Oracle Linux: Using tune2fs Prompts Error "tune2fs: Bad magic number in super-block while trying to open /dev/mapper/<DISK>. Couldn't find valid filesystem superblock." (Doc ID 2647334.1)

Last updated on OCTOBER 17, 2022

Applies to:

Linux OS - Version Oracle Linux 6.10 to Oracle Linux 7.0 [Release OL6U10 to OL7]
Linux x86-64

This document show why tune2fs -l /dev/mapper/VGExaDb-LVDbOra1 command has an error:

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