[Openstack] nova-volumes problem after host reboot
Yong Jiang
jiangyong.hn at gmail.com
Mon Nov 19 02:20:57 UTC 2012
Hi Ronivon Costa,
Besides updating volumes table, you should update block_device_mapping
table at the same time which manages the mapping between volumes and
instances.
Using the below commands update these two tables and you can reboot your
instances and reattach your volume as normally with your nova command line
or dashbord.
mysql -unova -p$PW nova -e "update volumes set status = 'available',
attach_status = 'detached', mountpoint = null where id = $ID"
mysql -unova -p$PW nova -e "update block_device_mapping set deleted_at =
now(), deleted = 1 where volume_id = $ID and deleted = 0"
Good Luck.
2012/11/19 Ronivon Costa <ronivon.costa at gmail.com>
> Hello,
>
> I am still working on this issue. I can not apply the disaster recovery as
> describe here:
>
> http://docs.openstack.org/trunk/openstack-compute/admin/content/nova-disaster-recovery-process.html
>
> Thanks to livemoon, I can get the instances back running following his
> tips. By the way, I have put that in a shell script below, to make it easy
> to run the procedure.
>
> To run, you should type:
> restore-instance <instance name>
>
> After that, we have the instance running and the database status update.
>
> The volume attachment still is missing. I can get it to work after a
> reboot in the host.
> As I said in a previous email, the attach was reporting and error that
> device /dev/vdc was already in use (what is not the case.. it must be a bug
> or something in the code).
> I changed the device to /dev/vde and it accepts and submit the command,
> but does not attach the device. Logs are below.
>
> Hope someone - including you livemoon :) - still has something else to
> say about this.
>
> Have anyone of you guys tested this before? Does it work for you?
>
> Cheers.
>
> nova volume-attach c5cf37e2-9e96-45a2-a739-638ac9877128
> 1f590986-995e-4cf6-bbe7-d8ced6672990 /dev/vde
>
> The compute.log:
> 2012-11-18 20:28:54 AUDIT nova.compute.manager
> [req-4d0e4f88-be19-4788-9c21-c280a77173fc cb302c58bb4245cebc61e132c79c1111
> 768bd68a0ac149eb8e300665eb3d3950] [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] Attaching volume
> 1f590986-995e-4cf6-bbe7-d8ced6672990 to /dev/vde
> 2012-11-18 20:29:43 AUDIT nova.compute.resource_tracker [-] Free ram (MB):
> 13061
> 2012-11-18 20:29:43 AUDIT nova.compute.resource_tracker [-] Free disk
> (GB): 253
> 2012-11-18 20:29:43 AUDIT nova.compute.resource_tracker [-] Free VCPUS: -21
> 2012-11-18 20:29:43 INFO nova.compute.resource_tracker [-] Compute_service
> record updated for nova-controller
> 2012-11-18 20:29:54 ERROR nova.openstack.common.rpc.impl_qpid [-] Timed
> out waiting for RPC response: None
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.impl_qpid Traceback
> (most recent call last):
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.impl_qpid File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/impl_qpid.py",
> line 376, in ensure
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.impl_qpid return
> method(*args, **kwargs)
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.impl_qpid File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/impl_qpid.py",
> line 425, in _consume
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.impl_qpid
> nxt_receiver = self.session.next_receiver(timeout=timeout)
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.impl_qpid File
> "<string>", line 6, in next_receiver
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.impl_qpid File
> "/usr/lib/python2.6/site-packages/qpid/messaging/endpoints.py", line 663,
> in next_receiver
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.impl_qpid raise
> Empty
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.impl_qpid Empty: None
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.impl_qpid
> 2012-11-18 20:29:54 ERROR nova.compute.manager
> [req-4d0e4f88-be19-4788-9c21-c280a77173fc cb302c58bb4245cebc61e132c79c1111
> 768bd68a0ac149eb8e300665eb3d3950] [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] Failed to connect to volume
> 1f590986-995e-4cf6-bbe7-d8ced6672990 while attaching at /dev/vde
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] Traceback (most recent call last):
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] File
> "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 1956, in
> _attach_volume
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] connector)
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] File
> "/usr/lib/python2.6/site-packages/nova/volume/api.py", line 60, in wrapped
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] return func(self, context,
> target_obj, *args, **kwargs)
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] File
> "/usr/lib/python2.6/site-packages/nova/volume/api.py", line 378, in
> initialize_connection
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] "connector": connector}})
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/__init__.py",
> line 102, in call
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] return _get_impl().call(cfg.CONF,
> context, topic, msg, timeout)
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/impl_qpid.py",
> line 561, in call
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128]
> rpc_amqp.get_connection_pool(conf, Connection))
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line
> 368, in call
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] rv = list(rv)
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line
> 329, in __iter__
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] self.done()
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] File
> "/usr/lib64/python2.6/contextlib.py", line 23, in __exit__
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] self.gen.next()
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line
> 326, in __iter__
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] self._iterator.next()
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/impl_qpid.py",
> line 434, in iterconsume
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] yield
> self.ensure(_error_callback, _consume)
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/impl_qpid.py",
> line 380, in ensure
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] error_callback(e)
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/impl_qpid.py",
> line 419, in _error_callback
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] raise rpc_common.Timeout()
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128] Timeout: Timeout while waiting on RPC
> response.
