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. > -----Original Message----- > From: Serg [mailto:kernc...@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:kernc...@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(LibvirtStorageA > >> 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(LibvirtStorageA > >> daptor.java:81) > >> at > >> > com.cloud.agent.storage.LibvirtStorageAdaptor.getPhysicalDisk(LibvirtSt > >> orageAdaptor.java:450) > >> at > >> > com.cloud.agent.storage.LibvirtStoragePool.getPhysicalDisk(LibvirtStora > >> gePool.java:104) > >> at > >> > com.cloud.agent.resource.computing.LibvirtComputingResource.createVbd(L > >> ibvirtComputingResource.java:2593) > >> at > >> > com.cloud.agent.resource.computing.LibvirtComputingResource.execute(Lib > >> virtComputingResource.java:2510) > >> at > >> > com.cloud.agent.resource.computing.LibvirtComputingResource.executeRequ > >> 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.ja > >> va:1110) > >> at > >> > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.j > >> ava:603) > >> at java.lang.Thread.run(Thread.java:679) > >> 2012-06-03 20:47:13,399{GMT} WARN [cloud.agent.Agent] > (agentRequest- > >> Handler-2:) Caught: > >> java.lang.NullPointerException > >> at > >> > com.cloud.agent.resource.computing.LibvirtComputingResource.cleanupVMNe > >> tworks(LibvirtComputingResource.java:3664) > >> at > >> > com.cloud.agent.resource.computing.LibvirtComputingResource.handleVmSta > >> rtFailure(LibvirtComputingResource.java:2416) > >> at > >> > com.cloud.agent.resource.computing.LibvirtComputingResource.execute(Lib > >> virtComputingResource.java:2539) > >> at > >> > com.cloud.agent.resource.computing.LibvirtComputingResource.executeRequ > >> est(LibvirtComputingResource.java:985) > >> at com.cloud.agent.Agent.processRequest(Agent.java:517) > >> at > >> com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:827) > >> at com.cloud.utils.nio.Task.run(Task.java:79) > >> at > >> > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.ja > >> va:1110) > >> at > >> > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.j > >> ava:603) > >> at java.lang.Thread.run(Thread.java:679) > >> > >> > >> > >> -- > >> Serg > >