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xyz
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Joined: 29 Oct 2003
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PostPosted: Wed Dec 06, 2006 10:42 pm    Post subject: /dev/sda is missing? Reply with quote

I had my system screwed up. By switching off incidantly my computer, I could not boot up the system any more(using udev-103):

fsck.ext3: No such file or directory while trying to open /dev/sda8
The superblock could not be read or does not describe a correct ext2 filesystem. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock:
e2fsck -b 8193 <device>
Filesystem couldn't be fixed : (

I logged on by root password, and found all devices like /dev/sda* were somehow lost! How can I do something about it? Could someone kindly help me out?
Thank you in advance.
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Dlareh
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PostPosted: Wed Dec 06, 2006 10:55 pm    Post subject: Reply with quote

Code:
fdisk -l
?
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xyz
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PostPosted: Wed Dec 06, 2006 10:59 pm    Post subject: Reply with quote

fdisk -l will list all partitions except the root /dev/sda8.
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xyz
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PostPosted: Wed Dec 06, 2006 11:02 pm    Post subject: Reply with quote

Sorry for the inconvenience. fdisk -l will list NOTHING!
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JoseJX
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PostPosted: Thu Dec 07, 2006 12:12 am    Post subject: Reply with quote

Probably because you are using Apple partitions, in which case you can use mac-fdisk. What kind of machine is this? Did you make sure to use etc-update to update your config files? What about booting an InstallCD to fix it instead? Are you sure you didn't change anything else, like the kernel?
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xyz
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PostPosted: Thu Dec 07, 2006 12:35 am    Post subject: Reply with quote

Thank you.
I am using apple powermac G5. Yes, it may have something to do with apple partitions. I entered OSX and wanted to try installcd, because I could not open the CD drive(what stupid!), and rebooted to fire up installcd. But I was too late to press 'C' and it booted the default gentoo linux instead. Surprisingly it booted successfully! Actually I did nothing except entering Mac OSX: could that be the reason that partitions were somehow recovered? How to protect myself from those problems?
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