[pve-devel] vm migration + storage migration with ndb workflow notes

[Dietmar Maurer]

> >>We only want to be able to migrate local disks (changing storage is not
> really needed?).
> >>I guess that would make 'remote' migrate much easier?
> I think the main feature is indeed live migrate from a local non shared
> storage to a another remote local non shared storage.

Yes

> I see another usage (for my own need), migrate between 2 remote
> datacenters (1proxmox cluster across both), with a local san on each
> datacenter.
> Each datacenter can use differents storage, with differents protocol (nfs ->
> iscsi for exemple).
> 
> 
> What do you mean by ("changing storage is not really needed?"). Do you
> mean changing storage format ? (local raw -> remote local lvm by example)
> Because,For online remote storage migration, with ndb, it's easy to mirror
> from any source storage to any remote storage.

There is no need to change the storage name -  we just migrate
from 'local:disk1' to 'local:disk1' (storage/image is not changed, but be
copy data because storage is not shared).