Your config should be something like this: ><property> > <name>dfs.hosts.exclude</name> > <value>/opt/hadoop/hadoop-1.0.0/conf/exclude</value> ></property>
><property> > <name>dfs.hosts.include</name> > <value>/opt/hadoop/hadoop-1.0.0/conf/include</value> ></property> > >Add to exclude file: > >host1 >host2 > Add to include file >host1 >host2 Plus the rest of the nodes On 6/8/12 12:15 PM, "Chris Grier" <gr...@imchris.org> wrote: >Do you mean the file specified by the 'dfs.hosts' parameter? That is not >currently set in my configuration (the hosts are only specified in the >slaves file). > >-Chris > >On Fri, Jun 8, 2012 at 11:56 AM, Serge Blazhiyevskyy < >serge.blazhiyevs...@nice.com> wrote: > >> Your nodes need to be in include and exclude file in the same time >> >> >> Do you use both files? >> >> On 6/8/12 11:46 AM, "Chris Grier" <gr...@imchris.org> wrote: >> >> >Hello, >> > >> >I'm in the trying to figure out how to decommission data nodes. Here's >> >what >> >I do: >> > >> >In hdfs-site.xml I have: >> > >> ><property> >> > <name>dfs.hosts.exclude</name> >> > <value>/opt/hadoop/hadoop-1.0.0/conf/exclude</value> >> ></property> >> > >> >Add to exclude file: >> > >> >host1 >> >host2 >> > >> >Then I run 'hadoop dfsadmin -refreshNodes'. On the web interface the >>two >> >nodes now appear in both the 'Live Nodes' and 'Dead Nodes' (but there's >> >nothing in the Decommissioning Nodes list). If I look at the datanode >>logs >> >running on host1 or host2, I still see blocks being copied in and it >>does >> >not appear that any additional replication was happening. >> > >> >What am I missing during the decommission process? >> > >> >-Chris >> >>
