HDFS:fsck "-blockId" has no option to display number of replicas for under replicated blocks

HDFS fsck "-blockId" has no option to display number of replicas for under replicated blocks

• hdfs fsck "-blockId" has option to display number of excess replica for over replicated blocks,
•  hdfs fsck "-blockId" has option to display number of excess replica for over replicated blocks,    but don't have any option to display number of replica for under replicated blocks.  
•  In usage info it is specified as   
•  -blockId        print out which file this blockId belongs to, locations (nodes, racks) of this block, and other diagnostics info (under replicated, corrupted or not, etc)