hdfs[Command] fsck

Usage:dfsck <path> [-list-corruptfileblocks | [-move |-delete |-openforwrite] [-files [-blocks [-locations |-racks]]
<path> start checking from the This path
-move Move corrupted files To/lost+found
-delete Delete corrupted files
-files print out files being checked
-openforwrite print out files opened for write
-includesnapshots include snapshot data if the given path indicates a snapshottable directory or there is snapshottable D Irectories under it
-list-corruptfileblocks print out list of missing blocks and files they belong to
-blocks Print out block report
-locations Print out locations for every block
-racks Print out network topology for Data-node locations

Please note:
1. By default fsck ignores files opened for write, use-openforwrite to report such files. They is usually tagged corrupt or HEALTHY depending on their block allocation status
2. Option-includesnapshots should not being used for comparing stats, should is used only for health check, as this May cont Ain duplicates if the same file present in both original FS tree and inside snapshots.

hdfs[Command] fsck