How do I use tmutil to figure out what is wrong with my Time Machine as it keeps backing up huge amounts of data each time it back-ups although nothing has changed since the last back up? I'm backing-up to a Drobo FS
You can use timedog to see what's being backed up each time.
Open Terminal (in /Applications/Utilities)
cd /Volumes/Time\ Machine/Backups.backupdb/[Computer Name]Note Time Machine may be different on your system. Replace
[Computer Name]with the name of your computer (see System Preferences => Sharing).
/path/to/timedog -d 5 -lFor instance, if you unzipped timedog to your Desktop, the path would be
And then look at the output