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From Edison Su <Edison...@citrix.com>
Subject RE: 3.0.2 - KVM Agent problem? Please help.
Date Thu, 07 Jun 2012 17:54:19 GMT
Thanks for your report, I'll fix it in the future release(not in 3.0.3 though).
And a bug is created(http://bugs.cloudstack.org/browse/CS-15259).

> -----Original Message-----
> From: de Jong, Mark-Jan [mailto:Mark-Jan.deJong@teoco.com]
> Sent: Wednesday, June 06, 2012 6:45 PM
> To: 'cloudstack-dev@incubator.apache.org'
> Subject: RE: 3.0.2 - KVM Agent problem? Please help.
> 
> 
> 
> > -----Original Message-----
> > From: Edison Su [mailto:Edison.su@citrix.com]
> > Sent: Monday, June 04, 2012 5:20 PM
> > To: de Jong, Mark-Jan
> > Subject: RE: 3.0.2 - KVM Agent problem? Please help.
> >
> > It's a bug in kvm agent code, I fixed the upgrade issue from 2.2.x to
> > 3.0.x, but it only worked for shared storage.
> > You can fix it by update db with the following sql:
> >
> > update volumes set path=SUBSTRING_INDEX(`path`, '/', -1);
> >
> > , then restart mgt server.
> 
> I ran into the same issue and found that, along with the DB update
> mentioned above, I had to run the following to fix template VM builds...
> 
> update template_spool_ref set local_path=SUBSTRING_INDEX(`local_path`,
> '/', -1);
> update template_spool_ref set
> install_path=SUBSTRING_INDEX(`install_path`, '/', -1)
> 
> 
> >
> > > -----Original Message-----
> > > From: Serg [mailto:kerncore@gmail.com]
> > > Sent: Monday, June 04, 2012 1:25 PM
> > > To: Edison Su
> > > Cc: cloudstack-dev@incubator.apache.org
> > > Subject: Re: 3.0.2 - KVM Agent problem? Please help.
> > >
> > > Hi,
> > >
> > > Thanks for your response,
> > >
> > > I turned on debug logging but nothing new has been discovered.
> > > after upgrading from 2.2.14 to 3.0.2 all KVM server with Local
> > Storage
> > > behave identically
> > >
> > >  - Unable to re-start the instance ( instance can't be started
> > anymore
> > > )
> > >  - Make a snapshot for volume.
> > >  - Can't download the volume
> > >
> > > For now, back to online such instances I'm can by the following way
> > > - import volume of stopped instance as template and the start new
> > > instance from
> > >
> > > Log :
> > > libvir: Storage error : Storage volume not found: no storage vol
> with
> > > matching name
> > >
> > > [root@ /]# virsh vol-list c6f1f032-5aad-4983-bc83-0ec1a6b5e32c |
> grep
> > > 4341f531-bef6-47b6-ae75-2b8d6de63038
> > > 4341f531-bef6-47b6-ae75-2b8d6de63038
> > /var/lib/libvirt/images/4341f531-
> > > bef6-47b6-ae75-2b8d6de63038
> > >
> > > [root@ /]# qemu-img check /var/lib/libvirt/images/4341f531-bef6-
> 47b6-
> > > ae75-2b8d6de63038
> > > No errors were found on the image.
> > >
> > > Full log output :
> > >
> > > Log output : http://pastebin.com/dd0Wz22a
> > >
> > >
> > > --
> > > Serg
> > >
> > >
> > >
> > >
> > > On Jun 4, 2012, at 8:33 PM, Edison Su wrote:
> > >
> > > > Please turn log level to debug(/etc/cloud/agent/log4j-cloud.xml)
> on
> > > your kvm host, then restart cloud-agent, take a look at agent log
> > again.
> > > >
> > > >> -----Original Message-----
> > > >> From: Serg [mailto:kerncore@gmail.com]
> > > >> Sent: Sunday, June 03, 2012 11:48 AM
> > > >> To: cloudstack-dev@incubator.apache.org
> > > >> Subject: 3.0.2 - KVM Agent problem? Please help.
