abh1sar commented on issue #12405:
URL: https://github.com/apache/cloudstack/issues/12405#issuecomment-3759778249

   From my understanding, Veeam also performs hot-attach at the hypervisor 
layer via vcenter as part of the restore workflow. In that model, the external 
backup provider handles both volume creation and attachment. Same model is 
followed by NAS plugin/
   
   If we extend this expectation to other external backup providers, we can say 
that the provider handling the restore is also responsible for ensuring the 
restored volume is attached to the VM at the KVM level.
   
   I’m not very familiar with the Networker plugin to say if it can follow a 
similar model or needs CloudStack to perform the attach step after restore.
   
   If we had to handle it from Cloudstack side, I would think we would need to 
send AttachCommand to KVM after restore, although this needs proper scoping and 
validation with Networker.
   
   I’ll defer to someone more familiar with the Networker plugin to clarify the 
intended ownership of the attach operation in this workflow.


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