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From "Abhinav Roy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-2630) Object_Store_Refactor - Snapshots - There is no delta snapshots being created for subsequent snapshots when multiple snapshots are taken for root /data volumes.
Date Fri, 12 Jul 2013 11:05:48 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-2630?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13706859#comment-13706859
] 

Abhinav Roy commented on CLOUDSTACK-2630:
-----------------------------------------

The issue is being seen even now with the latest 4.2 build
                
> Object_Store_Refactor - Snapshots - There is no delta snapshots being created for subsequent
snapshots when multiple  snapshots are taken for root /data volumes.
> -----------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-2630
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-2630
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server
>    Affects Versions: 4.2.0
>         Environment: Build from object store
>            Reporter: Sangeetha Hariharan
>            Assignee: edison su
>            Priority: Blocker
>             Fix For: 4.2.0
>
>
> Object_Store_Refactor - Snapshots - There is no delta syncs being created for subsequent
snapshots when multiple  snapshots are taken for root /data volumes
> Steps to reproduce the problem:
> Deploy a Vm with root and data disk.
> Take 1 snapshot of root volume.
> Do some changes to the root volume like create files.
> Take another snapshot of root volume.
> Notice that the 2nd snapshot taken is not a delta snapshot.
> [root@nfs2 3]# ls -ltr
> total 2607572
> -rw-r--r-- 1 root root 1863848448 May 22 15:28 aecfd50d-c5f7-4270-96af-ccef8d040854.vhd
> -rw-r--r-- 1 root root 1865949696 May 22 15:33 d9d89b01-a82c-41b0-a440-3bb807beac6e.vhd
> [root@nfs2 3]#
> Take 1 snapshot of data volume.
> Do some changes to the data volume like create files.
> Take another snapshot of data volume.
> Notice that the 2nd snapshot taken is not a delta snapshot.
> [root@nfs2 8]# ls -ltr
> total 13052
> -rw-r--r-- 1 root root 153403904 May 22 13:53 15f1706f-7a2a-45ba-96bc-d0dc520909f3.vhd
> -rw-r--r-- 1 root root 153403904 May 22 13:54 9047547a-a131-431a-b3f0-de1a3acb5117.vhd
> -rw-r--r-- 1 root root 153403904 May 22 15:47 6077e984-f7e3-4981-919d-25b0381fb563.vhd
> management server logs:
> 2013-05-22 14:46:17,881 DEBUG [cloud.async.AsyncJobManagerImpl] (catalina-exec-21:null)
submit async job-30, details: AsyncJobVO {id:30, userId: 2, accountId: 2, sessionKey: null,
instanceType: Snapshot, instanceId: 7, cmd: org.apache.cloudstack.api.command.user.snapshot.CreateSnapshotCmd,
cmdOriginator: null, cmdInfo: {"id":"7","response":"json","sessionkey":"5LuVTJbq8L9whPX/rBchZgFpeGs\u003d","ctxUserId":"2","httpmethod":"GET","_":"1369262605452","volumeid":"127eb892-e435-4a13-a29a-5b9d3185face","ctxAccountId":"2","ctxStartEventId":"95"},
cmdVersion: 0, callbackType: 0, callbackAddress: null, status: 0, processStatus: 0, resultCode:
0, result: null, initMsid: 206915885079359, completeMsid: null, lastUpdated: null, lastPolled:
null, created: null}
> 2013-05-22 14:46:17,883 DEBUG [cloud.async.AsyncJobManagerImpl] (Job-Executor-7:job-30)
Executing org.apache.cloudstack.api.command.user.snapshot.CreateSnapshotCmd for job-30
> 2013-05-22 14:46:17,915 INFO  [user.snapshot.CreateSnapshotCmd] (Job-Executor-7:job-30)
VOLSS: createSnapshotCmd starts:1369259177915
