Partition table of my linux drive was corrupted recently. I could not start up my Ubuntu.
I burned a Ubuntu CD. But when I tried to boot into the liveCD, it always gave me errors. It seems to be a CD burning/CD drive problem. Then I made a live USB drive which worked great. Following two tools can be used to "guess" the partition table.
- gpart
This program is kind of old and is not maintained any longer. It can just recognizes some file systems (ext3, ext4, etc are not recognized correctly) - testdisk
This is a great tool which a text UI. You can find information here. You just follow the instructions. Check the "guessed" partition table match your real partition table(if you have backup, you are lucky.).
Run fsck to check integrity of your file system.
Afterthoughts:
- Back up your partition table!
- USB drive is more stable than CD in this case.
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