, instance, network_info, block_device_info=None,
destroy_disks=True):
....
if destroy_disks:
self._delete_instance_files(instance)
self._cleanup_lvm(instance)
#NOTE(haomai): destroy volumes if needed
if CONF.libvirt.images_type == 'rbd':
self._cleanup_rbd(instance)
....
_____________
revert_resize runs destroy function without destory_disk variable which
makes cleanup function to delete SHARED image.
Here is approximate solution (not a developer)
https://github.com/openstack/nova/blob/master/nova/compute/manager.py#L3199
change from :
_____________
self.driver.destroy(context, instance, network_info,
block_device_info)
_____________
to:
_____________
destroy_disks = not (self._is_instance_storage_shared(context, instance))
self.driver.destroy(instance, network_info,
block_device_info)
block_device_info, destroy_disks=destroy_disks)
_____________
ERROR1####################################################
<179>Apr 28 14:14:00 [compute] node-39 <U+FEFF>nova-nova.virt.libvirt.imagebackend ERROR: error opening rbd image /var/lib/
nova/instances/_base/103bc0322b21e499ecea1c360abc6843ab829d06
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 467, in __init__
read_only=read_only)
File "/usr/lib/python2.7/dist-packages/rbd.py", line 351, in __init__
raise make_ex(ret, 'error opening image %s at snapshot %s' % (name, snapshot))
ImageNotFound: error opening image /var/lib/nova/instances/_base/103bc0322b21e499ecea1c360abc6843ab829d06 at snapshot None
<179>Apr 28 14:14:00 [compute] node-39 <U+FEFF>nova-nova.compute.manager ERROR: Setting instance vm_state to ERROR
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 3160, in finish_resize
disk_info, image)
File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 3128, in _finish_resize
block_device_info, power_on)
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 4627, in finish_migration
block_device_info=None, inject_files=False)
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2395, in _create_image
project_id=instance['project_id'])
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 177, in cache
*args, **kwargs)
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 638, in create_image
self.verify_base_size(base, size)
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 218, in verify_base_size
base_size = self.get_disk_size(base)
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 622, in get_disk_size
with RBDVolumeProxy(self, name) as vol:
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 467, in __init__
read_only=read_only)
File "/usr/lib/python2.7/dist-packages/rbd.py", line 351, in __init__
raise make_ex(ret, 'error opening image %s at snapshot %s' % (name, snapshot))
ERROR2####################################################
<179>Apr 29 08:34:13 [compute] node-39 <U+FEFF>nova-nova.virt.libvirt.driver ERROR: An error occurred while trying to launc
h a defined domain with xml ...
<179>Apr 29 08:34:13 [compute] node-39 <U+FEFF>nova-nova.compute.manager ERROR: Setting instance vm_state to ERROR
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 4997, in _error_out_instance_on_exception
yield
File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2841, in finish_revert_resize
block_device_info, power_on)
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 4673, in finish_revert_migration
block_device_info, power_on)
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3255, in _create_domain_and_network
domain = self._create_domain(xml, instance=instance, power_on=power_on)
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3198, in _create_domain
domain.XMLDesc(0))
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3193, in _create_domain
domain.createWithFlags(launch_flags)
File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 179, in doit
result = proxy_call(self._autowrap, f, *args, **kwargs)
File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 139, in proxy_call
rv = execute(f,*args,**kwargs)
File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 77, in tworker
rv = meth(*args,**kwargs)
File "/usr/lib/python2.7/dist-packages/libvirt.py", line 711, in createWithFlags
if ret == -1: raise libvirtError ('virDomainCreateWithFlags() failed', dom=self)
libvirtError: internal error process exited while connecting to monitor: char device redirected to /dev/pts/4
kvm: -drive file=rbd:.... hiden... No such file or directory
####################################################
** Affects: nova
Importance: Undecided
Status: New
** Attachment added: "error1.txt"
https://bugs.launchpad.net/bugs/1314526/+attachment/4101096/+files/error1.txt
** Description changed:
We run multi-host nova-compute with
libvirt_images_type=rbd
libvirt_images_rbd_pool=compute
- Resize-confirm function works just fine.
