xuanyuanaosheng opened a new issue #5776:
URL: https://github.com/apache/cloudstack/issues/5776
##### ISSUE TYPE
* Bug Report
The related issue is : https://github.com/apache/cloudstack/issues/5741
I create a volumes using Ceph RBD Storage,
But Is is failed when I attach this volemes to a running VM.
---------------------
The related info is:
I using command in KVM node and find the volume has created in ceph pool.
```
# rbd -p cloudstack ls
4f558b9c-4850-4727-b454-d0bcc0773284
baff76c8-0d6e-446f-a2df-541d285b33f0
```
The cloudstack agent error logs is
```
2021-12-15 18:51:14,815 INFO [kvm.storage.LibvirtStorageAdaptor]
(agentRequest-Handler-5:null) (logid:44e5aea5) Trying to fetch storage pool
b90eae9d-973c-362c-8afc-af88f0743892 from libvirt
2021-12-15 18:51:14,815 WARN [cloud.agent.Agent]
(agentRequest-Handler-5:null) (logid:44e5aea5) Caught:
com.cloud.utils.exception.CloudRuntimeException:
org.libvirt.LibvirtException: Storage pool not found: no storage pool with
matching uuid 'b90eae9d-973c-362c-8afc-af88f0743892'
at
com.cloud.hypervisor.kvm.storage.LibvirtStorageAdaptor.getStoragePool(LibvirtStorageAdaptor.java:505)
at
com.cloud.hypervisor.kvm.storage.LibvirtStorageAdaptor.getStoragePool(LibvirtStorageAdaptor.java:424)
at
com.cloud.hypervisor.kvm.storage.KVMStoragePoolManager.connectPhysicalDisk(KVMStoragePoolManager.java:129)
at
com.cloud.hypervisor.kvm.storage.KVMStorageProcessor.attachVolume(KVMStorageProcessor.java:1332)
at
com.cloud.storage.resource.StorageSubsystemCommandHandlerBase.execute(StorageSubsystemCommandHandlerBase.java:158)
at
com.cloud.storage.resource.StorageSubsystemCommandHandlerBase.handleStorageCommands(StorageSubsystemCommandHandlerBase.java:65)
at
com.cloud.hypervisor.kvm.resource.wrapper.LibvirtStorageSubSystemCommandWrapper.execute(LibvirtStorageSubSystemCommandWrapper.java:36)
at
com.cloud.hypervisor.kvm.resource.wrapper.LibvirtStorageSubSystemCommandWrapper.execute(LibvirtStorageSubSystemCommandWrapper.java:30)
at
com.cloud.hypervisor.kvm.resource.wrapper.LibvirtRequestWrapper.execute(LibvirtRequestWrapper.java:78)
at
com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeRequest(LibvirtComputingResource.java:1648)
at com.cloud.agent.Agent.processRequest(Agent.java:661)
at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:1079)
at com.cloud.utils.nio.Task.call(Task.java:83)
at com.cloud.utils.nio.Task.call(Task.java:29)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: org.libvirt.LibvirtException: Storage pool not found: no storage
pool with matching uuid 'b90eae9d-973c-362c-8afc-af88f0743892'
at org.libvirt.ErrorHandler.processError(Unknown Source)
at org.libvirt.ErrorHandler.processError(Unknown Source)
at org.libvirt.Connect.storagePoolLookupByUUIDString(Unknown Source)
at
com.cloud.hypervisor.kvm.storage.LibvirtStorageAdaptor.getStoragePool(LibvirtStorageAdaptor.java:433)
... 17 more
```
The cloudstack web UI error is
```
message.attach.volume.failed: whzpromalert001
Failed to attach volume whzpromalert001 to VM whzpromalert001 due to: class
com.cloud.agent.api.Answer cannot be cast to class
org.apache.cloudstack.storage.command.AttachAnswer (com.cloud.agent.api.Answer
and org.apache.cloudstack.storage.command.AttachAnswer are in unnamed module of
loader 'app')
```
Could you please give some advices ?
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