hadoop fsck /usr/input/a.txt -files -blocks -locations -racks
[root@node1 sbin]# hadoop fsck /usr/input/a.txt -files -blocks -locations -racks
DEPRECATED: Use of this script to execute hdfs command is deprecated.
Instead use the hdfs command for it.
Connecting to namenode via http://node1:50070
FSCK started by root (auth:SIMPLE) from /192.168.88.128 for path /usr/input/a.txt at Mon Oct 03 05:14:10 CST 2016
/usr/input/a.txt 10 bytes, 1 block(s): OK
0. BP-703567924-192.168.88.128-1455139267725:blk_1073742302_1478 len=10 repl=3 [/default-rack/192.168.88.130:50010, /default-rack/192.168.88.129:50010, /default-rack/192.168.88.131:50010]
Status: HEALTHY
Total size: 10 B
Total dirs: 0
Total files: 1
Total symlinks: 0
Total blocks (validated): 1 (avg. block size 10 B)
Minimally replicated blocks: 1 (100.0 %)
Over-replicated blocks: 0 (0.0 %)
Under-replicated blocks: 0 (0.0 %)
Mis-replicated blocks: 0 (0.0 %)
Default replication factor: 3
Average block replication: 3.0
Corrupt blocks: 0
Missing replicas: 0 (0.0 %)
Number of data-nodes: 3
Number of racks: 1
FSCK ended at Mon Oct 03 05:14:10 CST 2016 in 17 milliseconds
The filesystem under path '/usr/input/a.txt' is HEALTHY转自：https://blog.csdn.net/u011317245/article/details/53386067