> 2012-11-18 20:29:54 TRACE nova.compute.manager [instance:
> c5cf37e2-9e96-45a2-a739-638ac9877128]
> 2012-11-18 20:29:54 ERROR nova.openstack.common.rpc.amqp [-] Exception
> during message handling
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp Traceback (most
> recent call last):
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line
> 275, in _process_data
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp rval =
> self.proxy.dispatch(ctxt, version, method, **args)
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/dispatcher.py",
> line 145, in dispatch
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp return
> getattr(proxyobj, method)(ctxt, **kwargs)
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/exception.py", line 117, in wrapped
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp temp_level,
> payload)
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib64/python2.6/contextlib.py", line 23, in __exit__
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp
> self.gen.next()
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/exception.py", line 92, in wrapped
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp return
> f(*args, **kw)
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 181, in
> decorated_function
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp pass
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib64/python2.6/contextlib.py", line 23, in __exit__
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp
> self.gen.next()
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 167, in
> decorated_function
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp return
> function(self, context, *args, **kwargs)
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 202, in
> decorated_function
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp
> kwargs['instance']['uuid'], e, sys.exc_info())
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib64/python2.6/contextlib.py", line 23, in __exit__
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp
> self.gen.next()
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 196, in
> decorated_function
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp return
> function(self, context, *args, **kwargs)
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 1945, in
> attach_volume
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp context,
> instance.get('uuid'), mountpoint)
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib64/python2.6/contextlib.py", line 23, in __exit__
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp
> self.gen.next()
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 1941, in
> attach_volume
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp mountpoint,
> instance)
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 1963, in
> _attach_volume
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp
> self.volume_api.unreserve_volume(context, volume)
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib64/python2.6/contextlib.py", line 23, in __exit__
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp
> self.gen.next()
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 1956, in
> _attach_volume
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp connector)
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/volume/api.py", line 60, in wrapped
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp return
> func(self, context, target_obj, *args, **kwargs)
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/volume/api.py", line 378, in
> initialize_connection
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp "connector":
> connector}})
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/__init__.py",
> line 102, in call
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp return
> _get_impl().call(cfg.CONF, context, topic, msg, timeout)
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/impl_qpid.py",
> line 561, in call
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp
> rpc_amqp.get_connection_pool(conf, Connection))
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line
> 368, in call
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp rv = list(rv)
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line
> 329, in __iter__
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp self.done()
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib64/python2.6/contextlib.py", line 23, in __exit__
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp
> self.gen.next()
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line
> 326, in __iter__
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp
> self._iterator.next()
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/impl_qpid.py",
> line 434, in iterconsume
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp yield
> self.ensure(_error_callback, _consume)
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/impl_qpid.py",
> line 380, in ensure
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp
> error_callback(e)
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp File
> "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/impl_qpid.py",
> line 419, in _error_callback
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp raise
> rpc_common.Timeout()
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp Timeout: Timeout
> while waiting on RPC response.
