Thus said John Von Essen on Tue, 31 Dec 2019 11:38:07 -0500:
> Back to the checksum thing though, in my scenario, the filenames alone
> are the source of truth, the QNAP never gets deleted, only added to.
> Is there a way to tell rsync to NOT check the checksums just look at
> the filename, then copy brand new files if they dont exist in the
> destination?
rsync already does this by default so there's no need to enable it
explicitly. If the timestamp and filesize on a file are the same then it
doesn't compute the checksum. See the following from the man page:
-I, --ignore-times
Normally rsync will skip any files that are already the same size
and have the same modification timestamp. This option turns off
this "quick check" behavior, causing all files to be updated.
Andy
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