Hi, Can you check below things :
1. Does the host has the primary storage mounted already? 2. Are you using the same primary storage which was mounted @ the host ? 3. Is this host is getting added to the cloudstack first time Or does it has any cloudstack agent installation ? Thanks Sailaja.M -----Original Message----- From: Francis [mailto:bingbing...@163.com] Sent: Thursday, March 07, 2013 1:51 PM To: cloudstack-users@incubator.apache.org Subject: Unable to add the host to cloudstack 2013-03-07 16:11:19,243 ERROR [kvm.storage.LibvirtStorageAdaptor] (Agent-Handler-1:null) org.libvirt.LibvirtException: operation failed: Storage source conflict with pool: '8e109043-ef57-4d91-9239-296d8a47f2a3' 2013-03-07 16:11:19,245 WARN [utils.nio.Task] (Agent-Handler-1:null) Caught the following exception but pushing on java.lang.NullPointerException at com.cloud.hypervisor.kvm.storage.LibvirtStorageAdaptor.createStoragePool(Lib virtStorageAdaptor.java:462) at com.cloud.hypervisor.kvm.storage.KVMStoragePoolManager.createStoragePool(KVM StoragePoolManager.java:57) at com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.initialize(Libvir tComputingResource.java:3271) at com.cloud.agent.Agent.sendStartup(Agent.java:320) at com.cloud.agent.Agent$ServerHandler.doTask(Agent.java:850) at com.cloud.utils.nio.Task.run(Task.java:83) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:11 10) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:6 03) at java.lang.Thread.run(Thread.java:679)
