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Re: [Xen-API] Delete a snapshot

  • To: R J <torushikeshj@xxxxxxxxx>
  • From: Vijay Ramadoss <vramadoss@xxxxxxxxxx>
  • Date: Mon, 25 Jun 2012 15:21:37 -0700
  • Accept-language: en-US
  • Acceptlanguage: en-US
  • Cc: "xen-api@xxxxxxxxxxxxx" <xen-api@xxxxxxxxxxxxx>
  • Delivery-date: Mon, 25 Jun 2012 22:21:54 +0000
  • List-id: User and development list for XCP and XAPI <xen-api.lists.xen.org>
  • Thread-index: Ac1S6K59L0VN6yG1SGmSaOp2yNjQUAAOAPXQ
  • Thread-topic: [Xen-API] Delete a snapshot

I don’t want to do periodic snapshots. I want to take snapshots on demand and when I do that I need to get rid of my oldest snapshot. VMPP doesn’t provide me an option for doing that.


Also last_shutdown_time field doesn’t give me details about snapshot ,does it? Also is there a method for deleting the snapshot? Destroy method in VM class destroys a VM but not a snapshot I believe.



Vijay R


From: R J [mailto:torushikeshj@xxxxxxxxx]
Sent: Monday, June 25, 2012 8:39 AM
To: Vijay Ramadoss
Cc: xen-api@xxxxxxxxxxxxx
Subject: Re: [Xen-API] Delete a snapshot


Hi Vijay,

You could look at vmpp ( VM Protection Policy ) to take periodic snapshots and delete the oldest one.

Another safe way would be to create a Parent-Child relation amongst the VM-Snapshot and compare the dates / timestamps.
Have you checked the "other-config (MRW): last_shutdown_time " ?

- RJ

On Mon, Jun 25, 2012 at 9:45 AM, Vijay Ramadoss <vramadoss@xxxxxxxxxx> wrote:

Hi – I am trying to figure out a way to delete a snapshot from a VM and could not find the right API to do that. I basically want to delete the most oldest snapshot of a VM. How do I do that?
I found the timetamp field of the VM class, but that  is returning invalid timestamp for a timestamp for me for some reason. Any idea how to figure out the oldest snapshot and delete it?


Any help would be appreciated.



Vijay R


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