Time Machine corruption bug may prevent backups
A bug apparently exists in Apple's Time Machine backup routines in Mountain Lion that can prevent recent backups from being used for a full restore.
By default, Time Machine mirrors the entire boot drive of an OS X system, and should update on an hourly basis to keep the backups current with changes to your system. By combining hard links to old backups along with new backup data, it quickly creates a full representation of your system by copying only changed files to the backup.
In this sense, in its default configuration each backup represented in Time Machine should … Read more