hadoop生态搭建(3节点)-13.mongodb配置
# 13.mongodb配置_副本集_认证授权
# ==================================================================安装 mongodb
tar -zxvf ~/mongodb-linux-x86_64-rhel70-3.4.5.tgz -C /usr/local mv /usr/local/mongodb-linux-x86_64-rhel70-3.4.5 /usr/local/mongodb-3.4.5 rm -r ~/mongodb-linux-x86_64-rhel70-3.4.5.tgz
# 环境变量
# ==================================================================node1 node2 node3
vi /etc/profile # 在export PATH USER LOGNAME MAIL HOSTNAME HISTSIZE HISTCONTROL下添加 export JAVA_HOME=/usr/java/jdk1.8.0_111 export ZOOKEEPER_HOME=/usr/local/zookeeper-3.4.12 export HADOOP_HOME=/usr/local/hadoop-2.7.6 export MYSQL_HOME=/usr/local/mysql export HBASE_HOME=/usr/local/hbase-1.2.4 export HIVE_HOME=/usr/local/hive-2.1.1 export SCALA_HOME=/usr/local/scala-2.12.4 export KAFKA_HOME=/usr/local/kafka_2.12-0.10.2.1 export FLUME_HOME=/usr/local/flume-1.8.0 export SPARK_HOME=/usr/local/spark-2.3.0 export STORM_HOME=/usr/local/storm-1.1.0 export ERLANG_HOME=/usr/local/erlang export RABBITMQ_HOME=/usr/local/rabbitmq_server-3.7.5 export MONGODB_HOME=/usr/local/mongodb-3.4.5 export PATH=$PATH:$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$ZOOKEEPER_HOME/bin:$HADOOP_HOME/bin:$HADOOP_HOME/sbin:$MYSQL_HOME/bin:$HBASE_HOME/bin:$HIVE_HOME/bin:$SCALA_HOME/bin:$KAFKA_HOME/bin:$FLUME_HOME/bin:$SPARK_HOME/bin:$SPARK_HOME/sbin:$STORM_HOME/bin:$ERLANG_HOME/bin:$RABBITMQ_HOME/ebin:$RABBITMQ_HOME/sbin:$MONGODB_HOME/bin export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar export HADOOP_INSTALL=$HADOOP_HOME export HADOOP_MAPRED_HOME=$HADOOP_HOME export HADOOP_COMMON_HOME=$HADOOP_HOME export HADOOP_HDFS_HOME=$HADOOP_HOME export YARN_HOME=$HADOOP_HOME export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native
# ==================================================================node1
# 使环境变量生效 source /etc/profile # 查看配置结果 echo $MONGODB_HOME mkdir -p $MONGODB_HOME/{conf,data,pids,logs} vi $MONGODB_HOME/conf/mongod.conf systemLog: destination: file logAppend: true #日志文件存放目录 path: /usr/local/mongodb-3.4.5/logs/mongod.log storage: #数据文件存放目录 dbPath: /usr/local/mongodb-3.4.5/data journal: enabled: true processManagement: #以守护程序的方式启用,即在后台运行 fork: true pidFilePath: /usr/local/mongodb-3.4.5/pids/mongod.pid net: port: 27017 #端口 replication: replSetName: replSet1 #security: # authorization: enabled # keyFile: /usr/local/mongodb-3.4.5/keyfile/mongodb.keyfile scp -r $MONGODB_HOME node2:/usr/local/ scp -r $MONGODB_HOME node3:/usr/local/
# ==================================================================node2 node3
# 使环境变量生效 source /etc/profile # 查看配置结果 echo $MONGODB_HOME
shutdown -h now
# 快照 mongodb_副本集_集群前
# 副本集配置
# ==================================================================node1 node2 node3 mongod -f $MONGODB_HOME/conf/mongod.conf # ==================================================================任意一台 mongo --port 27017 # 添加副本集配置 > cfg={_id:"replSet1", members:[{_id:1, host:'node1:27017'},{_id:2, host:'node2:27017'}, {_id:3, host:'node3:27017'}]}; > rs.initiate(cfg); > rs.status(); > exit; # ==================================================================node1 mongo node1:27017/admin