** Changed in: horizon
Status: New => Invalid
** Changed in: nova
Status: Invalid => In Progress
** Changed in: horizon
Assignee: Chinmaya Bharadwaj (acbharadwaj) => (unassigned)
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https://bugs.launchpad.net/bugs/1337821
Title:
VMDK Volume attach fails while attaching to an instance that is booted
from VMDK volume
Status in OpenStack Dashboard (Horizon):
Invalid
Status in OpenStack Compute (Nova):
In Progress
Bug description:
I have booted an instance from a volume, successfully booted,
now another volume, i try to attach to same instance, it is failing.
see the stack trace..
2014-07-04 08:56:11.391 TRACE oslo.messaging.rpc.dispatcher raise
exception.InvalidDevicePath(path=root_device_name)
2014-07-04 08:56:11.391 TRACE oslo.messaging.rpc.dispatcher
InvalidDevicePath: The supplied device path (vda) is invalid.
2014-07-04 08:56:11.391 TRACE oslo.messaging.rpc.dispatcher
2014-07-04 08:56:11.396 ERROR oslo.messaging._drivers.common
[req-648122d5-fd39-495b-a3a7-a96bd32091d6 admin admin] Returning exception The
supplied device path (vda) is invalid. to caller
2014-07-04 08:56:11.396 ERROR oslo.messaging._drivers.common
[req-648122d5-fd39-495b-a3a7-a96bd32091d6 admin admin] ['Traceback (most recent
call last):\n', ' File
"/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line
134, in _dispatch_and_reply\n incoming.message))\n', ' File
"/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line
177, in _dispatch\n return self._do_dispatch(endpoint, method, ctxt,
args)\n', ' File
"/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line
123, in _do_dispatch\n result = getattr(endpoint, method)(ctxt,
**new_args)\n', ' File "/opt/stack/nova/nova/compute/manager.py", line 401, in
decorated_function\n return function(self, context, *args, **kwargs)\n', '
File "/opt/stack/nova/nova/exception.py", line 88, in wrapped\n payload)\n',
' File "/opt/stack/nova/nova/openstack/common/excutils.py", line 82, in
__exit__\n six.reraise(self.type_, self.value, self.tb)
\n', ' File "/opt/stack/nova/nova/exception.py", line 71, in wrapped\n
return f(self, context, *args, **kw)\n', ' File
"/opt/stack/nova/nova/compute/manager.py", line 286, in decorated_function\n
pass\n', ' File "/opt/stack/nova/nova/openstack/common/excutils.py", line 82,
in __exit__\n six.reraise(self.type_, self.value, self.tb)\n', ' File
"/opt/stack/nova/nova/compute/manager.py", line 272, in decorated_function\n
return function(self, context, *args, **kwargs)\n', ' File
"/opt/stack/nova/nova/compute/manager.py", line 314, in decorated_function\n
kwargs[\'instance\'], e, sys.exc_info())\n', ' File
"/opt/stack/nova/nova/openstack/common/excutils.py", line 82, in __exit__\n
six.reraise(self.type_, self.value, self.tb)\n', ' File
"/opt/stack/nova/nova/compute/manager.py", line 302, in decorated_function\n
return function(self, context, *args, **kwargs)\n', ' File
"/opt/stack/nova/nova/compute/manager.py", line 4201, in
reserve_block_device_name\n ret
urn do_reserve()\n', ' File
"/opt/stack/nova/nova/openstack/common/lockutils.py", line 249, in inner\n
return f(*args, **kwargs)\n', ' File
"/opt/stack/nova/nova/compute/manager.py", line 4188, in do_reserve\n
context, instance, bdms, device)\n', ' File
"/opt/stack/nova/nova/compute/utils.py", line 106, in
get_device_name_for_instance\n mappings[\'root\'], device)\n', ' File
"/opt/stack/nova/nova/compute/utils.py", line 155, in get_next_device_name\n
raise exception.InvalidDevicePath(path=root_device_name)\n',
'InvalidDevicePath: The supplied device path (vda) is invalid.\n']
The reason behind this issue is: because of the root device_name being
set 'vda' in the case of boot from volume, The future volume attaches
to the VM fail saying "The supplied device path (vda) is invalid"
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