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Move Role to another host

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Re: Move Role to another host

New Contributor

Hi @Fawze,


Great, It's Work for me. So update my Default replication factor : 1. This is temporary because i need to upgrade my server memory.

Missing replicas looks normal and HDFS status is good Health


 Total size:    530731534 B
 Total dirs:    2846
 Total files:    662
 Total symlinks:        0
 Total blocks (validated):    658 (avg. block size 806582 B)
 Minimally replicated blocks:    658 (100.0 %)
 Over-replicated blocks:    0 (0.0 %)
 Under-replicated blocks:    0 (0.0 %)
 Mis-replicated blocks:        0 (0.0 %)
 Default replication factor:    1
 Average block replication:    1.0
 Corrupt blocks:        0
 Missing replicas:        0 (0.0 %)
 Number of data-nodes:        1
 Number of racks:        1
FSCK ended at Tue Apr 18 14:57:18 UTC 2017 in 573 milliseconds

The filesystem under path '/' is HEALTHY



Thanks Fawze.

Re: Move Role to another host



You said that any role can be moved. How is that done for ones like "HDFS Balancer" or JobHistory servers? These roles can't be added/moved via CM that I can see.