Hi, Thanks for the useful link and I will take a look. Thanks Arthur
P.S. my name is Arthur Chan so I used ac in rely if I were using mobile device. On 25 Nov 2012, at 11:51 AM, Stack wrote: > On Sat, Nov 24, 2012 at 10:31 AM, [email protected] <[email protected]> wrote: >> I am also using Ubuntu 12.04, Zookeeper 3.4.4 HBase 0.94.2 and Hadoop 1.0.4. >> (64-bit nodes), I finally managed to have the HBase cluster up and running, >> below is the line in my /etc/hosts for your reference: >> >> #127.0.0.1 localhost >> 127.0.0.1 localhost.localdomain localhost >> >> According to my set up experience, below are my advices: >> 1) /etc/hosts: should not comment out 127.0.01 in /etc/hosts >> 2) Zookeeper: do not sync its "data" and "datalog" folders to other >> Zookeeper servers in your deployment >> 3) check your start procedures: >> - check your firewall policies, make sure each server can use the >> required TCP/IP ports, especially port 2181 in your case >> - start Zookeeper first, need to make sure all other servers can >> access Zookeeper servers, use "/bin/zkCli.sh -server XXXX" or "echo ruok | >> nc XXXX 2181" to test all Zookeepers from each HBASE server. >> - start Hadoop, use JPS to make sure Namenode, SecondaryNameNode, >> Datanodes up and running, check LOG files of each servers >> - start MapReduce if you need it >> - start HBase, use JPS to check HBase's HMaster and HRegionServers, >> then wait a while use JPS to check HMaster and HRegionServers again, if them >> all HBASE servers gone but HADOOP still up and running, most likely it >> would be HBASE configure issue in hbase-site.xml related to ZooKeeper >> settings or ZooKeeper configure/data issues. >> >> >> Hope these help and good luck. >> ac >> > > Thanks ac for the clean instructions. We have an ubuntu callout here > on localhost in /etc/hosts: > http://hbase.apache.org/book.html#basic.prerequisites What else would > you suggest we add to the reference guide? > > Thanks, > St.Ack > P.S. I used to have a friend named AC but in his case it stood for > "Anti-Christ".