replSet1:PRIMARY> rs.status(); replSet1:PRIMARY> use admin; replSet1:PRIMARY> db.dropUser("admin"); replSet1:PRIMARY> db.createUser({user: "admin",pwd: "Mongo*123456",roles: [{role:"root",db:"admin"}]}); replSet1:PRIMARY> db.auth("admin", "Mongo*123456"); replSet1:PRIMARY> exit # ==================================================================node2 mongo node2:27017/admin replSet1:SECONDARY> rs.status(); replSet1:SECONDARY> exit; # ==================================================================node3 mongo node3:27017/admin replSet1:SECONDARY> rs.status(); replSet1:SECONDARY> exit; # ==================================================================node1 mkdir -p $MONGODB_HOME/keyfile openssl rand -base64 756 > $MONGODB_HOME/keyfile/mongodb.keyfile chmod 600 $MONGODB_HOME/keyfile/mongodb.keyfile # ==================================================================node2 node3 mkdir -p $MONGODB_HOME/keyfile # ==================================================================node1 # 开启了keyFile,隐含就开启了auth,这个时候连接副本集就需要进行认证了 # 重启Mongo服务 scp -r $MONGODB_HOME/keyfile/mongodb.keyfile node2:$MONGODB_HOME/keyfile/ scp -r $MONGODB_HOME/keyfile/mongodb.keyfile node3:$MONGODB_HOME/keyfile/ # ==================================================================node2 node3 chmod 600 $MONGODB_HOME/keyfile/mongodb.keyfile # ==================================================================node1 node2 node3 vi $MONGODB_HOME/conf/mongod.conf security: authorization: enabled keyFile: /usr/local/mongodb-3.4.5/keyfile/mongodb.keyfile # ==================================================================node1 node2 node3 # 先从再主 先node3 node2 最后node1 mongod -f $MONGODB_HOME/conf/mongod.conf --shutdown mongod -f $MONGODB_HOME/conf/mongod.conf mongo node1:27017 > use admin; > show dbs; # 此刻会报错误,没有授权 > exit; # ==================================================================node1 mongo node1:27017/admin -u admin -p Mongo*123456 replSet1:PRIMARY> rs.status(); # > use logs; # > db.dropUser("loguser"); # > db.createUser({user: "loguser",pwd: "Mongo*123456",roles: [{role: "readWrite", db: "logs"}]}); # > db.auth("loguser", "Mongo*123456"); # > db.createUser({user: "loguser",pwd: "Mongo*123456",roles: [{role : "readWrite",db : "logs"},{role : "readWrite",db : "school"}]}); # > db.updateUser({user: "loguser",pwd: "Mongo*123456",roles: [{role : "readWrite",db : "logs"},{role : "readWrite",db : "school"}]}) > use school; > db.dropUser("schooluser"); > db.createUser({user: "schooluser",pwd: "Mongo*123456",roles: [{role: "readWrite", db: "school"}]}); > db.auth("schooluser", "Mongo*123456"); > exit; mongo node1:27017/school -u schooluser -p Mongo*123456 > use school; > db.student.insert({name:"Tom", age:16}) db.student.insert({name:"Jerry", age:15}) db.student.insert({name:"Mary", age:9}); > db.student.find(); # ==================================================================node2 mongo node2:27017/school -u schooluser -p Mongo*123456 replSet1:SECONDARY> db.student.find(); Error: error: { "ok" : 0, "errmsg" : "not master and slaveOk=false", "code" : 13435, "codeName" : "NotMasterNoSlaveOk" } # 