I had an urgent issue to solve in admin DB

I stopped all config servers, and made changes in the primary one. After restarting all other servers - balancer working only on the server where I did changes, the other two have:

balancer: Currently enabled: yes Currently running: no

Also rs.status() returns:

configsvr> rs.status()
        "info" : "configsvr",
        "ok" : 0,
        "errmsg" : "not running with --replSet",
        "code" : 76

Need some help to fix it Should I restart all config servers with some options, or need to build replication from the beginning?

  • See this answer: stackoverflow.com/questions/24557352/… – SqlWorldWide Sep 15 '17 at 12:03
  • @SqlWorldWide Hi, thanks for the answer I checked that topic, but seems I had different issue Results of ps -ef on all the servers are the same: ps -ef | grep mongo mongod 6328 1 3 Sep11 ? 03:02:29 /usr/bin/mongod -f /etc/mongodb.conf All the servers running exactly mongod with same options Or the problem is still the same as on the topic you gave? Thanks – Duiz Sep 15 '17 at 12:08

First: balancer is running ONLY at config server replica sets PRIMARY, never on SECONDARY.

Second: (as) your error message says that, that node where you gave rs.statatus() command is not started in replica set mode, more like maintenance mode. i.e. started without --replSet or replication.replSetName config parameter and maybe also without "sharding.clusterRole: configsvr" parameter.

You can check what where starting parameters, by just reading mongod.log file. There is (at startup) list of parameters what that mongod used when it was started.

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