Re: [Xen-API] Delete a snapshot

[Mike McClurg <mike.mcclurg@xxxxxxxxxx>]

Hi Vijay,

A snapshot of VM is just a VM that can't be started, only cloned. This
means that you can perform (most) VM operations on a VM snapshot. You
can use the API to get the list of a particular VM's snapshots, and then
check the snapshot_time field to see which one is the oldest. After
that, it's just a simple VM.destroy call.

Please refer to the API reference, particularly the VM class documentation:

http://docs.vmd.citrix.com/XenServer/6.0.0/1.0/en_gb/api/index.html?c=VM

Hope this helps,

Mike

On 25/06/12 23:21, Vijay Ramadoss wrote:
> 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.
> 
>  
> 
> *Regards,*
> 
> *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
> <mailto: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.
> 
>  
> 
> *Regards,*
> 
> *Vijay R*
> 
>  
> 
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