- Resize-revert removes shared rbd for both instances image during reverting.
+ Resize-confirm function works just fine.
+ Resize-revert removes shared rbd for both instances image during reverting.
Options nova.conf i've tried to change with no luck :
allow_resize_to_same_host=True/False
resize_fs_using_block_device=True/False
- block_migration_flag=VIR_MIGRATE_UNDEFINE_SOURCE, VIR_MIGRATE_PEER2PEER, VIR_MIGRATE_NON_SHARED_INC
- live_migration_flag=VIR_MIGRATE_UNDEFINE_SOURCE, VIR_MIGRATE_PEER2PEER
+ block_migration_flag=VIR_MIGRATE_UNDEFINE_SOURCE, VIR_MIGRATE_PEER2PEER, VIR_MIGRATE_NON_SHARED_INC
+ live_migration_flag=VIR_MIGRATE_UNDEFINE_SOURCE, VIR_MIGRATE_PEER2PEER
Errors you can find at the bottom of the page:
During revert process for both types of migration there is
driver.destroy() at destination that removes original image from rbd
storage.
https://github.com/openstack/nova/blob/master/nova/compute/manager.py#L3164
_____________
def revert_resize(self, context, instance, migration, reservations):
- ...
- self.driver.destroy(context, instance, network_info,
- block_device_info)
-
- ...
+ ...
+ self.driver.destroy(context, instance, network_info,
+ block_device_info)
+
+ ...
_____________
that calls
https://github.com/openstack/nova/blob/master/nova/virt/libvirt/driver.py#L956
_____________
def destroy(self, context, instance, network_info, block_device_info=None,
- destroy_disks=True):
- self._destroy(instance)
- self.cleanup(context, instance, network_info, block_device_info,
- destroy_disks)
+ destroy_disks=True):
+ self._destroy(instance)
+ self.cleanup(context, instance, network_info, block_device_info,
+ destroy_disks)
_____________
that calls
https://github.com/openstack/nova/blob/master/nova/virt/libvirt/driver.py#L1069
_____________
def cleanup(self, context, instance, network_info, block_device_info=None,
- destroy_disks=True):
- ....
- if destroy_disks:
- self._delete_instance_files(instance)
- self._cleanup_lvm(instance)
- #NOTE(haomai): destroy volumes if needed
- if CONF.libvirt.images_type == 'rbd':
- self._cleanup_rbd(instance)
- ....
+ destroy_disks=True):
+ ....
+ if destroy_disks:
+ self._delete_instance_files(instance)
+ self._cleanup_lvm(instance)
+ #NOTE(haomai): destroy volumes if needed
+ if CONF.libvirt.images_type == 'rbd':
+ self._cleanup_rbd(instance)
+ ....
_____________
revert_resize runs destroy function without destory_disk variable which
makes cleanup function to delete SHARED image.
