** Changed in: nova
Status: Fix Committed => Fix Released
** Changed in: nova
Milestone: None => juno-rc1
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https://bugs.launchpad.net/bugs/1308649
Title:
Attaching Nova volumes fails if open-iscsi daemon is not already
running
Status in OpenStack Compute (Nova):
Fix Released
Bug description:
nova-compute traces on first volume attach if open-iscsi is not
running:
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] Traceback (most recent call last):
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] File
"/usr/lib64/python2.6/site-packages/nova/compute/manager.py", line 4142, in
_attach_volume
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] do_check_attach=False,
do_driver_attach=True)
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] File
"/usr/lib64/python2.6/site-packages/nova/virt/block_device.py", line 44, in
wrapped
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] ret_val = method(obj, context, *args,
**kwargs)
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] File
"/usr/lib64/python2.6/site-packages/nova/virt/block_device.py", line 248, in
attach
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] connector)
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] File
"/usr/lib64/python2.6/site-packages/nova/openstack/common/excutils.py", line
68, in __exit__
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] six.reraise(self.type_, self.value,
self.tb)
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] File
"/usr/lib64/python2.6/site-packages/nova/virt/block_device.py", line 239, in
attach
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] device_type=self['device_type'],
encryption=encryption)
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] File
"/usr/lib64/python2.6/site-packages/nova/virt/libvirt/driver.py", line 1224, in
attach_volume
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] disk_info)
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] File
"/usr/lib64/python2.6/site-packages/nova/virt/libvirt/driver.py", line 1183, in
volume_driver_method
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] return method(connection_info, *args,
**kwargs)
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] File
"/usr/lib64/python2.6/site-packages/nova/openstack/common/lockutils.py", line
249, in inner
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] return f(*args, **kwargs)
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] File
"/usr/lib64/python2.6/contextlib.py", line 34, in __exit__
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] self.gen.throw(type, value, traceback)
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] File
"/usr/lib64/python2.6/site-packages/nova/openstack/common/lockutils.py", line
212, in lock
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] yield sem
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] File
"/usr/lib64/python2.6/site-packages/nova/openstack/common/lockutils.py", line
249, in inner
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] return f(*args, **kwargs)
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] File
"/usr/lib64/python2.6/site-packages/nova/virt/libvirt/volume.py", line 285, in
connect_volume
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] for ip, iqn in
self._get_target_portals_from_iscsiadm_output(out):
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481] ValueError: too many values to unpack
2014-04-16 13:19:44.359 6079 TRACE nova.compute.manager [instance:
ddc07867-67a9-4af7-b7d0-d75dff53b481]
Thats because it runs "iscsiadm -m discovery -t sendtargets -p", which prints
upon first run:
Loading iscsi modules:
done
Starting iSCSI initiator service:
done
Setting up iSCSI targets:
unused
192.168.204.82:3260,1
iqn.2010-10.org.openstack:volume-f9b12623-6ce3-4dac-a71f-09ad4249bdd3
192.168.204.82:3260,1
iqn.2010-10.org.openstack:volume-f9b12623-6ce3-4dac-a71f-09ad4249bdd3
aka there is some garbage before the actual output that it looks for. this is
due to /etc/iscsid.conf having configured to start the daemon:
from /etc/iscsid.conf:
# Default for upstream open-iscsi scripts (uncomment to activate).
iscsid.startup = /usr/sbin/rcopen-iscsi start
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