i'm trying to resurrect a failed hard disk and/or filesystem, it seems i'm missing the partition table (ooooh i didn't know that can be done!), question is would i find any backup copies around on the hard disk (something like the redundant superblocks scattered around)?
here's what happened in details:
i have an application running on an aging test pc with a constant load of ~18, it was fun watching the system barely handle the load. it's a dual boot machine with windows xp and fc4.
after two months the hard disk finally gave in and the terminal kept spouting i/o sync errors. i forced sync and remount in read only mode then an immediate reboot (Magic Sysrq + s/u/b).
grub took a while to go past stage2, kernel and initrd were loaded fine then after a while i got a "unable to read /dev/hda" then it just hangs there!
i booted knoppix, it had difficulties in scanning the hard disk partitions, i tried fdisk -i i got nothing. i tried fdisk /dev/hda i got "unable to open device". sfdisk -l /dev/hda reports geometry errors and no partitions!
my guess is that somehow the filesystem got corrupt followed by the partition table, most probably a hardware failure.
as i said it's a test machine so i wouldn't lose much if i couldn't restore. i just like a good challenge, and the whole thing has me stumped!
any ideas could be useful to exorcise this drive, thanx :-)
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