You can delete the vm and boot a VM from the volume 发自我的 iPhone
> 在 2014年7月3日，4:52，Daniel Snider <[email protected]> 写道： > > Hi, > > I detached my root volume from my instance (which is in an rbd store) so I > could extend it with cinder, then I reattached it. When I go to start the > instance it's like nova has forgotten or doesn't know the volume is in an rbd > store and NOT at > "/var/lib/nova/instances/d1338984-4402-4af4-819e-64f312c5149b/disk". I'd > really like to boot this instance rather than creating a new one. Can I make > nova use the rbd volume correctly? > > > Error caused by starting instance with a reattached and extended rbd volume: > 2014-07-02 15:53:05.546 4039504 ERROR nova.openstack.common.rpc.amqp > [req-96a0463b-3d83-4691-8acb-de9dc0490557 daec025b753740c5a2b0cffd51b6c698 > 6343e9dce46843d18435ccf29a33bfa9] Exception during message handling > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp > Traceback (most recent call last): > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.7/dist-packages/nova/openstack/common/rpc/amqp.py", line > 461, in _process_data > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp > **args) > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.7/dist-packages/nova/openstack/common/rpc/dispatcher.py", > line 172, in dispatch > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp > result = getattr(proxyobj, method)(ctxt, **kwargs) > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 353, in > decorated_function > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp > return function(self, context, *args, **kwargs) > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.7/dist-packages/nova/exception.py", line 90, in wrapped > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp > payload) > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.7/dist-packages/nova/exception.py", line 73, in wrapped > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp > return f(self, context, *args, **kw) > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 243, in > decorated_function > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp pass > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 229, in > decorated_function > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp > return function(self, context, *args, **kwargs) > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 294, in > decorated_function > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp > function(self, context, *args, **kwargs) > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 271, in > decorated_function > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp e, > sys.exc_info()) > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 258, in > decorated_function > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp > return function(self, context, *args, **kwargs) > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1849, in > start_instance > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp > self._power_on(context, instance) > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1836, in > _power_on > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp > block_device_info) > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1969, in > power_on > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp > self._hard_reboot(context, instance, network_info, block_device_info) > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1924, in > _hard_reboot > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp > block_device_info) > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 4380, in > get_instance_disk_info > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp > dk_size = int(os.path.getsize(path)) > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp File > "/usr/lib/python2.7/genericpath.py", line 49, in getsize > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp > return os.stat(filename).st_size > 2014-07-02 15:53:05.546 4039504 TRACE nova.openstack.common.rpc.amqp OSError: > [Errno 2] No such file or directory: > '/var/lib/nova/instances/d1338984-4402-4af4-819e-64f312c5149b/disk' > > I should add that the rbd volume was initially attached on /dev/vda but after > resizing it I attached it to /dev/vdb because of this error: > # nova volume-attach 9c1b7f98-81dc-49be-83ac-ffdcadde5729 > 957ee433-47bc-4c4a-a12b-1b93b7ecfa8d /dev/vda > ERROR: The supplied device path (/dev/vda) is in use. (HTTP 409) (Request-ID: > req-14d572ea-e31f-4454-b22c-ffa88207499d) > > Any ideas? This has been plaguing me all day. > > Thanks a lot! > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : [email protected] > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
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