Is it possible to change superblocks, and if so, how is that done?

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Please note: This must be done from rescue mode. Preforming this procedure on a live filesystem may cause corruption!

In addition, changing the superblock on a bad filesystem only occasionally works. Please keep good, up to date backups of all important data.

When a filesystem is created, it is created with a primary superblock and a number of 'backup' superblocks. In cases or co...

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