hi Brahma, Thanks a lot for the clarification. This brings me to my next question: Is there a way I can systematically retrieve the serviceId s using any CLI command , instead of reading it from conf xmls ?
regards Devopam On Mon, Nov 3, 2014 at 12:51 PM, Brahma Reddy Battula < brahmareddy.batt...@huawei.com> wrote: > Hi Mittra > > > As far as I knew, "hdfs haadmin -ns" is not availble..(please someone can > correct, If I am wrong..) > > > Please check following help command for haadmin.. > > [root@linux bin]# ./hdfs haadmin > No GC_PROFILE is given. Defaults to medium. > Usage: DFSHAAdmin [-ns <nameserviceId>] > [-transitionToActive <serviceId> [--forceactive]] > [-transitionToStandby <serviceId>] > [-failover [--forcefence] [--forceactive] <serviceId> <serviceId>] > [-getServiceState <serviceId>] > [-checkHealth <serviceId>] > [-help <command>] > > > Example: > > if your service id's are like nn1,nn2 > > then you can try like,, hdfs haadmin -getServiceState nn1. > > > Thanks & Regards > Brahma Reddy Battula > ________________________________________ > From: Devopam Mittra [devo...@gmail.com] > Sent: Monday, November 03, 2014 10:33 AM > To: common-dev@hadoop.apache.org > Subject: unable to use hdfs haadmin -ns <nameserviceId> on HDP2.1 , > HDFS2.4.0.2.1 > > hi All, > I wanted to systematically probe and list all my namenode(s) via CLI. > An easier way was to maintain a masters conf file , but I want to > dynamically find the same leveraging the system metadata. > > In process of trying to find the same , I tried to use > hdfs haadmin -ns ... but to my dismay the command always returns "Missing > Command" on the console as if I am doing something syntactically wrong. > > I know my nameserviceId and I tried both capital letters and all small > (just to be sure to not commit a silly mistake). > > Can you please help me in trying to figure out what I am doing wrong here. > > > -- > Devopam Mittra > Life and Relations are not binary > -- Devopam Mittra Life and Relations are not binary