Here is approximate solution (not a developer)
https://github.com/openstack/nova/blob/master/nova/compute/manager.py#L3199
- change from :
+ change from :
_____________
self.driver.destroy(context, instance, network_info,
- block_device_info)
+ block_device_info)
_____________
- to:
+ to:
_____________
destroy_disks = not (self._is_instance_storage_shared(context, instance))
- self.driver.destroy(instance, network_info,
- block_device_info)
- block_device_info, destroy_disks=destroy_disks)
+ self.driver.destroy(instance, network_info,
+ block_device_info)
+ block_device_info, destroy_disks=destroy_disks)
_____________
-
ERROR1####################################################
<179>Apr 28 14:14:00 [compute] node-39 <U+FEFF>nova-nova.virt.libvirt.imagebackend ERROR: error opening rbd image /var/lib/
nova/instances/_base/103bc0322b21e499ecea1c360abc6843ab829d06
Traceback (most recent call last):
- File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 467, in __init__
- read_only=read_only)
- File "/usr/lib/python2.7/dist-packages/rbd.py", line 351, in __init__
- raise make_ex(ret, 'error opening image %s at snapshot %s' % (name, snapshot))
+ File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 467, in __init__
+ read_only=read_only)
+ File "/usr/lib/python2.7/dist-packages/rbd.py", line 351, in __init__
+ raise make_ex(ret, 'error opening image %s at snapshot %s' % (name, snapshot))
ImageNotFound: error opening image /var/lib/nova/instances/_base/103bc0322b21e499ecea1c360abc6843ab829d06 at snapshot None
<179>Apr 28 14:14:00 [compute] node-39 <U+FEFF>nova-nova.compute.manager ERROR: Setting instance vm_state to ERROR
Traceback (most recent call last):
- File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 3160, in finish_resize
- disk_info, image)
- File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 3128, in _finish_resize
- block_device_info, power_on)
- File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 4627, in finish_migration
- block_device_info=None, inject_files=False)
- File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2395, in _create_image
- project_id=instance['project_id'])
- File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 177, in cache
- *args, **kwargs)
- File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 638, in create_image
- self.verify_base_size(base, size)
- File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 218, in verify_base_size
- base_size = self.get_disk_size(base)
- File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 622, in get_disk_size
- with RBDVolumeProxy(self, name) as vol:
- File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 467, in __init__
- read_only=read_only)
- File "/usr/lib/python2.7/dist-packages/rbd.py", line 351, in __init__
- raise make_ex(ret, 'error opening image %s at snapshot %s' % (name, snapshot))
+ File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 3160, in finish_resize
+ disk_info, image)
+ File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 3128, in _finish_resize
+ block_device_info, power_on)
+ File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 4627, in finish_migration
+ block_device_info=None, inject_files=False)
+ File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2395, in _create_image
+ project_id=instance['project_id'])
+ File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 177, in cache
+ *args, **kwargs)
+ File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 638, in create_image
+ self.verify_base_size(base, size)
+ File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 218, in verify_base_size
+ base_size = self.get_disk_size(base)
+ File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 622, in get_disk_size
+ with RBDVolumeProxy(self, name) as vol:
+ File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 467, in __init__
+ read_only=read_only)
+ File "/usr/lib/python2.7/dist-packages/rbd.py", line 351, in __init__
+ raise make_ex(ret, 'error opening image %s at snapshot %s' % (name, snapshot))
ERROR2####################################################
<179>Apr 29 08:34:13 [compute] node-39 <U+FEFF>nova-nova.virt.libvirt.driver ERROR: An error occurred while trying to launc
h a defined domain with xml ...
<179>Apr 29 08:34:13 [compute] node-39 <U+FEFF>nova-nova.compute.manager ERROR: Setting instance vm_state to ERROR
Traceback (most recent call last):
- File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 4997, in _error_out_instance_on_exception
- yield
- File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2841, in finish_revert_resize
- block_device_info, power_on)
