Backed up bad drive to DMG, files all there. Later, GONE!

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This topic contains 5 replies, has 2 voices, and was last updated by  mynameisJR 5 years, 8 months ago.

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  • November 4, 2013 at 3:54 pm #4487

    pabzlito
    Participant

    So I have a bad drive. I used disk drill to create a DMG of it. It took 10 days. On completion I immediately opened the DMG, ALL files present and accessible from mounted image! YAY! Closed down DD, shut down computer. Slept well. Came back, DMG mounted with error, all files (except a few folders) had disappeared from DMG. How is this possible? Scratch that, I don’t care why it happened unless it helps me get the DMG to mount properly with the original filesystem! What can I do?

    November 4, 2013 at 4:52 pm #5141

    mynameisJR
    Participant

    Where did you save the DMG file?

    November 5, 2013 at 5:23 am #5142

    pabzlito
    Participant

    Desktop, internal hard drive… would it help if it was elsewhere?

    November 5, 2013 at 5:45 am #5143

    pabzlito
    Participant

    The ‘bad drive’ was from another computer, so on an ‘external’ drive.
    So, DMG was made of an external drive and then saved onto internal drive.

    November 5, 2013 at 3:02 pm #5144

    mynameisJR
    Participant

    Let me speak to my team about this, I’ll update you soon.

    November 7, 2013 at 8:03 pm #5145

    mynameisJR
    Participant

    OK, just got some updates. Seems that the working file can only become corrupted due to hardware issues. Probably some part of the file resides on corrupted sectors.

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