e2fsck fails with Journal superblock has an unknown incompatible feature flag set
Issue
- e2fsck fails to check an ext4 file system even after removing the 64bit file system feature.
# e2fsck /<device-name>
e2fsck 1.41.12 (17-May-2010)
Journal superblock has an unknown incompatible feature flag set.
Abort<y>?
Environment
- Red Hat Enterprise Linux 6
- e2fsck
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