Yes, I think we need a call to change disk type between data and root
On Mon, Mar 24, 2014 at 12:37 PM, Alena Prokharchyk <alena.prokharc...@citrix.com> wrote: > I would like to propose a new feature for CS 4.5 - "ROOT volume detach" - > that enables support for following use cases: > > 1) Replace current ROOT volume with the new one for existing vm. > 2) Case when ROOT volume of vm1 gets corrupted, and you want to attach it to > vm2 to run the recovery utils on it. With current CS implemntation, you have > to perform several steps - create snapshot of vm1's volume, create volume > from snapshot, attach volume to the vm2. New implementation will merge it all > to one step. > > > With the planned implementation, once the ROOT volume is detached, it can be > attached to any existing vm (with respect to Admin/Domain/Physical resources > limitations), either as a DataDisk or a Root disk. > > Amazon EC2 already has this functionality in place, so I think CS would only > benefit from having it. Storage experts (Edison, others) please raise your > concerns if you have any, or if you see any potential problems with the > planned implementation. And if anyone can think of other use cases this > feature can possible solve, I would appreciate this input as well. > > > Feature limitations: > > * ROOT volume can be detached only when vm is in Stopped state > * CS will fail to start the vm not having a ROOT volume > > I will send out the link to the FS once I start getting feedback on the > proposal. > > -Alena.