> 2012-11-18 20:29:54 TRACE nova.openstack.common.rpc.amqp
>
> ------- xx ------ restore-instance -------- xx ------
> #!/bin/sh
>
> NOVAINSTDIR=/var/lib/nova/instances
> VIRXML=libvirt.xml
>
> get_instanceid_in_xml() {
>
> INSTANCEDIR=$1
> if [ -f $INSTANCEDIR/$VIRXML ];then
> UUID=$(grep "<uuid>" $INSTANCEDIR/$VIRXML | /bin/cut -f2 -d">" |
> /bin/cut -f1 -d"<" )
> echo $UUID
> fi
>
> }
>
> search_instanceid_in_xml() {
> UUID=$1
> FOUND=false
> set $(ls -d $NOVAINSTDIR/instance*)
> while [ $# -gt 0 -a $FOUND == false ]
> do
> UUIDXML=$(get_instanceid_in_xml $1)
> if [ "$UUID" == "$UUIDXML" ];then
> FOUND=true
> else
> shift
> fi
> done
>
> if [ $FOUND == true ];then
> echo $1
> else
> echo "1"
> fi
>
> }
>
> get_instanceid_in_db() {
> INSTANCENAME=$1
> UUID=$(/usr/bin/nova list | /bin/grep -w "$INSTANCENAME" | /bin/cut -f2
> -d"|")
> echo $UUID
> }
>
> reset_instance_status_db() {
> INSTUUID=$1
> echo "MySQL Password:"
> read PW
> mysql -unova -p$PW nova -e "update instances set power_state='1',
> vm_state='active', task_state=NULL where uuid='$INSTUUID'"
> }
>
>
> INSTUID=$(get_instanceid_in_db $1)
> if [ "$INSTUID" == "" ];then
> echo "Instance not found"
> else
> INSTDIR=$(search_instanceid_in_xml $INSTUID)
> if [ "$INSTDIR" == "" ];then
> echo "Instance not found"
> else
> INSTIDNAME=$(echo $INSTDIR | /bin/awk -F "/" '{print $NF}')
> /usr/bin/sudo /usr/bin/virsh undefine $INSTIDNAME --managed-save
> /usr/bin/sudo /usr/bin/virsh define $INSTDIR/$VIRXML
> /usr/bin/sudo /usr/bin/virsh start $INSTIDNAME
> reset_instance_status_db "$INSTUID"
> fi
> fi
> ------- xx ------ restore-instance -------- xx ------
>
>
> On 10 November 2012 17:25, Ronivon Costa <ronivon.costa at gmail.com> wrote:
>
>> Hi,
>>
>> Had some improvement with this issue.
>>
>> Could boot the instance using virsh, following livemoon advice with small
>> adaptation.
>> However the problem still is not fixed.
>>
>> The volume table was update:
>> mysql -unova -p$PW nova -e "update volumes set mountpoint=NULL,
>> attach_status='detached', instance_uuid=0"
>> mysql -unova -p$PW nova -e "update volumes set status='available' where
>> status <> 'error_deleting'"
>>
>>
>> Restarted the instance:
>> # virsh undefine instance-00000038
>> error: Refusing to undefine while domain managed save image exists
>>
>> # virsh undefine instance-00000038 --managed-save
>> Domain instance-00000038 has been undefined
>>
>> # virsh define libvirt.xml
>> Domain instance-00000038 defined from libvirt.xml
>>
>> # virsh start instance-00000038
>> Domain instance-00000038 started
>>
>> Then I update the database with the new instances status:
>> # mysql -unova -p nova -e "update instances set
>> power_state='1',vm_state='active',task_state=NULL where uuid =
>> '7e732b31-2ff8-4cf2-a7ac-f1562070cfb3'"
>>
>> I can now connect to the instance. That is a great improvement from my
>> original problem.
>>
>> But there still some serius issues to fix:
>>
>> The instance can not be rebooted (hard reboot). It will not start, with
>> the same errors as before.
>> Also, we can not attach the volume back to the instance:
>> # nova volume-attach 7e732b31-2ff8-4cf2-a7ac-f1562070cfb3
>> 647db677-aa48-4d1e-b875-80be73469cb5 /dev/vdc
>> ERROR: The supplied device path (/dev/vdb) is in use.
>> ...
>> The error is: DevicePathInUse: The supplied device path (/dev/vdb) is in
>> use.
>>
>>
>> /dev/vdb is one ephemeral disk. Why nova is trying to use /dev/vdb when I
>> specified /dev/vdc ?
>>
>
>
>
> --
> --
> Ronivon C. Costa
> IBM Certified for Tivoli Software
> ITIL V3 Certified
> Tlm: (+351) 96 676 4458
> Skype: ronivon.costa
> BLog ((hosted in my own personal cloud infrastructure):
> http://cloud0.dyndns-web.com/blog/
>
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