On Mon, Jun 1, 2009 at 12:35 AM, HRoger <hanxianyongro...@163.com> wrote: > > You should do thart in the right way as the follow steps: > 1.create a new file named as excludes under $HADOOP_HOME with the datanode > hostname(IP) in it by one name every line. > 2.edit the hadoop-site.xml by adding > <property> > <name>dfs.hosts.exclude</name> > <value>excludes</ value> > </property> > and save it. > 3.execute the command "bin/hadoop dfsadmin -refreshNodes" in the namenode > host. > 4.when the step 3 finished,you can run "bin/hadoop dfsadmin -report and > check the result. >
I executed above steps all in Namenode and I got following message (without restart hadoop): ----------------- dump of screeen ----------------------- $ bin/hadoop dfsadmin -refreshNodes [had...@hdt0 hadoop-0.19.1]$ bin/hadoop dfsadmin -report Safe mode is ON Configured Capacity: 152863682560 (142.37 GB) Present Capacity: 84421242880 (78.62 GB) DFS Remaining: 84370862080 (78.58 GB) DFS Used: 50380800 (48.05 MB) DFS Used%: 0.06% ------------------------------------------------- Datanodes available: 1 (3 total, 2 dead) Name: 10.61.0.5:50010 Decommission Status : Decommission in progress Configured Capacity: 152863682560 (142.37 GB) DFS Used: 50380800 (48.05 MB) Non DFS Used: 68442439680 (63.74 GB) DFS Remaining: 84370862080(78.58 GB) DFS Used%: 0.03% DFS Remaining%: 55.19% Last contact: Mon Jun 01 17:32:59 CST 2009 Name: 10.61.0.7 Decommission Status : Normal Configured Capacity: 0 (0 KB) DFS Used: 0 (0 KB) Non DFS Used: 0 (0 KB) DFS Remaining: 0(0 KB) DFS Used%: 100% DFS Remaining%: 0% Last contact: Thu Jan 01 08:00:00 CST 1970 Name: 10.61.0.143 Decommission Status : Normal Configured Capacity: 0 (0 KB) DFS Used: 0 (0 KB) Non DFS Used: 0 (0 KB) DFS Remaining: 0(0 KB) DFS Used%: 100% DFS Remaining%: 0% Last contact: Thu Jan 01 08:00:00 CST 1970 ----------------------------------------------------------------- two nodes has been dead... hmm... what happen? and any help? Thanks again, Ian