> 2013-05-22 14:46:17,976 DEBUG [agent.transport.Request] (Job-Executor-7:job-30) Seq 1-375915079:
Sending  { Cmd , MgmtId: 206915885079359, via: 1, Ver: v1, Flags: 100011, [{"org.apache.cloudstack.storage.command.CreateObjectCommand":{"data":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"volume":{"uuid":"127eb892-e435-4a13-a29a-5b9d3185face","volumeType":"DATADISK","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"dbf7203e-d359-3179-a464-9900e126cdb0","id":3,"poolType":"NetworkFilesystem","host":"10.223.110.232","path":"/export/home/sangeetha/campo-systemp-1/primary2","port":2049}},"name":"DATA-8","size":5368709120,"path":"4cfaf81f-e11b-42ae-a290-65e2e36fb099","volumeId":8,"vmName":"i-2-8-VM","accountId":2,"id":8},"dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"dbf7203e-d359-3179-a464-9900e126cdb0","id":3,"poolType":"NetworkFilesystem","host":"10.223.110.232","path":"/export/home/sangeetha/campo-systemp-1/primary2","port":2049}},"vmName":"i-2-8-VM","name":"data-123_DATA-8_20130522214617","hypervisorType":"XenServer","id":7}},"wait":0}}]
}
> 2013-05-22 14:46:17,976 DEBUG [agent.transport.Request] (Job-Executor-7:job-30) Seq 1-375915079:
Executing:  { Cmd , MgmtId: 206915885079359, via: 1, Ver: v1, Flags: 100011, [{"org.apache.cloudstack.storage.command.CreateObjectCommand":{"data":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"volume":{"uuid":"127eb892-e435-4a13-a29a-5b9d3185face","volumeType":"DATADISK","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"dbf7203e-d359-3179-a464-9900e126cdb0","id":3,"poolType":"NetworkFilesystem","host":"10.223.110.232","path":"/export/home/sangeetha/campo-systemp-1/primary2","port":2049}},"name":"DATA-8","size":5368709120,"path":"4cfaf81f-e11b-42ae-a290-65e2e36fb099","volumeId":8,"vmName":"i-2-8-VM","accountId":2,"id":8},"dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"dbf7203e-d359-3179-a464-9900e126cdb0","id":3,"poolType":"NetworkFilesystem","host":"10.223.110.232","path":"/export/home/sangeetha/campo-systemp-1/primary2","port":2049}},"vmName":"i-2-8-VM","name":"data-123_DATA-8_20130522214617","hypervisorType":"XenServer","id":7}},"wait":0}}]
}
> 2013-05-22 14:46:19,526 DEBUG [agent.transport.Request] (Job-Executor-7:job-30) Seq 1-375915079:
Received:  { Ans: , MgmtId: 206915885079359, via: 1, Ver: v1, Flags: 10, { CreateObjectAnswer
} }
> 2013-05-22 14:46:19,628 DEBUG [agent.transport.Request] (Job-Executor-7:job-30) Seq 1-375915080:
Sending  { Cmd , MgmtId: 206915885079359, via: 1, Ver: v1, Flags: 100111, [{"org.apache.cloudstack.storage.command.CopyCommand":{"srcTO":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"path":"3ceb618a-5bce-4076-a7c6-aff08af8bb6e","volume":{"uuid":"127eb892-e435-4a13-a29a-5b9d3185face","volumeType":"DATADISK","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"dbf7203e-d359-3179-a464-9900e126cdb0","id":3,"poolType":"NetworkFilesystem","host":"10.223.110.232","path":"/export/home/sangeetha/campo-systemp-1/primary2","port":2049}},"name":"DATA-8","size":5368709120,"path":"4cfaf81f-e11b-42ae-a290-65e2e36fb099","volumeId":8,"vmName":"i-2-8-VM","accountId":2,"id":8},"dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"dbf7203e-d359-3179-a464-9900e126cdb0","id":3,"poolType":"NetworkFilesystem","host":"10.223.110.232","path":"/export/home/sangeetha/campo-systemp-1/primary2","port":2049}},"vmName":"i-2-8-VM","name":"data-123_DATA-8_20130522214617","hypervisorType":