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From "Sanjeev N (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-3786) [object_store_Refactor] Snapshots removed field is not set after successful deletion of the snapshot
Date Wed, 24 Jul 2013 16:31:50 GMT
Sanjeev N created CLOUDSTACK-3786:
-------------------------------------

             Summary: [object_store_Refactor] Snapshots removed field is not set after successful
deletion of the snapshot
                 Key: CLOUDSTACK-3786
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-3786
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Snapshot, Storage Controller
    Affects Versions: 4.2.0
         Environment: Latest build from ACS 4.2 branch
            Reporter: Sanjeev N
             Fix For: 4.2.0


[object_store_Refactor] Snapshots removed field is not set after successful deletion of the
snapshot

After deleting snapshot from CS , snpashot's removed filed is not set in snapshots table.

Steps to Reproduce:
================
1.Bring up CS with xen cluster.
2.Deploy guest vm with default cent of template
3.Take snapshot on the guest vms root disk
4.Set storage.cleanup.interval to a small value say 60 sec. and restart management server
5.After snapshot comes to Backedup state delete it from CS

Observations:
===========
snpashot status was set to Destroyed in snapshots table after deleting the snapshot. After
storage gc kicked in snapshot was deleted from the secondary storage. However snapshot entry's
removed filed is not set.

mysql> select * from snapshots where id=20\G;
*************************** 1. row ***************************
              id: 20
  data_center_id: 1
      account_id: 2
       domain_id: 1
       volume_id: 24
disk_offering_id: 1
          status: Destroyed
            path: NULL
            name: storage-gc_ROOT-14_20130724122707
            uuid: ac718d38-c2b0-4dee-9172-c49ef34b2911
   snapshot_type: 0
type_description: MANUAL
            size: 21474836480
         created: 2013-07-24 12:27:07
         removed: NULL
  backup_snap_id: NULL
        swift_id: NULL
      sechost_id: NULL
    prev_snap_id: NULL
 hypervisor_type: XenServer
         version: 2.2
           s3_id: NULL
1 row in set (0.00 sec)

ERROR:
No query specified

At this stage snpashot state was set set to Destroyed in snapshot_store_ref table.

