[[email protected] softpackage]# hadoop fs -put scala-2.10.4.tgz / [[email protected] softpackage]# hadoop fsck /scala-2.10.4.tgz  -files -locations -blocks DEPRECATED: Use of this script to execute hdfs command is deprecated. Instead use the hdfs command for it. Connecting to namenode via http://master:50070/fsck?ugi=root&files=1&locations=1&blocks=1&path=%2Fscala-2.10.4.tgz FSCK started by root (auth:SIMPLE) from /192.168.86.133 for path /scala-2.10.4.tgz at Fri Jun 09 11:14:14 EDT 2017 /scala-2.10.4.tgz 29937534 bytes, 1 block(s):  Under replicated BP-1810807976-192.168.86.133-1496888566245:blk_1073741829_1005. Target Replicas is 3 but found 2 replica(s). 0. BP-1810807976-192.168.86.133-1496888566245:blk_1073741829_1005 len=29937534 repl=2 [DatanodeInfoWithStorage[192.168.86.132:50010,DS-ead6ac48-ce41-4133-9552-ec5ca51a6204,DISK], DatanodeInfoWithStorage[192.168.86.134:50010,DS-5059d0f7-4e64-4554-aa92-375a1fe573b8,DISK]] Status: HEALTHY  Total size:29937534 B  Total dirs:0  Total files:1  Total symlinks:0  Total blocks (validated):1 (avg. block size 29937534 B)  Minimally replicated blocks:1 (100.0 %)  Over-replicated blocks:0 (0.0 %)  Under-replicated blocks:1 (100.0 %)  Mis-replicated blocks:0 (0.0 %)  Default replication factor:3  Average block replication:2.0  Corrupt blocks:0  Missing replicas:1 (33.333332 %)  Number of data-nodes:2  Number of racks:1 FSCK ended at Fri Jun 09 11:14:14 EDT 2017 in 2 milliseconds The filesystem under path '/scala-2.10.4.tgz' is HEALTHY