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