Log snippet from management server log:
=================================
2013-07-24 12:06:19,519 DEBUG [cloud.api.ApiServlet] (catalina-exec-2:null) ===START===  10.101.255.43
-- GET  command=deleteSnapshot&id=ac718d38-c2b0-4dee-9172-c49ef34b2911&response=json&sessionkey=ENi%2FuFe8GijlfDYRBxJF2oicGQ4%3D&_=1374681978746
2013-07-24 12:06:19,655 DEBUG [cloud.async.AsyncJobManagerImpl] (catalina-exec-2:null) submit
async job-87 = [ 0c3204be-9322-46f4-88e1-eed7f434ea98 ], details: AsyncJobVO {id:87, userId:
2, accountId: 2, sessionKey: null, instanceType: Snapshot, instanceId: 20, cmd: org.apache.cloudstack.api.command.user.snapshot.DeleteSnapshotCmd,
cmdOriginator: null, cmdInfo: {"id":"ac718d38-c2b0-4dee-9172-c49ef34b2911","response":"json","sessionkey":"ENi/uFe8GijlfDYRBxJF2oicGQ4\u003d","cmdEventType":"SNAPSHOT.DELETE","ctxUserId":"2","httpmethod":"GET","_":"1374681978746","ctxAccountId":"2","ctxStartEventId":"349"},
cmdVersion: 0, callbackType: 0, callbackAddress: null, status: 0, processStatus: 0, resultCode:
0, result: null, initMsid: 6615759585382, completeMsid: null, lastUpdated: null, lastPolled:
null, created: null}
2013-07-24 12:06:19,659 DEBUG [cloud.api.ApiServlet] (catalina-exec-2:null) ===END===  10.101.255.43
-- GET  command=deleteSnapshot&id=ac718d38-c2b0-4dee-9172-c49ef34b2911&response=json&sessionkey=ENi%2FuFe8GijlfDYRBxJF2oicGQ4%3D&_=1374681978746
2013-07-24 12:06:19,668 DEBUG [cloud.async.AsyncJobManagerImpl] (Job-Executor-13:job-87 =
[ 0c3204be-9322-46f4-88e1-eed7f434ea98 ]) Executing org.apache.cloudstack.api.command.user.snapshot.DeleteSnapshotCmd
for job-87 = [ 0c3204be-9322-46f4-88e1-eed7f434ea98 ]
2013-07-24 12:06:19,722 DEBUG [storage.snapshot.XenserverSnapshotStrategy] (Job-Executor-13:job-87
= [ 0c3204be-9322-46f4-88e1-eed7f434ea98 ]) delete snapshot chain for snapshot: 20
2013-07-24 12:06:19,724 DEBUG [storage.snapshot.XenserverSnapshotStrategy] (Job-Executor-13:job-87
= [ 0c3204be-9322-46f4-88e1-eed7f434ea98 ]) Snapshot: 20 doesn't have children, so it's ok
to delete it and its parents
2013-07-24 12:06:19,777 DEBUG [agent.transport.Request] (Job-Executor-13:job-87 = [ 0c3204be-9322-46f4-88e1-eed7f434ea98
]) Seq 3-875364584: 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/2/24/784de669-1058-4843-8a14-cf6f4e783a4b","volume":{"uuid":"beb7a932-aa9c-45a4-ba62-ee54b284cf6d","volumeType":"ROOT","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"c65a038a-750c-3b4f-bf26-7ce3b74e1c85","id":1,"poolType":"NetworkFilesystem","host":"10.147.28.7","path":"/export/home/sanjeev/pri_xen_os","port":2049}},"name":"ROOT-14","size":21474836480,"path":"10eb79a0-3d16-49e6-84f3-92f5767a30bd","volumeId":24,"vmName":"i-2-14-VM","accountId":2,"format":"VHD","id":24},"dataStore":{"com.cloud.agent.api.to.NfsTO":{"_url":"nfs://10.147.28.7/export/home/sanjeev/sec_xen_os","_role":"Image"}},"vmName":"i-2-14-VM","name":"storage-gc_ROOT-14_20130724122707","hypervisorType":"XenServer","id":20}},"wait":0}}]
}

2013-07-24 12:07:10,109 DEBUG [cloud.storage.StorageManagerImpl] (StorageManager-Scavenger-2:null)
Storage pool garbage collector found 0 templates to clean up in storage pool: pri_xen_os
2013-07-24 12:07:10,115 DEBUG [cloud.storage.StorageManagerImpl] (StorageManager-Scavenger-2:null)
Storage pool garbage collector found 0 templates to clean up in storage pool: pri_xen_os2
2013-07-24 12:07:10,121 DEBUG [cloud.storage.StorageManagerImpl] (StorageManager-Scavenger-2:null)
Secondary storage garbage collector found 0 templates to cleanup on template_store_ref for
store: sec_xen_os
2013-07-24 12:07:10,123 DEBUG [cloud.storage.StorageManagerImpl] (StorageManager-Scavenger-2:null)
Secondary storage garbage collector found 1 snapshots to cleanup on snapshot_store_ref for
store: sec_xen_os
2013-07-24 12:07:10,128 DEBUG [cloud.storage.StorageManagerImpl] (StorageManager-Scavenger-2:null)
Deleting snapshot store DB entry: VolumeHost[40-20-1snapshots/2/24/784de669-1058-4843-8a14-cf6f4e783a4b]
2013-07-24 12:07:10,135 DEBUG [cloud.storage.StorageManagerImpl] (StorageManager-Scavenger-2:null)
Secondary storage garbage collector found 0 volumes to cleanup on volume_store_ref for store:
sec_xen_os

After gc kicked in snapshot entry got deleted from snapshot_store_ref table.

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