Kernel panic -> broken drive

Discussion in 'Mac Basics and Help' started by mmmdreg, May 9, 2005.

  1. mmmdreg macrumors 65816

    mmmdreg

    Joined:
    Apr 14, 2002
    Location:
    Sydney, Australia
    #1
    My eMac had a kernel panic while transferring data from another computer to a RAID'ed 2x250GB Formac external hard drive. After the restart, it would not mount anymore. Do you think it can be fixed? If so, how? Thanks in advance.

    Code:
    eMac:~ george$ fsck_hfs -rfd /dev/disk3
    ** /dev/rdisk3
    ** Checking HFS Plus volume.
       Catalog file entry not found for extent
    (4, 0)
    ** Volume check failed.
    volume check failed with error 7 
            volume type is pure HFS+ 
            primary MDB is at block 0 0x00 
            alternate MDB is at block 0 0x00 
            primary VHB is at block 2 0x02 
            alternate VHB is at block 976792062 0x3a38a9fe 
            sector size = 512 0x200 
            VolumeObject flags = 0x07 
            total sectors for volume = 976792064 0x3a38aa00 
            total sectors for embedded volume = 0 0x00 
     
  2. Eniregnat macrumors 68000

    Eniregnat

    Joined:
    Jan 22, 2003
    Location:
    In your head.
    #2
    I can only help you if your iMac ran, or runs OSX.

    Method One: Target Disk Mode
    If you can find somebody with an iBook or PB, you might be able to transfer the drive contents of the broken computer by doing this:
    Method 2: Try booting from the restore CD, over instal OSX (don't format the disk). If the drive can be mounted, then copy over the remaining information.

    Method 3: Take your Mac to a repair shop.

    Method 4: Find a firewire box, pull the drive from your iMac (this is if the data is mission critical, but your low on cash.) See if it can be mounted by another mac.
     
  3. Eniregnat macrumors 68000

    Eniregnat

    Joined:
    Jan 22, 2003
    Location:
    In your head.
    #3
    Sorry, I didn't see that it couldn't be mounted.

    Let the drive cool, and try again. Perhaps a Mac repair place will be able to help you. Our local shop charges 65 to see if it can be fixed, then 90 an hour for labor.
     
  4. Eniregnat macrumors 68000

    Eniregnat

    Joined:
    Jan 22, 2003
    Location:
    In your head.
    #4
    Perhaps Norton or DiskDoctor can recover the lost catalog track.
    Another possibility, (beyond me) if you were doing a complete drive dump, you might have already copied the catalog information. Perhaps you can resore it.

    A link to changeing the firmware boot information.
    Perhaps it will help.

    This is a osX users thread. The link provides a connection to another thread. [EDIT] This is you. Ignore. Wow- your Googled.

    And I guess that you were running only OS9, as it is marked as a pure HFS+.
     
  5. mmmdreg thread starter macrumors 65816

    mmmdreg

    Joined:
    Apr 14, 2002
    Location:
    Sydney, Australia
    #5
    haha yes the other thread was me too =) I guess these external hard drives are a bit iffy. It sounds to me like you're talking about the internal hard drive though.. And yes, the solution in the other thread didn't work either. Different problem I guess. Thanks for your help though!
     
  6. mmmdreg thread starter macrumors 65816

    mmmdreg

    Joined:
    Apr 14, 2002
    Location:
    Sydney, Australia
    #6
    fsck and fsck_hfs both don't work. Techtool doesn't work on unmounted disks. I'm assuming norton and diskwarrior don't either? I think both individual 250gig harddrives are fine. Just using them together, it has lost some data and is therefore screwed.
     

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