This SO post goes over the semantics of `--inplace` and `--no-whole-file` --inplace update destination files in-place --whole-file, -W

This SO post goes over the semantics of `--inplace` and `--no-whole-file` --inplace update destination files in-place --whole-file, -W copy files whole (w/o delta-xfer algorithm) It is very important to debug rsync scripts with a test corpus and not on live data, preferably on test vm or container. https://superuser.com/questions/576035/does-rsync-inplace-write-to-the-entire-file-or-just-to-the-parts-that-need-to https://superuser.com/questions/576035/does-rsync-inplace-wr... Also, when transferring from different systems, make sure that both rsyncs are of a high enough version, again preferably the same. MacOS ships with a really old version of rsync that doesn't support extended attributes at `/usr/bin/rsync` rsync version 2.6.9 protocol version 29 This is kinda a large footgun.