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If I can get the short encrypt to work I would like to use them continually. I use two drives for Time Machine backups and the backup switches drives every 10 minutes to keep both drives up to date within 10 mins.Īnother option is to unplug the drives (I use a 4-drive enclosure attached to my Mac Mini using a thunderbolt cable.) Plug them back in when you want to do another backup.

Other options if you have a spare Time Machine drive, erase the second drive and start again using the faster method shown above. I gave up the encryption at 12% encrypted on a 6TB drive. Look for “Conversion Progress” and check if “Conversion Direction:” is set to “backward”įYI: the decrypt process takes as long as the encrypt which was ok for me. You will be prompted with the OSX password unlock/decrypt dialog, After that it starts decrypting. NOTE: If your disk name contains spaces you will need to format the last part as follows: /Volumes/”title-drive -password” e.g., /”Time Machine -password” NTFS supports large data volumes: for a 4 KB cluster size, it can accommodate 16 TiB of data. It uses log files and checkpoint information to restore the stable values of a file system after a restart. I Terminal enter: diskutil cs revert /Volumes/title_drive -password New Technology File System (NTFS) is Microsoft’s default journaling system for Windows and Windows Server. In 10.9+ you can roll back encryption while its busy encrypting.
