SIGuardian is the only tool that allows you to fully control health of your HDDs and prevent data loss from failures. Using S.M.A.R.T. technology included in all modern HDDs SIGuadian predicts the end date of HDD lifetime, so you can make backup copy of all data.
News source: SIGuardian Homepage
Download: SIGuardian 1.5 Beta Build 197
This is BETA software!, please use caution when installing it on your system