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This computer had a power failure which caused the mdadm raid 5 to be degraded. I succesfully restored the raid and now the computer will boot up into the login ...
  1. 06-08-2010 #1
    zeroalpha
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    Can't login!! please help

    This computer had a power failure which caused the mdadm raid 5 to be degraded. I succesfully restored the raid and now the computer will boot up into the login screen. However it doesn't recognise any of the accounts including root.

    If i type login: root, the screen just flashes back to login:

    I have tried lilo single-user mode but it asks for a root password which is not accepted.

    I check the boot output and it says i should run e2fsck. How can I boot into terminal so I can run e2fsck?
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  2. 06-08-2010 #2
    MikeTbob
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    Hello and Welcome.
    The best way to launch disk checking software is to use a LiveCD or LiveUSB to start the machine, open a terminal and launch your attack from there. That way, none of the filesystems are mounted, which is a good thing.
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  3. 06-08-2010 #3
    zeroalpha
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    Quote Originally Posted by MikeTbob View Post
    Hello and Welcome.
    The best way to launch disk checking software is to use a LiveCD or LiveUSB to start the machine, open a terminal and launch your attack from there. That way, none of the filesystems are mounted, which is a good thing.
    Is this possible with a mdadm raid5? I already tried this with ubuntu 9 live cd and I can mount the boot partition but none of the others.

    When the raid was degraded it would boot into terminal but now that the raid is healty it boots into login only. I need terminal.
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  4. 06-08-2010 #4
    MikeTbob
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    Can you use Ctrl+Alt+F2 through F7? Should bring up a terminal login.
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  5. 06-08-2010 #5
    zeroalpha
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    Quote Originally Posted by MikeTbob View Post
    Can you use Ctrl+Alt+F2 through F7? Should bring up a terminal login.
    Thanks miketbob,

    Yeah I have already tried that trick with no luck. Can I add an option to LILO?
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  6. 06-08-2010 #6
    rokytnji
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    Take a look maybe?

    Basic Linux Operations FAQ
    Linux Registered User # 475019
    Lead,Follow, or get the heck out of the way
    AntiX,Puppy,Ubuntu,Windows 7=(cuz of scooters)
    Open CourseWare for Linux Geeks
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  7. 06-08-2010 #7
    zeroalpha
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    Thanks.

    I have already tried all of this too. I have uploaded a picture:

    img695.imageshack.us/img695/1816/imag0022a.jpg
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  8. 06-08-2010 #8
    zeroalpha
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    ok what im going to do is physically move this raid volume to my ubuntu machine and see if I can install it and manually repair it from there.

    fkn raid sucks when it goes down
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  9. 06-08-2010 #9
    zeroalpha
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    Ok this procedure worked. Somebody here please call me a linux genius

    At least I have the data. I will destripe this array now which is the next task, any suggestions?
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