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  1. #1


    Member Since
    Mar 23, 2012
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    Time Capsule Disappeared???
    I back up to an external HD that used to show up on my desktop. For some reason it no longer is there, although disk utility says it's mounted. Failed both verify and repair attempts with the error message "invald sibling link:betweent "checking catalog file" and "rebuilding catalog-B tree"

  2. #2

    Lifeisabeach's Avatar
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    You will need a more advanced tool to repair the drive, assuming it hasn't crashed outright. DiskWarrior and TechTool Pro both have repair modules that are more advanced than what Disk Utility can do.

  3. #3

    bobtomay's Avatar
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    Best recommendation, buy a new drive - that one is dead.

    New drive <$100
    Disk repair utility $100 and could continue having problems with the drive.
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

  4. #4


    Member Since
    Mar 23, 2012
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    Thanks for your responses. I think I'll take bobtomay's advice.

    A related question: How do I capture my old Time Machine files and transfer them to the new hardware?

  5. #5

    Lifeisabeach's Avatar
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    Quote Originally Posted by Wanda View Post
    Thanks for your responses. I think I'll take bobtomay's advice.

    A related question: How do I capture my old Time Machine files and transfer them to the new hardware?
    Assuming the old drive hasn't died completely, you'd need an advanced repair tool like DiskWarrior or TechTool Pro. Even then, I wouldn't count on being able to copy the entire contents of that drive. It likely has died or is dying. Obviously, spending the money on a recovery tool will only be of value if you have something on the backup that you MUST recover if at all possible.

  6. #6


    Member Since
    Mar 23, 2012
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    Since I'm not able to access any of the data on the external HD now, what do you all think about me reformatting it to see if Time Machine will recognize it?

  7. #7


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    If there is nothing on the drive you want, you can format it. But it might be recoverable and the drive may be ok. Without trying to recover the drive, you will never know. If you recover it, you can copy the files to a new drive if you desire. You don't know enough at this point to just give up and format the drive. If the drive is dead then it is dead. But until you know, don't go off half cocked.

  8. #8

    Lifeisabeach's Avatar
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    Quote Originally Posted by Wanda View Post
    Since I'm not able to access any of the data on the external HD now, what do you all think about me reformatting it to see if Time Machine will recognize it?
    Sure, you can try. But the point we've been trying to make is that the file system is corrupt likely because the drive is failing or has failed. Even if you successfully reformat the drive, you are still going to have an unreliable drive, and an unreliable backup is as good as no backup.

  9. #9


    Member Since
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    Quote Originally Posted by lifeisabeach View Post
    Sure, you can try. But the point we've been trying to make is that the file system is corrupt likely because the drive is failing or has failed. Even if you successfully reformat the drive, you are still going to have an unreliable drive, and an unreliable backup is as good as no backup.
    Point is taken. Will purchase new drive and go from there.

    Thanks, all, for helping me focus on reality!!!

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