[edit]
$ curl cheat.sh/ 
# xfs_repair
# repair an XFS filesystem

# repair a XFS filesystem
xfs_repair /dev/dm-0

# last resort option:
# -L: Force Log Zeroing. zero the log even if it is dirty (contains metadata
# changes). When using this option the filesystem will likely appear to be
# corrupt, and can cause the loss of user files and/or data.
xfs_repair -v -L /dev/dm-0

$
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