I have no idea, but there are many "use hostname instead of IP" issues. Try once hostname instead of IP.
2009/3/26 mingyang <bjmingy...@gmail.com>: > check you iptable is off > > 2009/3/26 snehal nagmote <nagmote.sne...@gmail.com> > >> hello, >> We configured hadoop successfully, but after some days its configuration >> file from datanode( hadoop-site.xml) went off , and datanode was not coming >> up ,so we again did the same configuration, its showing one datanode and >> its >> name as localhost rather than expected as either name of respected datanode >> m/c or ip address of actual datanode in ui interfece of hadoop. >> >> But capacity as 80.0gb ,(we have one namenode (40 gb) and datanode(40 >> gb))means capacity is updated ,we can browse the filesystem , it is showing >> whatever directories we are creating in namenode . >> >> but when we try to access the same through the datanode machine >> means doing ssh and executing series of commands its not able to connect to >> the server. >> saying retrying connect to the server >> >> 09/03/26 11:25:11 INFO ipc.Client: Retrying connect to server: / >> 172.16.6.102:21011. Already tried 0 time(s). >> >> 09/03/26 11:25:11 INFO ipc.Client: Retrying connect to server: / >> 172.16.6.102:21011. Already tried 1 time(s) >> >> >> moreover we added one datanode into it and formatted namenode ,but that >> datanode is not getting added. we are not understanding whats the problem. >> >> Can configuration files in case of datanode automatcally lost after some >> days?? >> >> I have again one doubt , according to my understanding namenode doesnt >> store >> any data , it stores metadata of all the data , so when i execute mkdir in >> namenode machine and copying some files into it, it means that data is >> getting stored in datanode provided to it, please correct me if i am wrong >> , >> i am very new to hadoop. >> So if i am able to view the data through inteface means its properly >> storing >> data into respected datanode, So >> why its showing localhost as datanode name rather than respected datanode >> name. >> >> can you please help. >> >> >> Regards, >> Snehal Nagmote >> IIIT hyderabad >> > > > > -- > 致 > 礼! > > > 王明阳 > -- M. Raşit ÖZDAŞ