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External Firevault encrypted hard drive will no...

So, foolish of me, I have a 2TB external hard drive that was not backed up. On it I have years of memories, music, and movies that I will not be able to get again. I hope to find a way to get this sorted and mount this drive to back up all of the information on it. Now, this drive is encrypted with firevault. I had zero issues with this drive until it stopped working. I had it hooked up to my iMac, and one day I awoke and my computer was frozen. I had to hold down the power button in the back. When I turned my computer back on, I unplugged the drive and plugged it back in. When I did this, it asked for my password to decrypt it. I entered the password and the dialog shook as if the password was incorrect, so I entered the password again, and it told me "the disk xxxx is already unlocked. Use disk utility to mount the disk"

when I load disk utility, it just continues to load and nothing ever populates.

Here is what I get in terminal

Before decrypting 'diskutil list' returns

Before Decrypting 'diskutil coreStorage list' returns

Before or after decyrpting if I run 'diskutil repairDisk /dev/disk2' it says

"Repairing the partition map might erase disk2s1, proceed? (y/N) y

Started partition map repair on disk2

Checking prerequisites

Problems were encountered during repair of the partition map

Error: -69808: Some information was unavailable during an internal lookup"

Before or after decyrpting if I run 'diskutil repairVolume /dev/disk2s2' it says

"Started file system repair on disk2s2

Verifying storage system

Checking volume

disk2s2: Scan for Volume Headers

Invalid Volume Header @ 0: I/O error

Invalid Volume Header @ 2000054959616: I/O error

disk2s2 is not a CoreStorage volume

Storage system check exit code is 1

Repairing storage system

Checking volume

disk2s2: Scan for Volume Headers"

it loads for a while then it jumps to about 51% and keeps loading and adds in

"Invalid Volume Header @ 0: I/O error

Invalid Volume Header @ 2000054959616: I/O error

disk2s2 is not a CoreStorage volume"

Then I get

"Storage system check exit code is 1

Error: -69716: Storage system verify or repair failed

Underlying error: 1: Operation not permitted"

other times when running the repairVolume command on that volume I will get

"Started file system repair on disk2s2

Error: -69808: Some information was unavailable during an internal lookup"

Running 'diskutil cs unlockVolume 94C6A77D-D11D-483F-AC96-71535582E740 -stdinpassphrase' gives me

Passphrase:

Started CoreStorage operation

Logical Volume successfully unlocked

Error: -69774: Couldn't bring the new Core Storage Logical Volume online

最後更新：2017-09-18 13:20:19

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