I have installed mongoDB 3.4.5 in centOS 7.2 machine. I am configuring sharding in standalone mode.
Steps I followed:
For Replica Sets:
mongod --replSet rs0 --dbpath /data/srd/rs0 --logpath /data/srd/rs0/log.rs0 --port 27000 --fork --logappend --smallfiles --oplogSize 50 &
mongod --replSet rs0 --dbpath /data/srd/rs1 --logpath /data/srd/rs1/log.rs1 --port 27001 --fork --logappend --smallfiles --oplogSize 50 &
mongod --replSet rs0 --dbpath /data/srd/rs2 --logpath /data/srd/rs2/log.rs2 --port 27002 --fork --logappend --smallfiles --oplogSize 50 &
For Shards:
mongod --replSet rs0 --shardsvr --dbpath /data/srd/srd0 --logpath /data/srd/srd0/log.srd0 --port 27020 --fork --logappend --smallfiles --oplogSize 50 &
mongod --replSet rs0 --shardsvr --dbpath /data/srd/srd1 --logpath /data/srd/srd1/log.srd1 --port 27021 --fork --logappend --smallfiles --oplogSize 50 &
mongod --replSet rs0 --shardsvr --dbpath /data/srd/srd2 --logpath /data/srd/srd2/log.srd2 --port 27022 --fork --logappend --smallfiles --oplogSize 50 &
For Config server:
mongod --configsvr --replSet configReplSet --dbpath /data/srd/cfgrep0 --logpath /data/srd/cfgrep0/log.cfgrep0 --port 27006 --fork &
mongod --configsvr --replSet configReplSet --dbpath /data/srd/cfgrep1 --logpath /data/srd/cfgrep1/log.cfgrep1 --port 27007 --fork &
mongod --configsvr --replSet configReplSet --dbpath /data/srd/cfgrep2 --logpath /data/srd/cfgrep2/log.cfgrep2 --port 27008 --fork &
To start Mongos:
mongos --configdb configReplSet/sit:27006,sit:27007,sit:27008 --port 26060
I am able to login the mongos shell and also able to add the shards. But while enabling the shard I am getting exceptions as below.
mongos> sh.enableSharding("test");
{
"code" : 193,
"ok" : 0,
"errmsg" : "Cannot accept sharding commands if not started with --shardsvr"
}