Speed Up Filevault Decryption

I chose a 1T external drive for time machine and checked the 'encrypt backups' option. I thought it will only encrypt the backups, but as it seems it is now encrypting the whole drive which has quite some data on it and is not SSD ;). Is there a way to cancel the encryption process? I turned off Time Machine and chose another drive for it.

Forum discussion: To make it more convenient for TM and SMB I'll fire up FileVault only before going on the road. My previous 2.16 C2D MBP could get this done in either direction (encrypt or decrypt) in about 1-2 hours. My 13.3"e; 2.26 (4GB/500GB) is reporting that it.

macosencryptiontime-machinedisk-encryptionfilevault
  1. Speed Up FileVault2 Decryption. Skip to content. Wisdom and Wonder. Creativity and Mathematics. Speed Up FileVault2 Decryption. FileVault2 (FV2) provides disk encryption for OSX. I am unfamiliar with it. I read about it at the Apple website. It doesn’t explain much.
  2. Speed Up FileVault2 Decryption. FileVault2 (FV2) provides disk encryption for OSX. I am unfamiliar with it. I read about it at the Apple website.
Vitaly KushnerVitaly Kushner

2 Answers

Yes, in 10.9+ you can roll it back while its busy encrypting

You will then be promted with the OS X password unlock/decrypt dialog. After that it starts decrypting. The title_drive you can look up with diskutil list or ls -al /Volumes

Check the status with

Look for 'Conversion Progress' and check if 'Conversion Direction:' is set to 'backward'

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Speed
SanneSanne
  • Restart.

  • Then reset pram with option+cmd+p+r.

  • Booting with cmd+r the utility disc (I have a macintosh HD and one partition encrypted (the one with encoding paused)) >select the partition encrypted>click file and unlock>repair the partition disk>repair permission on partition>repair Macintosh HD.Restart.

  • The encryption will be resumed.

AaqibAaqib

protected by JakeGouldAug 26 '16 at 0:35

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