命令是
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hadoop fsck /g6/input/baidu.log -files -blocks -locations -racks[hadoop@hadoop002 ~]$ hadoop fsck /g6/input/baidu.log -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://hadoop001:50070
FSCK started by hadoop (auth:SIMPLE) from /192.168.1.202 for path /g6/input/baidu.log at Fri May 17 07:17:29 EDT 2019
/g6/input/baidu.log 709286098 bytes, 3 block(s): OK
0. BP-1964109503-192.168.1.201-1557058616667:blk_1073741939_1115 len=268435456 Live_repl=3 [/default-rack/192.168.1.203:50010, /default-rack/192.168.1.202:50010, /default-rack/192.168.1.201:50010]
1. BP-1964109503-192.168.1.201-1557058616667:blk_1073741940_1116 len=268435456 Live_repl=3 [/default-rack/192.168.1.202:50010, /default-rack/192.168.1.203:50010, /default-rack/192.168.1.201:50010]
2. BP-1964109503-192.168.1.201-1557058616667:blk_1073741941_1117 len=172415186 Live_repl=3 [/default-rack/192.168.1.202:50010, /default-rack/192.168.1.203:50010, /default-rack/192.168.1.201:50010]
Status: HEALTHY
Total size: 709286098 B
Total dirs: 0
Total files: 1
Total symlinks: 0
Total blocks (validated): 3 (avg. block size 236428699 B)
Minimally replicated blocks: 3 (100.0 %)
Over-replicated blocks: 3 (100.0 %)
Under-replicated blocks: 0 (0.0 %)
Mis-replicated blocks: 0 (0.0 %)
Default replication factor: 2
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 Fri May 17 07:17:29 EDT 2019 in 3 milliseconds
The filesystem under path '/g6/input/baidu.log' is HEALTHY下方这部分信息就是块的位置信息和副本信息
0. BP-1964109503-192.168.1.201-1557058616667:blk_1073741939_1115 len=268435456 Live_repl=3 [/default-rack/192.168.1.203:50010, /default-rack/192.168.1.202:50010, /default-rack/192.168.1.201:50010]
1. BP-1964109503-192.168.1.201-1557058616667:blk_1073741940_1116 len=268435456 Live_repl=3 [/default-rack/192.168.1.202:50010, /default-rack/192.168.1.203:50010, /default-rack/192.168.1.201:50010]
2. BP-1964109503-192.168.1.201-1557058616667:blk_1073741941_1117 len=172415186 Live_repl=3 [/default-rack/192.168.1.202:50010, /default-rack/192.168.1.203:50010, /default-rack/192.168.1.201:50010]
