So many questions….
- Why are you offlining your node during transfer? You only offline it for the last final sync. Keep it running otherwise.
- I thought you are migrating to Linux? Why do you copy to another NTFS disk? And if you were to copy to another NTFS disk — copy entire partition, not files one by one.
Follow the guide How do I migrate my node to a new device? - Storj Docs and migrate data over network, your downtime will be a couple of minutes and how long transfer takes would be irrelevant.