Re: Removing Dead Nodes from Cluster

2013-08-21 Thread Ravi Mutyala
Check on name node ui for missing blocks. You will lose all the blocks that have replicas only on the lost data nodes. On Aug 19, 2013 4:30 AM, "Manickam P" wrote: > Hello, > > I have a hadoop cluster setup with 1 master node and 6 data nodes. I have > set the replication factor as 2 in hadoop. C

Re: Removing Dead Nodes from Cluster

2013-08-19 Thread Bing Jiang
Firstly, edit hdfs-site.xml; hdfs-site.xml: dfs.hosts.exclude /path/to/exclude_dn_list Then, hdfs dfsadmin -refreshNodes 2013/8/19 Manickam P > Hello, > > I have a hadoop cluster setup with 1 master node and 6 data nodes. I have > set the replication factor as 2 in hadoop. Curren

Removing Dead Nodes from Cluster

2013-08-19 Thread Manickam P
Hello, I have a hadoop cluster setup with 1 master node and 6 data nodes. I have set the replication factor as 2 in hadoop. Currently due to some hardware issue i have lost 2 data nodes.If i remove the dead nodes from the cluster can i get all the data from rest of the nodes since i have the re