- File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 4673, in finish_revert_migration
- block_device_info, power_on)
- File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3255, in _create_domain_and_network
- domain = self._create_domain(xml, instance=instance, power_on=power_on)
- File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3198, in _create_domain
- domain.XMLDesc(0))
- File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3193, in _create_domain
- domain.createWithFlags(launch_flags)
- File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 179, in doit
- result = proxy_call(self._autowrap, f, *args, **kwargs)
- File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 139, in proxy_call
- rv = execute(f,*args,**kwargs)
- File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 77, in tworker
- rv = meth(*args,**kwargs)
- File "/usr/lib/python2.7/dist-packages/libvirt.py", line 711, in createWithFlags
- if ret == -1: raise libvirtError ('virDomainCreateWithFlags() failed', dom=self)
+ File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 4997, in _error_out_instance_on_exception
+ yield
+ File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2841, in finish_revert_resize
+ block_device_info, power_on)
+ File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 4673, in finish_revert_migration
+ block_device_info, power_on)
+ File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3255, in _create_domain_and_network
+ domain = self._create_domain(xml, instance=instance, power_on=power_on)
+ File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3198, in _create_domain
+ domain.XMLDesc(0))
+ File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3193, in _create_domain
+ domain.createWithFlags(launch_flags)
+ File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 179, in doit
+ result = proxy_call(self._autowrap, f, *args, **kwargs)
+ File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 139, in proxy_call
+ rv = execute(f,*args,**kwargs)
+ File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 77, in tworker
+ rv = meth(*args,**kwargs)
+ File "/usr/lib/python2.7/dist-packages/libvirt.py", line 711, in createWithFlags
+ if ret == -1: raise libvirtError ('virDomainCreateWithFlags() failed', dom=self)
libvirtError: internal error process exited while connecting to monitor: char device redirected to /dev/pts/4
- kvm: -drive file=rbd:compute/02496df7-9514-43c7-a687-835488e43c0c_disk:id=compute:key=AQDl3ipTwGYSHBAAyjaA2kYw7zQb6TaRdvKflQ==:auth_supported=cephx\;none:mon_host=10.100.0.6\:6789\;10.100.0.9\:6789\;10.100.0.10\:6789,if=none,id=drive-virtio-disk0,format=raw,cache=none: error reading header from 02496df7-9514-43c7-a687-835488e43c0c_disk
- kvm: -drive file=rbd:compute/02496df7-9514-43c7-a687-835488e43c0c_disk:id=compute:key=AQDl3ipTwGYSHBAAyjaA2kYw7zQb6TaRdvKflQ==:auth_supported=cephx\;none:mon_host=10.100.0.6\:6789\;10.100.0.9\:6789\;10.100.0.10\:6789,if=none,id=drive-virtio-disk0,format=raw,cache=none: could not open disk image rbd:compute/02496df7-9514-43c7-a687-835488e43c0c_disk:id=compute:key=AQDl3ipTwGYSHBAAyjaA2kYw7zQb6TaRdvKflQ==:auth_supported=cephx\;none:mon_host=10.100.0.6\:6789\;10.100.0.9\:6789\;10.100.0.10\:6789: No such file or directory
+ kvm: -drive file=rbd:.... hiden... No such file or directory
####################################################
** Attachment removed: "error1.txt"
https://bugs.launchpad.net/nova/+bug/1314526/+attachment/4101096/+files/error1.txt
--
You received this bug notification because you are a member of Yahoo!
Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1314526
Title:
revert resize removes rbd shared image
Status in OpenStack Compute (Nova):
New
Bug description:
We run multi-host nova-compute with
libvirt_images_type=rbd
libvirt_images_rbd_pool=compute
Resize-confirm function works just fine.
Resize-revert removes shared rbd for both instances image during reverting.
Options nova.conf i've tried to change with no luck :
allow_resize_to_same_host=True/False
resize_fs_using_block_device=True/False
block_migration_flag=VIR_MIGRATE_UNDEFINE_SOURCE, VIR_MIGRATE_PEER2PEER, VIR_MIGRATE_NON_SHARED_INC
live_migration_flag=VIR_MIGRATE_UNDEFINE_SOURCE, VIR_MIGRATE_PEER2PEER
Errors you can find at the bottom of the page:
During revert process for both types of migration there is
driver.destroy() at destination that removes original image from rbd
storage.
https://github.com/openstack/nova/blob/master/nova/compute/manager.py#L3164
_____________
def revert_resize(self, context, instance, migration, reservations):
...
self.driver.destroy(context, instance, network_info,
block_device_info)
...
