Thanks~ but I still do not know how to deal with the issue.
I can find the dead of datanode daemon, however I can not restart it because the log file also shows there are something wrong in RPC (right?) On Mon, Jun 1, 2009 at 6:20 PM, HRoger <hanxianyongro...@163.com> wrote: > > Hi!,all the steps should be done in the namenode. > you can execute the "-report" twice one before the "-refreshNodes" and one > later then compare the result! > > jonhson.ian wrote: >> >> 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 >> >> > > -- > View this message in context: > http://www.nabble.com/DataNode-not-started-up-and-%22org.apache.hadoop.ipc.RemoteException%22--is-thrown-out-tp23791017p23812616.html > Sent from the Hadoop core-user mailing list archive at Nabble.com. > >
