Copy large qcow2 image via rsync between 2 servers

Problem: Very large (400GB+) .qcow2 file that needs to be copied from HostA to HostB, where HostB is behind an ISP that does 24 hour disconnection of the connection. Also because other people live in that household that use TV streaming, the bandwidth consumed should be limited. In this case I’m on a 100MBit/s connection,…

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