"XenServer","id":7}},"destTO":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"path":"snapshots/2/8","volume":{"uuid":"127eb892-e435-4a13-a29a-5b9d3185face","volumeType":"DATADISK","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"dbf7203e-d359-3179-a464-9900e126cdb0","id":3,"poolType":"NetworkFilesystem","host":"10.223.110.232","path":"/export/home/sangeetha/campo-systemp-1/primary2","port":2049}},"name":"DATA-8","size":5368709120,"path":"4cfaf81f-e11b-42ae-a290-65e2e36fb099","volumeId":8,"vmName":"i-2-8-VM","accountId":2,"id":8},"dataStore":{"com.cloud.agent.api.to.NfsTO":{"_url":"nfs://10.223.110.232/export/home/sangeetha/campo-systemp-1/secondary","_role":"Image"}},"vmName":"i-2-8-VM","name":"data-123_DATA-8_20130522214617","hypervisorType":"XenServer","id":7}},"wait":21600}}]
}
> 2013-05-22 14:46:19,629 DEBUG [agent.transport.Request] (Job-Executor-7:job-30) Seq 1-375915080:
Executing:  { Cmd , MgmtId: 206915885079359, via: 1, Ver: v1, Flags: 100111, [{"org.apache.cloudstack.storage.command.CopyCommand":{"srcTO":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"path":"3ceb618a-5bce-4076-a7c6-aff08af8bb6e","volume":{"uuid":"127eb892-e435-4a13-a29a-5b9d3185face","volumeType":"DATADISK","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"dbf7203e-d359-3179-a464-9900e126cdb0","id":3,"poolType":"NetworkFilesystem","host":"10.223.110.232","path":"/export/home/sangeetha/campo-systemp-1/primary2","port":2049}},"name":"DATA-8","size":5368709120,"path":"4cfaf81f-e11b-42ae-a290-65e2e36fb099","volumeId":8,"vmName":"i-2-8-VM","accountId":2,"id":8},"dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"dbf7203e-d359-3179-a464-9900e126cdb0","id":3,"poolType":"NetworkFilesystem","host":"10.223.110.232","path":"/export/home/sangeetha/campo-systemp-1/primary2","port":2049}},"vmName":"i-2-8-VM","name":"data-123_DATA-8_20130522214617","hypervisorType":"XenServer","id":7}},"destTO":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"path":"snapshots/2/8","volume":{"uuid":"127eb892-e435-4a13-a29a-5b9d3185face","volumeType":"DATADISK","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"dbf7203e-d359-3179-a464-9900e126cdb0","id":3,"poolType":"NetworkFilesystem","host":"10.223.110.232","path":"/export/home/sangeetha/campo-systemp-1/primary2","port":2049}},"name":"DATA-8","size":5368709120,"path":"4cfaf81f-e11b-42ae-a290-65e2e36fb099","volumeId":8,"vmName":"i-2-8-VM","accountId":2,"id":8},"dataStore":{"com.cloud.agent.api.to.NfsTO":{"_url":"nfs://10.223.110.232/export/home/sangeetha/campo-systemp-1/secondary","_role":"Image"}},"vmName":"i-2-8-VM","name":"data-123_DATA-8_20130522214617","hypervisorType":"XenServer","id":7}},"wait":21600}}]
}
> 2013-05-22 14:46:47,906 DEBUG [agent.transport.Request] (Job-Executor-7:job-30) Seq 1-375915080:
Received:  { Ans: , MgmtId: 206915885079359, via: 1, Ver: v1, Flags: 110, { CopyCmdAnswer
} }
> 2013-05-22 14:46:47,969 DEBUG [cloud.async.AsyncJobManagerImpl] (Job-Executor-7:job-30)
Complete async job-30, jobStatus: 1, resultCode: 0, result: org.apache.cloudstack.api.response.SnapshotResponse@3cc2f15
> 2013-05-22 14:46:47,980 DEBUG [cloud.async.AsyncJobManagerImpl] (Job-Executor-7:job-30)
Done executing org.apache.cloudstack.api.command.user.snapshot.CreateSnapshotCmd for job-30
> 2013-05-22 14:46:48,382 DEBUG [cloud.async.AsyncJobManagerImpl] (catalina-exec-3:null)
Async job-30 completed

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