| 87 | |
| 88 | == 修改副本個數 == |
| 89 | |
| 90 | {{{ |
| 91 | user0@hdp:~$ hadoop fs -setrep 2 /user/user0/test.img |
| 92 | Replication 2 set: hdfs://hdp:9000/user/user0/test.img |
| 93 | user0@hdp:~$ hadoop fsck /user/user0/test.img -files -blocks -locations |
| 94 | FSCK started by user0 from /10.240.1.123 for path /user/user0/test.img at Sun |
| 95 | Mar 23 02:45:11 UTC 2014 |
| 96 | /user/user0/test.img 104857600 bytes, 2 block(s): OK |
| 97 | 0. blk_-4422576463029178583_1044 len=67108864 repl=2 [10.240.1.123:50010, 10.2 |
| 98 | 40.174.73:50010] |
| 99 | 1. blk_7793285600029540175_1044 len=37748736 repl=2 [10.240.1.123:50010, 10.24 |
| 100 | 0.116.151:50010] |
| 101 | |
| 102 | Status: HEALTHY |
| 103 | Total size: 104857600 B |
| 104 | Total dirs: 0 |
| 105 | Total files: 1 |
| 106 | Total blocks (validated): 2 (avg. block size 52428800 B) |
| 107 | Minimally replicated blocks: 2 (100.0 %) |
| 108 | Over-replicated blocks: 0 (0.0 %) |
| 109 | Under-replicated blocks: 0 (0.0 %) |
| 110 | Mis-replicated blocks: 0 (0.0 %) |
| 111 | Default replication factor: 1 |
| 112 | Average block replication: 2.0 |
| 113 | Corrupt blocks: 0 |
| 114 | Missing replicas: 0 (0.0 %) |
| 115 | Number of data-nodes: 9 |
| 116 | Number of racks: 1 |
| 117 | FSCK ended at Sun Mar 23 02:45:11 UTC 2014 in 0 milliseconds |
| 118 | |
| 119 | |
| 120 | The filesystem under path '/user/user0/test.img' is HEALTHY |
| 121 | }}} |