The power of Time Machine is that it backs up every hour that the Mac is in use, in the background. And in one recent case, my iMac’s internal hard drive did signal impending failure, so I used my Time Machine backup state from the previous day to restore (after replacing my iMac’s old hard drive with a new one).
I have restored several times as a test (not because of a failure), just to make sure it works properly and I understand how it works (how to do it). Time Machine is my primary backup method, and I trust it. I use Carbon Copy Cloner only when I want to make an exact duplicate of a volume (such as my startup disk just before upgrading it from Snow Leopard to Lion). I use Chronosync to make “on demand” backups of those folders.
#GET BACKUP PRO MAC ARCHIVE#
There are also folders I exclude from Time Machine, because I don’t want an hourly archive of changes. So I use Chronosync to back up my most important folders to a second location. There is a very small, but not insignificant, chance that the primary drive and backup drive will I fail at the same time. I use Time Machine as the primary backup of “everything” to an external hard drive connected directly. More recently, I have been using it to back up selected folders to a second location on my local network. The end result is two folders at two locations that are identical (and you can set it to archive deleted files).
If a particular file is modified at both locations since the last sync, the program pauses and asks which one to keep. It syncs BOTH ways, meaning the version of the file that changed or was added since the last sync is kept (or placed) at both locations. Originally, I used it to keep a work folder on a Windows laptop “in sync” with the equivalent folder on my desktop Mac. As the “other” (second) backup tool (in addition to Time Machine), it is very useful and flexible. Developer says upgrades are free, forever.
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