发生上述错误是因为mongodb默认读写都是在Primary上进行的,副本节点不允许读写,可以使用如下命令来允许副本读: > db.getMongo().setSlaveOk(); replSet1:SECONDARY> db.student.find(); { "_id" : ObjectId("59d98fde9740291fac4998fb"), "name" : "Tom", "age" : 16 } { "_id" : ObjectId("59d98fe69740291fac4998fc"), "name" : "Jerry", "age" : 15 } { "_id" : ObjectId("59d98fed9740291fac4998fd"), "name" : "Mary", "age" : 9 } > exit; # ==================================================================node3 mongo node3:27017/school -u schooluser -p Mongo*123456 replSet1:SECONDARY> db.student.find(); Error: error: { "ok" : 0, "errmsg" : "not master and slaveOk=false", "code" : 13435, "codeName" : "NotMasterNoSlaveOk" } # 发生上述错误是因为mongodb默认读写都是在Primary上进行的,副本节点不允许读写,可以使用如下命令来允许副本读: > db.getMongo().setSlaveOk(); replSet1:SECONDARY> db.student.find(); { "_id" : ObjectId("59d98fde9740291fac4998fb"), "name" : "Tom", "age" : 16 } { "_id" : ObjectId("59d98fe69740291fac4998fc"), "name" : "Jerry", "age" : 15 } { "_id" : ObjectId("59d98fed9740291fac4998fd"), "name" : "Mary", "age" : 9 } > exit; # ==================================================================node3 node2 node1 # 先从再主 先node3 node2 最后node1 mongod -f $MONGODB_HOME/conf/mongod.conf --shutdown shutdown -h now # 快照 mongodb_副本集_安全认证
# 另一种方式
# 13.mongodb配置_副本集_分片_认证授权
# ==================================================================规划
# 端口分配:
mongos: 27017
config: 27000
shard1: 27001
shard2: 27002
shard3: 27003
# ==================================================================安装 mongodb
tar -zxvf ~/mongodb-linux-x86_64-rhel70-3.4.5.tgz -C /usr/local mv /usr/local/mongodb-linux-x86_64-rhel70-3.4.5 /usr/local/mongodb-3.4.5 rm -r ~/mongodb-linux-x86_64-rhel70-3.4.5.tgz
# 环境变量
# ==================================================================node1 node2 node3
vi /etc/profile # 在export PATH USER LOGNAME MAIL HOSTNAME HISTSIZE HISTCONTROL下添加 export JAVA_HOME=/usr/java/jdk1.8.0_111 export ZOOKEEPER_HOME=/usr/local/zookeeper-3.4.12 export HADOOP_HOME=/usr/local/hadoop-2.7.6 export MYSQL_HOME=/usr/local/mysql export HBASE_HOME=/usr/local/hbase-1.2.4 export HIVE_HOME=/usr/local/hive-2.1.1 export SCALA_HOME=/usr/local/scala-2.12.4 export KAFKA_HOME=/usr/local/kafka_2.12-0.10.2.1 export FLUME_HOME=/usr/local/flume-1.8.0 export SPARK_HOME=/usr/local/spark-2.3.0 export STORM_HOME=/usr/local/storm-1.1.0 export ERLANG_HOME=/usr/local/erlang export RABBITMQ_HOME=/usr/local/rabbitmq_server-3.7.5 export MONGODB_HOME=/usr/local/mongodb-3.4.5 export PATH=$PATH:$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$ZOOKEEPER_HOME/bin:$HADOOP_HOME/bin:$HADOOP_HOME/sbin:$MYSQL_HOME/bin:$HBASE_HOME/bin:$HIVE_HOME/bin:$SCALA_HOME/bin:$KAFKA_HOME/bin:$FLUME_HOME/bin:$SPARK_HOME/bin:$SPARK_HOME/sbin:$STORM_HOME/bin:$ERLANG_HOME/bin:$RABBITMQ_HOME/ebin:$RABBITMQ_HOME/sbin:$MONGODB_HOME/bin export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar export HADOOP_INSTALL=$HADOOP_HOME export HADOOP_MAPRED_HOME=$HADOOP_HOME export HADOOP_COMMON_HOME=$HADOOP_HOME export HADOOP_HDFS_HOME=$HADOOP_HOME export YARN_HOME=$HADOOP_HOME export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native
