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From "Min Chen (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CLOUDSTACK-4318) [Object_Store_Refactor] Failed to delete snapshot copied to Staging storage during snapshot creation
Date Thu, 15 Aug 2013 01:06:47 GMT

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-4318?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Min Chen resolved CLOUDSTACK-4318.
----------------------------------

    Resolution: Fixed
    
> [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
>            Assignee: Min Chen
>            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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