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From "Sanjeev N (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-4318) [Object_Store_Refactor] Failed to delete snapshot copied to Staging storage during snapshot creation
Date Wed, 14 Aug 2013 10:20:47 GMT
Sanjeev N created CLOUDSTACK-4318:
-------------------------------------

             Summary: [Object_Store_Refactor] Failed to delete snapshot copied to Staging
storage during snapshot creation
                 Key: CLOUDSTACK-4318
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-4318
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: KVM, Snapshot, Storage Controller
    Affects Versions: 4.2.0
         Environment: Latest build from ACS 4.2 branch
Storage:S3 for Secondary, NFS for staging and Local for Primary storage
Cluster: KVM
            Reporter: Sanjeev N
            Priority: Critical
             Fix For: 4.2.0


Failed to delete snapshot copied to Staging storage during snapshot creation. During snapshot
creation process snapshot will be copied to Staging storage and from there to S3. Once the
snapshot is backed up to S3 CS tries to delete the snapshot from the staging storage. 

Steps to Reproduce:
=================
1.Bring up CS with kvm cluster using S3 for Secondary, NFS for staging and Local for Primary
storage
2. Deploy guest vm with root and data disk
3.Take snapshot of the data disk

Observations:
==========
After snapshot is backed up CS sends deleteCommand  to delete the snapshot from staging storge.

2013-08-14 06:11:52,573 DEBUG [agent.transport.Request] (AgentManager-Handler-5:null) Seq
1-1253835537: Processing:  { Ans: , MgmtId: 6615759585382, via: 1, Ver: v1, Flags: 10, [{"org.apache.cloudstack.storage.command.CopyCmdAnswer":{"newData":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"path":"snapshots/2/13/6d2f2c58-03a4-4406-b738-73ed00c74f6a","id":0}},"result":true,"wait":0}}]
}
2013-08-14 06:11:52,573 DEBUG [agent.transport.Request] (Job-Executor-22:job-32 = [ 5daad4d3-7a5b-4aff-ace9-d417bee0565e
]) Seq 1-1253835537: Received:  { Ans: , MgmtId: 6615759585382, via: 1, Ver: v1, Flags: 10,
{ CopyCmdAnswer } }
2013-08-14 06:11:52,580 DEBUG [agent.transport.Request] (Job-Executor-22:job-32 = [ 5daad4d3-7a5b-4aff-ace9-d417bee0565e
]) Seq 3-1833173012: Sending  { Cmd , MgmtId: 6615759585382, via: 3, Ver: v1, Flags: 100011,
[{"org.apache.cloudstack.storage.command.DeleteCommand":{"data":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"path":"snapshots/2/13","volume":{"uuid":"0023a635-b1ca-499d-91b3-ddca2a4fa84d","volumeType":"DATADISK","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"a01b8b56-4987-4843-be07-e48f1c584498","id":1,"poolType":"Filesystem","host":"10.147.40.14","path":"/var/lib/libvirt/images","port":0}},"name":"DATA-8","size":5368709120,"path":"8a8b01a1-898a-498f-9b13-ca8b873586c5","volumeId":13,"vmName":"i-2-8-VM","accountId":2,"format":"QCOW2","id":13,"hypervisorType":"KVM"},"dataStore":{"com.cloud.agent.api.to.NfsTO":{"_url":"nfs://10.147.28.7/export/home/sanjeev/sec_kvm_os","_role":"ImageCache"}},"vmName":"i-2-8-VM","name":"HourlyDaily_DATA-8_20130814101143","hypervisorType":"KVM","id":7}},"wait":0}}]
}
2013-08-14 06:11:52,665 DEBUG [agent.transport.Request] (AgentManager-Handler-7:null) Seq
3-1833173012: Processing:  { Ans: , MgmtId: 6615759585382, via: 3, Ver: v1, Flags: 10, [{"com.cloud.agent.api.Answer":{"result":false,"details":"failed
to delete snapshot /mnt/SecStorage/0049354e-1f59-33c2-8bb6-760c9b2fa6ad/snapshots/2/*13* ,
err=Failed to delete file /mnt/SecStorage/0049354e-1f59-33c2-8bb6-760c9b2fa6ad/snapshots/2/*13*,
err=rm: cannot remove `/mnt/SecStorage/0049354e-1f59-33c2-8bb6-760c9b2fa6ad/snapshots/2/13':
Is a directory","wait":0}}] }



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