# ==================================================================node1
# 使环境变量生效 source /etc/profile # 查看配置结果 echo $MONGODB_HOME
# ==================================================================node1
mkdir -p $MONGODB_HOME/{conf,data,pids,logs} vi $MONGODB_HOME/conf/mongod.conf systemLog: destination: file logAppend: true #日志文件存放目录 path: /usr/local/mongodb-3.4.5/logs/mongod.log storage: #数据文件存放目录 dbPath: /usr/local/mongodb-3.4.5/data journal: enabled: true processManagement: #以守护程序的方式启用,即在后台运行 fork: true pidFilePath: /usr/local/mongodb-3.4.5/pids/mongod.pid net: port: 27017 #端口 replication: replSetName: replSet1 #security: # authorization: enabled # keyFile: /usr/local/mongodb-3.4.5/keyfile/mongodb.keyfile scp -r $MONGODB_HOME node2:/usr/local/ scp -r $MONGODB_HOME node3:/usr/local/
# ==================================================================node2 node3
# 使环境变量生效 cd ~ source /etc/profile # 查看配置结果 echo $MONGODB_HOME
# 分别在每台机器建立conf、mongos、config、shard1、shard2、shard3六个目录,因为mongos不存储数据,只需要建立日志文件目录即可。
mkdir -p $MONGODB_HOME/conf mkdir -p $MONGODB_HOME/mongos/logs mkdir -p $MONGODB_HOME/config/{data,logs} mkdir -p $MONGODB_HOME/shard1/{data,logs} mkdir -p $MONGODB_HOME/shard2/{data,logs} mkdir -p $MONGODB_HOME/shard3/{data,logs} # 配置文件内容 vi $MONGODB_HOME/conf/config.conf pidfilepath = /usr/local/mongodb-3.4.5/config/logs/configsvr.pid dbpath = /usr/local/mongodb-3.4.5/config/data logpath = /usr/local/mongodb-3.4.5/config/logs/configsvr.log logappend = true bind_ip = 0.0.0.0 port = 27000 fork = true configsvr = true #副本集名称 replSet=configs #设置最大连接数 maxConns=20000 # 安全认证机制 # keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file # 开启用户认证 # auth = true # ==================================================================node1 node2 node3 # 设置第一个分片副本集 vi $MONGODB_HOME/conf/shard1.conf pidfilepath = /usr/local/mongodb-3.4.5/shard1/logs/shard1.pid dbpath = /usr/local/mongodb-3.4.5/shard1/data logpath = /usr/local/mongodb-3.4.5/shard1/logs/shard1.log logappend = true bind_ip = 0.0.0.0 port = 27001 fork = true #打开web监控 httpinterface = true rest = true #副本集名称 replSet = shard1 shardsvr = true #设置最大连接数 maxConns = 20000 # 安全认证机制 # keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file # 开启用户认证 # auth = true # ==================================================================node1 node2 node3 设置第二个分片副本集 vi $MONGODB_HOME/conf/shard2.conf pidfilepath = /usr/local/mongodb-3.4.5/shard2/logs/shard2.pid dbpath = /usr/local/mongodb-3.4.5/shard2/data logpath = /usr/local/mongodb-3.4.5/shard2/logs/shard2.log logappend = true bind_ip = 0.0.0.0 port = 27002 fork = true # 打开web监控 httpinterface = true rest = true # 副本集名称 replSet = shard2 shardsvr = true #设置最大连接数 maxConns = 20000 # 安全认证机制 # keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file # 开启用户认证 # auth = true # 设置第三个分片副本集 # ==================================================================node1 node2 node3 vi $MONGODB_HOME/conf/shard3.conf pidfilepath = /usr/local/mongodb-3.4.5/shard3/logs/shard3.pid dbpath = /usr/local/mongodb-3.4.5/shard3/data logpath = /usr/local/mongodb-3.4.5/shard3/logs/shard3.log logappend = true bind_ip = 0.0.0.0 port = 27003 fork = true # 打开web监控 