fsck command is used for getting the details of files and directories in HDFS.
Main uses of fsck command in HDFS are as follows:
- delete: We use this option to delete files in HDFS.
- move: This option is for moving corrupt files to lost/found.
- locations: This option prints all the locations of a block in HDFS.
- racks: This option gives the network topology of data-node locations.
- blocks: This option gives the report of blocks in HDFS.