> > > >>
> > > >> Hi,
> > > >>
> > > >>
> > > >> How to debug such problem ?
> > > >> All volumes exist and instances running, but can't to
> > > >>
> > > >> CentOS release 6.2 (Final)
> > > >> libvirt-0.9.4-23.el6_2.4.x86_64
> > > >> libvirt-client-0.9.4-23.el6_2.4.x86_64
> > > >>
> > > >>
> > > >> [root@kvmhost2 snapshot]# tail -10
> /var/log/cloud/agent/agent.log
> > > >> com.cloud.utils.exception.CloudRuntimeException:
> > > >> org.libvirt.LibvirtException: Storage volume not found: no
> storage
> > > vol
> > > >> with matching name
> > > >> '/var/lib/libvirt/images/67033fb9-a432-4162-8b22-
> > > >> d8a7b2aeb100'
> > > >>  at
> > > >>
> > >
> >
> com.cloud.agent.storage.LibvirtStorageAdaptor.getVolume(LibvirtStorage
> > > A
> > > >> daptor.java:81)
> > > >> ...cut...
> > > >> libvir: Storage error : Storage volume not found: no storage vol
> > > with
> > > >> matching name '/opt/primary/f5b97a37-f8dd-485c-945c-
> da31d20b9e23'
> > > >> ...cut...
> > > >> libvir: Storage error : Storage volume not found: no storage vol
> > > with
> > > >> matching name '/var/lib/libvirt/images/58ba9eed-c864-44f3-a987-
> > > >> 9d1eaab182e1'
> > > >>
> > > >> [root@kvmhost2 snapshot]# tail -10
> /var/log/cloud/agent/agent.log
> > |
> > > awk
> > > >> '{print $15}' | xargs file
> > > >> /opt/primary/e371ebb7-8d9e-4c64-83e9-effea15a00e7:
> Qemu
> > > >> Image, Format: Qcow , Version: 2
> > > >> /opt/primary/e371ebb7-8d9e-4c64-83e9-effea15a00e7:
> Qemu
> > > >> Image, Format: Qcow , Version: 2
> > > >> /opt/primary/e55358fa-8dc5-4070-b3b6-3f4bc01b17ae:
> Qemu
> > > >> Image, Format: Qcow , Version: 2
> > > >> /opt/primary/e55358fa-8dc5-4070-b3b6-3f4bc01b17ae:
> Qemu
> > > >> Image, Format: Qcow , Version: 2
> > > >> /var/lib/libvirt/images/d49b318c-8bb4-4bb2-a897-1c40ef234d30:
> Qemu
> > > >> Image, Format: Qcow , Version: 2
> > > >> /var/lib/libvirt/images/d49b318c-8bb4-4bb2-a897-1c40ef234d30:
> Qemu
> > > >> Image, Format: Qcow , Version: 2
> > > >> /var/lib/libvirt/images/193c378c-80ba-4b82-affe-45c9da0ee839:
> Qemu
> > > >> Image, Format: Qcow , Version: 2
> > > >> /var/lib/libvirt/images/193c378c-80ba-4b82-affe-45c9da0ee839:
> Qemu
> > > >> Image, Format: Qcow , Version: 2
> > > >> /var/lib/libvirt/images/58ba9eed-c864-44f3-a987-9d1eaab182e1:
> Qemu
> > > >> Image, Format: Qcow , Version: 2
> > > >> /var/lib/libvirt/images/58ba9eed-c864-44f3-a987-9d1eaab182e1:
> Qemu
> > > >> Image, Format: Qcow , Version: 2
> > > >>
> > > >> When I'm try to start instance through UI I'm get the following
> > > error :
> > > >> UI Error pop-up : Resource [Host:34] is unreachable: Host 34:
> > > >> Unable
> > > to
> > > >> start instance due to Unable to get answer that is of class
> > > >> com.cloud.agent.api.StartAnswer
> > > >>
> > > >> Agent LOG :
> > > >>
> > > >> 2012-06-03 20:47:13,397 WARN
> > > >> [resource.computing.LibvirtComputingResource]
> > > >> (agentRequest-Handler-
> > > >> 2:null) Exception
> > > >> com.cloud.utils.exception.CloudRuntimeException:
