** Also affects: nova/juno
Importance: Undecided
Status: New
** Changed in: nova/juno
Milestone: None => 2014.2.2
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https://bugs.launchpad.net/bugs/1405044
Title:
[GPFS] nova volume-attach a gpfs volume with an error log in nova-
compute
Status in OpenStack Compute (Nova):
Fix Committed
Status in OpenStack Compute (nova) juno series:
New
Bug description:
When I attached a gpfs volume to an instance, the volume has been
successfully attached to the instance, but there were some error logs
in nova-compute log file as below:
2014-12-22 21:52:10.863 13396 ERROR nova.openstack.common.threadgroup [-]
Unexpected error while running command.
Command: sudo nova-rootwrap /etc/nova/rootwrap.conf blockdev --getsize64
/gpfs/volume-98520c4e-935d-43d8-9c8d-00fcb54bb335
Exit code: 1
Stdout: u''
Stderr: u'BLKGETSIZE64: Inappropriate ioctl for device\n'
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
Traceback (most recent call last):
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/nova/openstack/common/threadgroup.py", line
125, in wait
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
x.wait()
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/nova/openstack/common/threadgroup.py", line
47, in wait
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
return self.thread.wait()
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/eventlet/greenthread.py", line 173, in wait
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
return self._exit_event.wait()
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/eventlet/event.py", line 121, in wait
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
return hubs.get_hub().switch()
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/eventlet/hubs/hub.py", line 293, in switch
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
return self.greenlet.switch()
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/eventlet/greenthread.py", line 212, in main
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
result = function(*args, **kwargs)
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/nova/openstack/common/service.py", line 490,
in run_service
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
service.start()
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/nova/service.py", line 181, in start
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
self.manager.pre_start_hook()
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 1159, in
pre_start_hook
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
self.update_available_resource(nova.context.get_admin_context())
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 6037, in
update_available_resource
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
nodenames = set(self.driver.get_available_nodes())
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/nova/virt/driver.py", line 1237, in
get_available_nodes
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
stats = self.get_host_stats(refresh=refresh)
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line 5794, in
get_host_stats
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
return self.host_state.get_host_stats(refresh=refresh)
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line 473, in
host_state
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
self._host_state = HostState(self)
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line 6360, in
__init__
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
self.update_status()
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line 6411, in
update_status
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
data['disk_available_least'] = _get_disk_available_least()
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line 6384, in
_get_disk_available_least
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
disk_over_committed = (self.driver.
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line 5744, in
_get_disk_over_committed_size_total
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
self._get_instance_disk_info(dom.name(), xml))
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line 5697, in
_get_instance_disk_info
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
dk_size = lvm.get_volume_size(path)
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/nova/virt/libvirt/lvm.py", line 55, in
decorated_function
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
return function(path)
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/nova/virt/libvirt/lvm.py", line 186, in
get_volume_size
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
run_as_root=True)
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/nova/virt/libvirt/utils.py", line 53, in
execute
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
return utils.execute(*args, **kwargs)
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/nova/utils.py", line 163, in execute
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
return processutils.execute(*cmd, **kwargs)
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup File
"/usr/lib/python2.6/site-packages/nova/openstack/common/processutils.py", line
203, in execute
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
cmd=sanitized_cmd)
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
ProcessExecutionError: Unexpected error while running command.
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
Command: sudo nova-rootwrap /etc/nova/rootwrap.conf blockdev --getsize64
/gpfs/volume-98520c4e-935d-43d8-9c8d-00fcb54bb335
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup Exit
code: 1
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup Stdout:
u''
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup Stderr:
u'BLKGETSIZE64: Inappropriate ioctl for device\n'
2014-12-22 21:52:10.863 13396 TRACE nova.openstack.common.threadgroup
This error occurred when nova tried to get the gpfs volume size using
"blockdev --getsize64" command.
Cinder configuration "gpfs_mount_point_base" was set to "/gpfs"
The blockdev filter in /usr/share/nova/rootwrap/compute.filters was set to
"blockdev: RegExpFilter, blockdev, root, blockdev, (--getsize64|--flushbufs),
(/dev/.*|/gpfs/.*)"
It seems we couldn't use "blockdev --getsize64" command to calculate
the gpfs volume size. This error wouldn't affect the volume
attachment, but it affect the nova-compute service, nova-compute
service couldn't restart successfully with this error.
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