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  • Mac Fanatic Level 1 Level 1 (115 points)

    This is the report from Diskwarrior after trying to rebuild.  Maybe this will help you:

     

     

    DiskWarrior has successfully built a new directory for the disk named "Macintosh HD." The new directory cannotreplace the original directory because of a disk malfunction.!
    !
    A disk malfunction is a failure of or damage to any mechanical component of the disk device, or any componentconnected to it. The malfunction will likely worsen. Therefore, recovering your files from the DiskWarrior Preview asquickly as possible is essential.!

    !
    It is highly recommended that you backup all of your data from the preview disk.!
    !
    Notes:!
    !
    The original directory is damaged and it was necessary to scavenge the directory to find file and folder data.!
    !
    Some files that had been lost or thrown away may have been recovered.!
    !
    Optimizing the Catalog Tree Directory File has increased available disk space.!
    !
    Comparison of the original and replacement directories could not be performed because the original directory wastoo severely damaged. It is recommended that you preview the replacement directory.!
    !
    • All errors in the directory structure such as tree depth, header node, map nodes, node size, node counts, nodelinks, indexes and more have been repaired.!
    !
    Disk: "Untitled"!
    Detected Media Errors in the critical Volume Information!
    Recreated this Missing Folder!
    Repaired the Total File Count of the Volume Information!
    Repaired the Total Folder Count of the Volume Information!
    Repaired the Available Disk Space of the Volume Information!
    Repaired the Text Encodings Bitmap of the Volume Information!
    Repaired the Attribute Bits of the critical Volume Information!
    Volume Information had to be scavenged from the file system journal!
    Location: "Desktop"!
    !
    Explanations:!
    !
    Media Errors: These can be evidence of bad blocks on the disk, a hardware defect, or problems with termination orcabling. Some data may be missing because it could not be read from disk.!
    !
    Missing Folder: References to these folders were found, but the actual folders were missing or damaged. Recreatingthese folders allows access to any files and folders within them.!
    !
    Volume Information: Every disk has information that describes its contents. Repairs prevent problems such as wasteddisk space and applications not functioning properly.!
    !
    Disk Information:!
    !
    Files: 0!
    Folders: 0!
    Free Space: 250.6 GB!
    Format: Mac OS Extended (Journaled)!
    Block Size: 4,096!
    Disk Sectors: 489,972,528!
    Media: JMicron USB to ATA/ATAPI Bridge!
    !

    Time: 1/5/12 11:18:40 PM!DiskWarrior Version: 4.4

     

  • japamac Level 7 Level 7 (24,390 points)

    The DW report confirms my suspicion that the issue is more than a simple data issue..... you have damaged sectors/sector errors that may or may not be repairable with an erase and zeroing of the drive.

    This, of course, is not what one wishes to do with non-backed data present.....

     

    The drive is NOT to be trusted and should be treated as terminal.

     

    Even IF you can complete an A&I, then there is still the issue of whether or not a prolonged copy process is possible or not.

     

    Copy what you can as soon as you can.

    It is highly recommended that you backup all of your data from the preview disk.!

    Very sound advice.

    Don't delay.

  • BDAqua Level 10 Level 10 (120,010 points)

    Yes, use the Preview to copy as much as possible to another drive.

  • Mac Fanatic Level 1 Level 1 (115 points)

    I tried but there was nothing in the Preview.  0 files  :-(

     

    Has anyone used http://www.grc.com/spinrite.htm ?

  • BDAqua Level 10 Level 10 (120,010 points)

    Yikes, just noticed the 0 files & 0 folders !

     

    I've not tried it, but it sounds worth a try.

  • Mac Fanatic Level 1 Level 1 (115 points)

    I hope that means 0 files in the Preview.

  • BDAqua Level 10 Level 10 (120,010 points)

    Well, it looks like DW got it's information from the Journal on the Disk, and it found no files or folders.

     

    I think your only hope is either trying DW Scavenge again, or using PC Software or HW to try a Sector by sector copy of that whole drive, then attempting rebuilding the copied drive or Data Rescue on the copy... looking dim though, sorry.

  • Mac Fanatic Level 1 Level 1 (115 points)

    I'm going to try Spinright next to try a Sector by sector fix.

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