Hey Alexandr, In that case, you'd use what you have set in your hdfs-site.xml for the dfs.nameservices property (followed by the HBase directory under HDFS).
-Dima On Thu, Aug 4, 2016 at 12:54 PM, Alexandr Porunov < alexandr.poru...@gmail.com> wrote: > Hello, > > I don't understand one parameter from hbase-site.xml : > > <property> > <name>hbase.rootdir</name> > <value>hdfs://hdfsHost:8020/hbase</value> > </property> > > What we have to put in that parameter if we configured HDFS cluster in HA > mode? I mean we have 2 name nodes (nn1, nn2) and 2 data nodes (dn1, dn2) > then which node we have to use in "hbase.rootdir" parameter? > > The most logical answer is the name node which is currently active. But if > we will use active name node and it fails then hbase cluster becomes > unavailable even if our nn2 will change its status to active. Hbase cluster > will not understand that we have changed our active NN. > > Moreover, I have configured HBase cluster with the following parameter: > > <property> > <name>hbase.rootdir</name> > <value>hdfs://nn1:8020/hbase</value> > </property> > > It doesn't work. > 1. HMaster starts > 2. I put "http://nn1:16010"; into browser > 3. HMaster disappears > > Here is my logs/hbase-hadoop-master-nn1.log : > http://paste.openstack.org/show/549232/ > > Please, help me to find out how to configure it > > Sincerely, > > Alexandr > -- -Dima
