Why fsck fails with "unable to set superblock flags"?

Solution Verified - Updated -

Issue

  • Filesystem is unmountable, and fsck fails with the error "unable to set superblock flags"

# e2fsck -y /dev/xyz-vg/xyz-lv e2fsck 1.39 (29-May-2006) /dev/xyz-vg/xyz-lv: recovering journal e2fsck: unable to set superblock flags on /dev/xyz-vg/xyz-lv

Environment

  • Red Hat Enterprise Linux
  • ext3/4 filesystem

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