Rsync and Basic options

rsync -narvchtSR --delete-during --numeric-ids --exclude=.nfs\* --exclude=.snap --rsh="ssh -l root" :<source_directory> <destination_directory>

• R = use relative path names
• z = compress file data during the transfer
• r = recurse into directories (need to be specified by itself)
• a = archive mode; equals -rlptgoD (no -H,-A,-X)
  • l = copy symlinks as symlinks
  • p = preserve permissions
  • g = preserve group
  • o = preserve owner (super-user only)
• v = increase verbosity
• t = preserve modification times
• c = skip based on checksum, not mod-time & size
• h = output numbers in a human-readable format
• n = perform a trial run with no changes made
• S = handle sparse files efficiently
• delete-during = receiver deletes during xfer, not before
• numeric-ids = don't map uid/gid values by user/group name
• exclude = exclude files matching PATTERN