> > > >> org.libvirt.LibvirtException: Storage volume not found: no
> storage
> > > vol
> > > >> with matching name
> > > >> '/var/lib/libvirt/images/19d086dd-8229-48c2-aaa7-
> > > >> ea3d218dc5dc'
> > > >>  at
> > > >>
> > >
> >
> com.cloud.agent.storage.LibvirtStorageAdaptor.getVolume(LibvirtStorage
> > > A
> > > >> daptor.java:81)
> > > >>  at
> > > >>
> > >
> >
> com.cloud.agent.storage.LibvirtStorageAdaptor.getPhysicalDisk(LibvirtS
> > > t
> > > >> orageAdaptor.java:450)
> > > >>  at
> > > >>
> > >
> >
> com.cloud.agent.storage.LibvirtStoragePool.getPhysicalDisk(LibvirtStor
> > > a
> > > >> gePool.java:104)
> > > >>  at
> > > >>
> > >
> >
> com.cloud.agent.resource.computing.LibvirtComputingResource.createVbd(
> > > L
> > > >> ibvirtComputingResource.java:2593)
> > > >>  at
> > > >>
> > >
> >
> com.cloud.agent.resource.computing.LibvirtComputingResource.execute(Li
> > > b
> > > >> virtComputingResource.java:2510)
> > > >>  at
> > > >>
> > >
> >
> com.cloud.agent.resource.computing.LibvirtComputingResource.executeReq
> > > u
> > > >> est(LibvirtComputingResource.java:985)
> > > >>  at com.cloud.agent.Agent.processRequest(Agent.java:517)
> > > >>  at
> > > >> com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:827)
> > > >>  at com.cloud.utils.nio.Task.run(Task.java:79)
> > > >>  at
> > > >>
> > >
> >
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.j
> > > a
> > > >> va:1110)
> > > >>  at
> > > >>
> > >
> > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.
> > > j
> > > >> ava:603)
> > > >>  at java.lang.Thread.run(Thread.java:679)
> > > >> 2012-06-03 20:47:13,399{GMT} WARN  [cloud.agent.Agent]
> > > (agentRequest-
> > > >> Handler-2:) Caught:
> > > >> java.lang.NullPointerException
> > > >>  at
> > > >>
> > >
> >
> com.cloud.agent.resource.computing.LibvirtComputingResource.cleanupVMN
> > > e
> > > >> tworks(LibvirtComputingResource.java:3664)
> > > >>  at
> > > >>
> > >
> >
> com.cloud.agent.resource.computing.LibvirtComputingResource.handleVmSt
> > > a
> > > >> rtFailure(LibvirtComputingResource.java:2416)
> > > >>  at
> > > >>
> > >
> >
> com.cloud.agent.resource.computing.LibvirtComputingResource.execute(Li
> > > b
> > > >> virtComputingResource.java:2539)
> > > >>  at
> > > >>
> > >
> >
> com.cloud.agent.resource.computing.LibvirtComputingResource.executeReq
> > > u
> > > >> est(LibvirtComputingResource.java:985)
> > > >>  at com.cloud.agent.Agent.processRequest(Agent.java:517)
> > > >>  at
> > > >> com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:827)
> > > >>  at com.cloud.utils.nio.Task.run(Task.java:79)
> > > >>  at
> > > >>
> > >
> >
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.j
> > > a
> > > >> va:1110)
> > > >>  at
> > > >>
> > >
> > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.
> > > j
> > > >> ava:603)
> > > >>  at java.lang.Thread.run(Thread.java:679)
> > > >>
> > > >>
> > > >>
> > > >> --
> > > >> Serg
> > > >
> >
> 
> 
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