Can't mount external WD 5TB drive : failed to enable crypto I/O mode for container

Hello,


I'm unable to mount a 5TB external WD My Passport Ultra drive, MacOS Monterey 12.2.1. First aid fails with the message below. This last worked early today. Any idea what caused this and how it can be fixed?


Thanks in advance!



Posted on May 28, 2023 7:12 AM

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May 28, 2023 8:30 AM in response to ohuk99

Bizarre thing is above it says "Is encrypted: no" while it definitely is...


Found the command to mount an encrypted volume on https://apple.stackexchange.com/questions/42257/how-can-i-mount-an-encrypted-disk-from-the-command-line - but that fails as well:



 % diskutil apfs unlockVolume 6EFC662A-8977-4341-A725-06B5C4E039D2

Passphrase:

Unlocking any cryptographic user on APFS Volume disk5s1

Error unlocking APFS Volume: Unable to get VEK info for an APFS Volume which is marked as encrypted in the IOKit Registry (-69461)


sudo fsck_apfs -n /dev/disk5s1

Password:

** Checking the container superblock.

  Checking the checkpoint with transaction ID 6636.

** Checking the space manager.

** Checking the space manager free queue trees.

** Checking the object map.

** Checking the encryption key structures.

error: failed to enable crypto I/O mode for container /dev/rdisk5: Invalid argument

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Can't mount external WD 5TB drive : failed to enable crypto I/O mode for container

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