How Do I Fix Superblock in Linux?
Contents

How do I know if my superblock is bad?

Bad superblock

  1. Check which superblock is being used by running: fsck –v /dev/sda1.
  2. Check which superblocks are available by running: mke2fs -n /dev/sda1.
  3. Select a new superblock and execute the following command: fsck -b <block_number> /dev/sda1.
  4. Reboot the server.

What causes bad superblock?

The only reason why “superblocks” might be seen as “going bad,” is that they’re (of course) the blocks most-frequently written. Therefore, if the drive is going fishy, this is the block that you are most likely to realize has been corrupted …

Alexander Ross

Alexander Ross

Gaming, Esports & Interactive Media Writer

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.

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