httpinterface=true rest=true # 副本集名称 replSet=shard3 shardsvr = true # 设置最大连接数 maxConns=20000 # 安全认证机制 # keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file # 开启用户认证 # auth = true # ==================================================================node1 node2 node3 # 配置路由服务器 mongos # 先启动配置服务器和分片服务器,后启动路由实例启动路由实例:(三台机器) vi $MONGODB_HOME/conf/mongos.conf pidfilepath = /usr/local/mongodb-3.4.5/mongos/logs/mongos.pid logpath = /usr/local/mongodb-3.4.5/mongos/logs/mongos.log logappend = true bind_ip = 0.0.0.0 port = 27017 fork = true #监听的配置服务器,只能有1个或者3个 configs为配置服务器的副本集名字 configdb = configs/node1:27000,node2:27000,node3:27000 #设置最大连接数 maxConns=20000 # 安全认证机制 # keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file # ==================================================================node1 scp -r $MONGODB_HOME node2:/usr/local/ scp -r $MONGODB_HOME node3:/usr/local/ # 查看配置结果 echo $MONGODB_HOME shutdown -h now # 快照 mongodb集群前
# 启动
# 启动config server # ==================================================================node1 node2 node3 mongod -f $MONGODB_HOME/conf/config.conf # ==================================================================任意一台 # 登录任意一台配置服务器,初始化配置副本集 mongo --port 27000 > config={_id:"configs",members:[{_id:1,host:"node1:27000"},{_id:2,host:"node2:27000"},{_id:3,host:"node3:27000"}]} > rs.initiate(config) # 其中 "_id":"configs" 应与配置文件中配置的 replicaction.replSetName 一致,"members" 中的 "host" 为三个节点的 ip 和 port # 启动shard1 server # ==================================================================node1 node2 node3 mongod -f $MONGODB_HOME/conf/shard1.conf # ==================================================================任意一台 # 登陆任意一台服务器,初始化副本集 mongo --port 27001 #定义副本集配置,第三个节点的 "arbiterOnly":true 代表其为仲裁节点。 > config={_id:"shard1",members:[{_id:1,host:"node1:27001"},{_id:2,host:"node2:27001"},{_id:3,host:"node3:27001",arbiterOnly:true}]} > rs.initiate(config); # 启动shard2 server # ==================================================================node1 node2 node3 mongod -f $MONGODB_HOME/conf/shard2.conf # ==================================================================任意一台 mongo --port 27002 > config={_id:"shard2",members:[{_id:1,host:"node1:27002",arbiterOnly:true},{_id:2,host:"node2:27002"},{_id:3,host:"node3:27002"}]} > rs.initiate(config); # 启动shard3 server # ==================================================================node1 node2 node3 mongod -f $MONGODB_HOME/conf/shard3.conf # ==================================================================任意一台 # 登陆任意一台服务器,初始化副本集 mongo --port 27003 > config={_id:"shard3",members:[{_id:1,host:"node1:27003"},{_id:2,host:"node2:27003",arbiterOnly:true},{_id:3,host:"node3:27003"}]} > rs.initiate(config); # ==================================================================node1 node2 node3 # 启动三台服务器的mongos server mongos -f $MONGODB_HOME/conf/mongos.conf # 启用分片 # 目前搭建了mongodb配置服务器、路由服务器,各个分片服务器,不过应用程序连接到mongos路由服务器并不能使用分片机制,还需要在程序里设置分片配置,让分片生效。 # ==================================================================任意一台 # 登陆任意一台mongos mongo --port 27017 #使用admin数据库 > use admin; # 串联路由服务器与分配副本集 > sh.addShard("shard1/node1:27001,node2:27001,node3:27001") > sh.addShard("shard2/node1:27002,node2:27002,node3:27002") > sh.addShard("shard3/node1:27003,node2:27003,node3:27003") #查看分片服务器的配置 > db.runCommand({listshards:1}); # 查看集群状态 > sh.status(); # 测试 # 目前配置服务、路由服务、分片服务、副本集服务都已经串联起来了,但我们的目的是希望插入数据,数据能够自动分片。连接在mongos上,准备让指定的数据库、指定的集合分片生效。 # 指定test分片生效 > db.runCommand({enablesharding:"test"}); # 指定数据库里需要分片的集合和片键 # 设置分片的集合名称。且必须指定Shard Key,系统会自动创建索引,然后根据这个shard Key来计算 > db.runCommand({shardcollection:"test.table1",key:{_id:"hashed"}}); # 我们设置test的 table1 表需要分片,根据 id 自动分片到 shard1 ,shard2,shard3 上面去。要这样设置是因为不是所有mongodb 的数据库和表 都需要分片 #使用test > use test; #插入测试数据 > for (var i = 1; i <= 5000; i++) db.table1.save({id:i,"field1":"testval"+i}); # WriteResult({ "nInserted" : 1 }) > db.table1.find().count(); > db.table1.find().limit(5); # 查看分片 > db.table1.stats(); # 可以看到数据分到3个分片,表示已经成功了 #默认是从主节点读写数据,副本节点上不允许读,需要设置副本节点可以读 repset:SECONDARY> db.getMongo().setSlaveOk(); repset:SECONDARY> show tables; # 查看机器 主 从 仲裁 mongo --host node1 --port 27001 mongo --host node2 --port 27001 mongo --host node3 --port 27001 mongo --host node1 --port 27002 mongo --host node2 --port 27002 mongo --host node3 --port 27002 mongo --host node1 --port 27003 mongo --host node2 --port 27003 mongo --host node3 --port 27003 shutdown -h now # 快照 mongodb未安全认证
# 开始安全认证
mongod -f $MONGODB_HOME/conf/config.conf mongod -f $MONGODB_HOME/conf/shard1.conf mongod -f $MONGODB_HOME/conf/shard2.conf mongod -f $MONGODB_HOME/conf/shard3.conf mongos -f $MONGODB_HOME/conf/mongos.conf mongo --port 27017 # 添加用户 注意一定要使用admin数据库 > use admin; > db.dropUser("admin"); > db.createUser({user: "admin",pwd: "Mongo*123",roles: [{role:"root",db:"admin"}]}); > db.auth("admin", "Mongo*123"); > exit; # ==================================================================node1 # 生成密钥文件。 # 在keyFile身份验证中,副本集中的每个mongod实例都使用keyFile的内容作为共享密码,只有具有正确密钥文件的mongod或者mongos实例可以连接到副本集。密钥文件的内容必须在6到1024个字符之间,并且在unix/linux系统中文件所有者必须有对文件至少有读的权限。 # 可以用任何方式生成密钥文件例如: #随机生成keyFile或者手动写入,key的长度必须是6-1024的base64字符,unix下必须相同组权限,windows下不需要 mkdir -p $MONGODB_HOME/keyfile openssl rand -base64 756 > $MONGODB_HOME/keyfile/keyFile.file chmod 600 $MONGODB_HOME/keyfile/keyFile.file # ==================================================================node2 mkdir -p $MONGODB_HOME/keyfile # ==================================================================node3 mkdir -p $MONGODB_HOME/keyfile # ==================================================================node1 # 第一条命令是生成密钥文件,第二条命令是使用chmod更改文件权限,为文件所有者提供读权限 # 将密钥复制到集群中的每台机器指定位置 scp -r $MONGODB_HOME/keyfile/keyFile.file root@node2:$MONGODB_HOME/keyfile scp -r $MONGODB_HOME/keyfile/keyFile.file root@node3:$MONGODB_HOME/keyfile # ==================================================================node2 chmod 600 $MONGODB_HOME/keyfile/keyFile.file # ==================================================================node3 chmod 600 $MONGODB_HOME/keyfile/keyFile.file # ==================================================================node1 # 依次在每台机器上的mongod(注意是所有的mongod不是mongos)的配置文件中加入下面一段配置。 # config server,shard1,shard2,shard3都加入下面的配置文件 # 配置文件内容 vi $MONGODB_HOME/conf/config.conf keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file auth = true vi $MONGODB_HOME/conf/shard1.conf keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file auth = true vi $MONGODB_HOME/conf/shard2.conf keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file auth = true vi $MONGODB_HOME/conf/shard3.conf keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file auth = true vi $MONGODB_HOME/conf/mongos.conf keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file scp -r $MONGODB_HOME/conf/config.conf root@node2:$MONGODB_HOME/conf scp -r $MONGODB_HOME/conf/shard1.conf root@node2:$MONGODB_HOME/conf scp -r $MONGODB_HOME/conf/shard2.conf root@node2:$MONGODB_HOME/conf scp -r $MONGODB_HOME/conf/shard3.conf root@node2:$MONGODB_HOME/conf scp -r $MONGODB_HOME/conf/mongos.conf root@node2:$MONGODB_HOME/conf scp -r $MONGODB_HOME/conf/config.conf root@node3:$MONGODB_HOME/conf scp -r $MONGODB_HOME/conf/shard1.conf root@node3:$MONGODB_HOME/conf scp -r $MONGODB_HOME/conf/shard2.conf root@node3:$MONGODB_HOME/conf scp -r $MONGODB_HOME/conf/shard3.conf root@node3:$MONGODB_HOME/conf scp -r $MONGODB_HOME/conf/mongos.conf root@node3:$MONGODB_HOME/conf # ==================================================================node3 node2 node1 # 先从再主 mongod -f $MONGODB_HOME/conf/config.conf --shutdown mongod -f $MONGODB_HOME/conf/shard1.conf --shutdown mongod -f $MONGODB_HOME/conf/shard2.conf --shutdown mongod -f $MONGODB_HOME/conf/shard3.conf --shutdown # ==================================================================node1 node2 node3 # mongodb的启动顺序是,先启动配置服务器,在启动分片,最后启动mongos. mongod -f $MONGODB_HOME/conf/config.conf mongod -f $MONGODB_HOME/conf/shard1.conf mongod -f $MONGODB_HOME/conf/shard2.conf mongod -f $MONGODB_HOME/conf/shard3.conf mongos -f $MONGODB_HOME/conf/mongos.conf mongo --port 27017 > use admin; > show dbs; # 此刻会报错误,没有授权 > exit; # ==================================================================node1 mongo node1:27017/admin -u admin -p Mongo*123 > show dbs; > db.runCommand({enablesharding:"logs"}); > db.runCommand({shardcollection:"logs.logList",key:{id:1}}) > use logs; > db.dropUser("loguser"); > db.createUser({user:"loguser",pwd:"Mongo*123",roles:[{role:"readWrite",db:"logs"}]}); > db.auth("loguser","Mongo*123"); > db.logList.ensureIndex({key: -1}); # > db.logList.ensureIndex({DateTime: -1}); # > db.logList.ensureIndex({PrimaryData: -1}); > exit; mongo node2:27017/logs -u loguser -p Mongo*123 ...SECONDARY> db.logList.find().count(); Error: error: { "ok" : 0, "errmsg" : "not master and slaveOk=false", "code" : 13435, "codeName" : "NotMasterNoSlaveOk" } # 发生上述错误是因为mongodb默认读写都是在Primary上进行的,副本节点不允许读写,可以使用如下命令来允许副本读: > db.getMongo().setSlaveOk(); ...SECONDARY> db.student.find(); mongo node1:27017/logs -u loguser -p Mongo*123 > use logs; > show tables; > db.logList.find().count(); #插入测试数据 > for (var i = 1; i <= 5000; i++) db.logList.save({id:i,"field1":"testval" + i}); # WriteResult({ "nInserted" : 1 }) > db.logList.find().count(); > db.logList.find().limit(5); # 查看分片 > db.logList.stats(); > db.logList.find().skip(0).limit(5); > db.logList.remove({}); shutdown -h now # 快照 mongodb安全认证