环境介绍:
192.168.1.250 主 port=27408
192.168.1.250 仲裁 port=27409
192.168.1.251 备 port=27408
[root@HE4 ~]# tar xvf mongodb-linux-x86_64-2.6.10.tgz
[root@HE4 ~]# mkdir -p /export/mongodb
[root@HE4 ~]# mkdir -p /export/mongodb/bin
[root@HE4 ~]# mkdir -p /export/mongodb/conf
[root@HE4 ~]# mkdir -p /export/mongodb/log
[root@HE4 ~]# mkdir -p /export/mongodb/data
[root@HE4 bin]# cd /root/mongodb-linux-x86_64-2.6.10/bin
[root@HE4 bin]# cp /root/mongodb-linux-x86_64-2.6.10/bin/* /export/mongodb/bin/
[root@HE1 bin]# vi /export/mongodb/conf/mongod.conf
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port=27408 dbpath= /export/mongodb/data
logpath= /export/mongodb/log/mongod .log
fork= true
logappend= true
keyFile= /export/mongodb/key/mongod
nohttpinterface= true
replSet=shard1 [root@HE1 bin] # vi /export/mongodb/conf/arbiter.conf
port=27409 dbpath= /export/mongodb/arbiter
logpath= /export/mongodb/log/arbiter .log
fork= true
logappend= true
keyFile= /export/mongodb/key/arbiter
nohttpinterface= true
replSet=shard1 |
keyfile文件包括:
mongod,arbiter
创建一个生成keyfile的脚本
vi create_key.sh
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cat /dev/urandom | LC_ALL=C tr - dc "[:alnum:]" | fold -w 10 | head -1 > /tmp/key .txt
keystring=` cat /tmp/key .txt`
echo $keystring > /export/mongodb/key/mongod
echo $keystring > /export/mongodb/key/arbiter
chmod 600 /export/mongodb/key/ *
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启动服务器在主
[root@HE3 ~]#/export/mongodb/bin/mongod -f /export/mongodb/conf/mongod.conf
[root@HE3 ~]# /export/mongodb/bin/mongod -f /export/mongodb/conf/arbiter.conf
在从
[root@HE4 ~]#/export/mongodb/bin/mongod -f /export/mongodb/conf/mongod.conf
>config={_id:'shard1',members:[{_id:0,host:'192.168.1.248:27408'},{_id:1,host:'192.168.1.249:27408'},{_id:2,host:'192.168.1.248:27409',arbiterOnly:true}]}
>rs.initiate(config)
初始化rs.initiate(config),config是之前定义的名
主备库配置好后,备库查询
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shard1:SECONDARY> use test switched to db test
shard1:SECONDARY> db.t1.find() error: { "$err" : "not master and slaveOk=false" , "code" : 13435 }
shard1:SECONDARY> rs.slaveOk() shard1:SECONDARY> db.t1.find() { "_id" : ObjectId( "5704c11d3e0651733bfdea23" ), "x" : 1 }
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rs.stauts()可以看状态,health:1代表健康,stateStr谁是我们的仲裁
想让主库降级成从库,rs.stepDown()
本文出自 “岁伏” 博客,请务必保留此出处http://suifu.blog.51cto.com/9167728/1853478