????  ???????????? ???????????????? 

2014-12-15 00:23:59,131 DEBUG [c.c.c.CapacityManagerImpl] 
(secstorage-1:ctx-7df7d5d6) release mem from host: 1, old used: 
536870912,reserved: 0, total: 31575584768; new used: 0,reserved:0; 
movedfromreserved: false,moveToReserveredfalse
2014-12-15 00:23:59,133 WARN  [c.c.s.s.SecondaryStorageManagerImpl] 
(secstorage-1:ctx-7df7d5d6) Exception while trying to start secondary storage vm
com.cloud.exception.AgentUnavailableException: Resource [Host:1] is 
unreachable: Host 1: Unable to start instance due to null
        at 
com.cloud.vm.VirtualMachineManagerImpl.orchestrateStart(VirtualMachineManagerImpl.java:1073)
        at 
com.cloud.vm.VirtualMachineManagerImpl.advanceStart(VirtualMachineManagerImpl.java:761)
        at 
com.cloud.vm.VirtualMachineManagerImpl.advanceStart(VirtualMachineManagerImpl.java:745)
        at 
com.cloud.storage.secondary.SecondaryStorageManagerImpl.startSecStorageVm(SecondaryStorageManagerImpl.java:261)
        at 
com.cloud.storage.secondary.SecondaryStorageManagerImpl.allocCapacity(SecondaryStorageManagerImpl.java:694)
        at 
com.cloud.storage.secondary.SecondaryStorageManagerImpl.expandPool(SecondaryStorageManagerImpl.java:1278)
        at 
com.cloud.secstorage.PremiumSecondaryStorageManagerImpl.scanPool(PremiumSecondaryStora
?? 2014??12??15????????12:17??Mr.?? <289254...@qq.com> ??????

> xen??SR??????????????????????http://blog.csdn.net/jkeven/article/details/8055523
> 
> 
> 
> 
> ------------------ Original ------------------
> From: "jacklin"<junsen...@163.com>; 
> Date: 2014??12??15??(??????) ????0:14
> To: "users-cn"<users-cn@cloudstack.apache.org>; 
> Subject: ????
> 
> 
> 
> com.cloud.utils.exception.CloudRuntimeException: Can not create storage pool 
> through host 1 due to Catch Exception 
> com.cloud.utils.exception.CloudRuntimeException, create StoragePool failed 
> due to com.cloud.utils.exception.CloudRuntimeException: There is a SR using 
> the same configuration server:192.168.1.4, serverpath:/export/primary for 
> pool dbd0bb65-1fd5-3a8c-a793-c6f86d6417d9on 
> host:c582e1d6-ecff-4904-9c76-dcf24bd8013d on 
> host:c582e1d6-ecff-4904-9c76-dcf24bd8013d pool: 192.168.1.4/export/primary
>        at 
> org.apache.cloudstack.storage.datastore.lifecycle.CloudStackPrimaryDataStoreLifeCycleImpl.createStoragePool(CloudStackPrimaryDataStoreLifeCycleImpl.java:377)
>        at 
> org.apache.cloudstack.storage.datastore.lifecycle.CloudStackPrimaryDataStoreLifeCycleImpl.attachCluster(CloudStackPrimaryDataStoreLifeCycleImpl.java:401)
>        at 
> com.cloud.storage.StorageManagerImpl.createPool(StorageManagerImpl.java:671)
>        at 
> com.cloud.storage.StorageManagerImpl.createPool(StorageManagerImpl.java:176)
>        at 
> org.apache.cloudstack.api.command.admin.storage.CreateStoragePoolCmd.execute(CreateStoragePoolCmd.java:168)
>        at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:161)
>        at com.cloud.api.ApiServer.queueCommand(ApiServe


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