when using rsnapshot there are a lot of hardlinks, to sync them you can use this command:

rsync -P -H --delete -uav /opt/hdds4c/ /tmp/hdds4cnew/

#faster approach
use option -c, --checksum skip based on checksum, not mod-time & size

rsync -P -H --delete -c --progress -uav /opt/hdds4c/ /tmp/hdds4cnew/

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