Weird behavior and I don't see a reference to it in the thread. I'm doing a 1-1 disk move (RFS to XFS migration) to clear out RFS disks. I'm not moving this to multiple disks. I've noticed that my NIC is showing a steady outbound utilization. Right now I'm going from a 2TB disk to a 2TB disk and it's steady at 1.8Mbps outbound. When I was going from a 2TB disk to a 4TB disk it was almost 5Mbps outbound.
Obviously, all of the moves between disks are staying in the box. Why would I be seeing this outbound traffic? I am leaving the interface open while it's transferring, so maybe that has something to do with it, but then why would the utilization be different in two cases? Thought I should ask here before I start digging into the util stats on my network switch.