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liugen@ubuntu:~$ hdfs fsck /
Connecting to namenode via http://localhost:9870/fsck?ugi=liugen&path=%2F FSCK started by liugen (auth:SIMPLE) from /127.0.0.1 for path / at Wed Oct 24 20:39:11 PDT 2018Status: HEALTHY //集群状态健康
Number of data-nodes: 1 //集群有多少数据节点 Number of racks: 1 //集群有多少机架 Total dirs: 7 //集群有多少个目录 Total symlinks: 0 //集群有多少链接Replicated Blocks:
Total size: 54396813 B //集群总共文件大小 Total files: 3 //集群有多少个文件 Total blocks (validated): 2 (avg. block size 27198406 B) //多少个数据块 通过验证的有2块 平均块大小是27xxx Minimally replicated blocks: 2 (100.0 %) //最少复制的块数 Over-replicated blocks: 0 (0.0 %) //超过预计复制数目的块有几个(比如说 多备份了1个副本) Under-replicated blocks: 0 (0.0 %) // 少于预计复制数目的块有几个(比如说 3副本少备份了1个副本) Mis-replicated blocks: 0 (0.0 %) //没备份的块有几个 Default replication factor: 1 //备份因子为1 每个数据块给1个备份 Average block replication: 1.0 //平均备份数目,1个备份 Missing blocks: 0 Corrupt blocks: 0 Missing replicas: 0 (0.0 %)Erasure Coded Block Groups:
Total size: 0 B Total files: 0 Total block groups (validated): 0 Minimally erasure-coded block groups: 0 Over-erasure-coded block groups: 0 Under-erasure-coded block groups: 0 Unsatisfactory placement block groups: 0 Average block group size: 0.0 Missing block groups: 0 Corrupt block groups: 0 Missing internal blocks: 0 FSCK ended at Wed Oct 24 20:39:11 PDT 2018 in 20 milliseconds The filesystem under path '/' is HEALTHY转载地址:http://nwvws.baihongyu.com/