Hi I have 3 nodes Hadoop cluster in which I created 3 Data Nodes. However, I don't have enough space in one of the node to cater other projects' log. So I decommissioned this node from a Data node list but I could not re-claimed the space from it. Is there a way to get this node to release space?
[root@nsda3dmsrpt02] /data/dfs/dn# du -sh /data/dfs/dn/* 47G /data/dfs/dn/current $ sudo -u hdfs hadoop fsck /data DEPRECATED: Use of this script to execute hdfs command is deprecated. Instead use the hdfs command for it. Status: HEALTHY Total size: 7186453688 B Total dirs: 11 Total files: 62 Total symlinks: 0 Total blocks (validated): 105 (avg. block size 68442416 B) Minimally replicated blocks: 105 (100.0 %) Over-replicated blocks: 0 (0.0 %) Under-replicated blocks: 105 (100.0 %) Mis-replicated blocks: 0 (0.0 %) Default replication factor: 3 Average block replication: 2.0 Corrupt blocks: 0 Missing replicas: 105 (33.333332 %) Number of data-nodes: 2 Number of racks: 1 FSCK ended at Thu Mar 20 13:30:03 EST 2014 in 22 milliseconds The filesystem under path '/data' is HEALTHY Thanks and Regards, Truong Phan Senior Technology Specialist Database Engineering Transport & Routing Engineering | Networks | Telstra Operations [cid:image001.gif@01CF442C.0F3C8CF0] P + 61 2 8576 5771 M + 61 4 1463 7424 E troung.p...@team.telstra.com W www.telstra.com Love the movies? Telstra takes you there with $10 movie tickets, just to say thanks. Available now at telstra.com/movies<http://www.telstra.com/movies> This communication may contain confidential or copyright information of Telstra Corporation Limited (ABN 33 051 775 556). If you are not an intended recipient, you must not keep, forward, copy, use, save or rely on this communication, and any such action is unauthorised and prohibited. If you have received this communication in error, please reply to this email to notify the sender of its incorrect delivery, and then delete both it and your reply.
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