verifyMeta
Verifies the HDFS metadata and block files. If a block file is specified, verifies that the checksums in the metadata file match the block file.
The usage is as follows:
$ hdfs debug verifyMeta -meta <metadata-file> [-block <block-file>]
-block block-file |
An optional parameter to specify the absolute path for the block file on the local file system of the DataNode |
-meta metadata-file |
An absolute path for the metadata file on the local file system of the DataNode |