Hi,
We configured CloudStack to take snapshots daily and delete all old snapshots
to keep only the 2 most recent snapshots. But the old snapshots are not deleted.
>From the log on Secondary Storage VM, we can see the
>CleanupSnapshotBackupCommand was sent to Secondary Storage VM and the
>Secondary Storage VM agent received this request.
2013-04-25 00:01:37,978 DEBUG [cloud.agent.Agent] (agentRequest-Handler-4:)
Request:Seq 25-300817340: { Cmd , MgmtId: 153252621541, via: 25, Ver: v1,
Flags: 100011,
[{"CleanupSnapshotBackupCommand":{"secondaryStoragePoolURL":"nfs://172.18.30.12/export/secondary","dcId":1,"accountId":2,"volumeId":2422,"validBackupUUIDs":["/snapshots/1/2/2422/gitfraud01_DATA-2396_20130311171422","/snapshots/1/2/2422/gitfraud01_DATA-2396_20130322114746","/snapshots/1/2/2422/gitfraud01_DATA-2396_20130414110421","/snapshots/1/2/2422/gitfraud01_DATA-2396_20130415110421","/snapshots/1/2/2422/gitfraud01_DATA-2396_20130416110053","/snapshots/1/2/2422/gitfraud01_DATA-2396_20130417110053","/snapshots/1/2/2422/gitfraud01_DATA-2396_20130418110053","/snapshots/1/2/2422/gitfraud01_DATA-2396_20130419110053","/snapshots/1/2/2422/gitfraud01_DATA-2396_20130420110053","/snapshots/1/2/2422/gitfraud01_DATA-2396_20130421110053","/snapshots/1/2/2422/gitfraud01_DATA-2396_20130422110053","/snapshots/1/2/2422/gitfraud01_DATA-2396_20130423110053","/snapshots/1/2/2422/gitfraud01_DATA-2396_20130424110406"],"wait":0}}]
}
>From the log of Secondary Storage VM, as shown below, it seems the command was
>successfully executed.
2013-04-25 00:01:37,978 DEBUG [cloud.agent.Agent] (agentRequest-Handler-4:)
Processing command: com.cloud.agent.api.CleanupSnapshotBackupCommand
2013-04-25 00:01:37,979 DEBUG [storage.resource.NfsSecondaryStorageResource]
(agentRequest-Handler-4:) Executing: mount
2013-04-25 00:01:37,980 DEBUG [storage.resource.NfsSecondaryStorageResource]
(agentRequest-Handler-4:) Execution is successful.
2013-04-25 00:01:37,980 DEBUG [cloud.agent.Agent] (agentRequest-Handler-4:) Seq
25-300817340: { Ans: , MgmtId: 153252621541, via: 25, Ver: v1, Flags: 10,
[{"Answer":{"result":true,"wait":0}}] }
However, the snapshots that are not listed in the validBackupUUIDs were not
deleted.
In addition, the validBackupUUIDs were wrong as well. We configured to only
keep the most recent 2 snapshots, but the validBackupUUIDs sent by CloudStack
Manager also contain several old snapshots. But when we view the snapshots for
that VM from CloudStack Web UI, it only shows the 2 most recent snapshots.
Anyone has seen this issue before? Any idea on what the causes are? How to fix
it?
Regards,
Lianping
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