_____________
that calls
https://github.com/openstack/nova/blob/master/nova/virt/libvirt/driver.py#L956
_____________
def destroy(self, context, instance, network_info, block_device_info=None,
destroy_disks=True):
self._destroy(instance)
self.cleanup(context, instance, network_info, block_device_info,
destroy_disks)
_____________
that calls
https://github.com/openstack/nova/blob/master/nova/virt/libvirt/driver.py#L1069
_____________
def cleanup(self, context, instance, network_info, block_device_info=None,
destroy_disks=True):
....
if destroy_disks:
self._delete_instance_files(instance)
self._cleanup_lvm(instance)
#NOTE(haomai): destroy volumes if needed
if CONF.libvirt.images_type == 'rbd':
self._cleanup_rbd(instance)
....
_____________
revert_resize runs destroy function without destory_disk variable
which makes cleanup function to delete SHARED image.
Here is approximate solution (not a developer)
https://github.com/openstack/nova/blob/master/nova/compute/manager.py#L3199
change from :
_____________
self.driver.destroy(context, instance, network_info,
block_device_info)
_____________
to:
_____________
destroy_disks = not (self._is_instance_storage_shared(context, instance))
self.driver.destroy(instance, network_info,
block_device_info)
block_device_info, destroy_disks=destroy_disks)
_____________
ERROR1####################################################
<179>Apr 28 14:14:00 [compute] node-39 <U+FEFF>nova-nova.virt.libvirt.imagebackend ERROR: error opening rbd image /var/lib/
nova/instances/_base/103bc0322b21e499ecea1c360abc6843ab829d06
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 467, in __init__
read_only=read_only)
File "/usr/lib/python2.7/dist-packages/rbd.py", line 351, in __init__
raise make_ex(ret, 'error opening image %s at snapshot %s' % (name, snapshot))
ImageNotFound: error opening image /var/lib/nova/instances/_base/103bc0322b21e499ecea1c360abc6843ab829d06 at snapshot None
<179>Apr 28 14:14:00 [compute] node-39 <U+FEFF>nova-nova.compute.manager ERROR: Setting instance vm_state to ERROR
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 3160, in finish_resize
disk_info, image)
File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 3128, in _finish_resize
block_device_info, power_on)
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 4627, in finish_migration
block_device_info=None, inject_files=False)
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2395, in _create_image
project_id=instance['project_id'])
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 177, in cache
*args, **kwargs)
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 638, in create_image
self.verify_base_size(base, size)
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 218, in verify_base_size
base_size = self.get_disk_size(base)
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 622, in get_disk_size
with RBDVolumeProxy(self, name) as vol:
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagebackend.py", line 467, in __init__
read_only=read_only)
File "/usr/lib/python2.7/dist-packages/rbd.py", line 351, in __init__
raise make_ex(ret, 'error opening image %s at snapshot %s' % (name, snapshot))
ERROR2####################################################
<179>Apr 29 08:34:13 [compute] node-39 <U+FEFF>nova-nova.virt.libvirt.driver ERROR: An error occurred while trying to launc
h a defined domain with xml ...
<179>Apr 29 08:34:13 [compute] node-39 <U+FEFF>nova-nova.compute.manager ERROR: Setting instance vm_state to ERROR
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 4997, in _error_out_instance_on_exception
yield
File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2841, in finish_revert_resize
block_device_info, power_on)
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 4673, in finish_revert_migration
block_device_info, power_on)
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3255, in _create_domain_and_network
domain = self._create_domain(xml, instance=instance, power_on=power_on)
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3198, in _create_domain
domain.XMLDesc(0))
File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3193, in _create_domain
domain.createWithFlags(launch_flags)
File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 179, in doit
result = proxy_call(self._autowrap, f, *args, **kwargs)
File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 139, in proxy_call
rv = execute(f,*args,**kwargs)
File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 77, in tworker
rv = meth(*args,**kwargs)
File "/usr/lib/python2.7/dist-packages/libvirt.py", line 711, in createWithFlags
if ret == -1: raise libvirtError ('virDomainCreateWithFlags() failed', dom=self)
libvirtError: internal error process exited while connecting to monitor: char device redirected to /dev/pts/4
kvm: -drive file=rbd:.... hiden... No such file or directory
####################################################
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