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From S. Brüseke - proIO GmbH <s.brues...@proio.com>
Subject snapshot cleanup on hypervisor primary storage
Date Tue, 05 Apr 2016 07:51:05 GMT
Hey guys,

we are using CS 4.5 with XenServer 6.5 SP1 and observed a behavior with volume-snapshots that
will fill up your primary storage over time:

Workflow:
1. create an instance
2. create a volume-snapshot of the ROOT-disk of that instance
3. delete instance and expunge it
4. check primary storage of XenServer. The latest snapshot of each volume-snapshot will stay
on primary storage and is not being deleted even after waiting for storage.cleanup.interval

Can somebody reproduce this?

As far as I understand the workflow of volume-snapshots CS will XenServer ask to do a snapshot
of the vm and then copy this snapshot to secondary storage. But why CS is not deleting the
snapshot on primary storage after a success copy to secondary storage? Is this a "broken"
workflow or is there a reason for that?

Is this the same behavior in newer releases of CS?

Mit freundlichen Grüßen / With kind regards,

Swen




- proIO GmbH -
Geschäftsführer: Swen Brüseke
Sitz der Gesellschaft: Frankfurt am Main

USt-IdNr. DE 267 075 918
Registergericht: Frankfurt am Main - HRB 86239

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