CentOS6.6如何安装Redis3.0.3集群

这篇文章主要介绍CentOS6.6如何安装Redis3.0.3集群，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！
一个Redis集群，至少需要6个节点，3个为主，3个为从。IP 端口 节点 127.0.0.1 7000 Master 127.0.0.1 7001 Master 127.0.0.1 7002 Master 127.0.0.1 7003 Slave 127.0.0.1 7004 Slave 127.0.0.1 7005 Slave
安装步骤：
一、下载redis3.0.3# cd /usr/local # wget http://download.redis.io/releases/redis-3.0.3.tar.gz
二、解压并编译# tar -zxvf
redis-3.0.3.tar.gz # cd redis-3.0.3 # make # make test # make install
执行make install后，在/usr/local/bin目录下可看到生成了一些文件：# ls
/usr/local/bin/ redis-benchmark redis-check-dump redis-sentinel redis-check-aof redis-cli redis-server
三、创建集群需要的目录并拷贝redis# mkdir -p
/usr/local/cluster # mkdir -p
/usr/local/cluster/7000 # mkdir -p
/usr/local/cluster/7001 # mkdir -p
/usr/local/cluster/7002 # mkdir -p /usr/local/cluster/7003 # mkdir -p
/usr/local/cluster/7004 # mkdir -p
/usr/local/cluster/7005 # cp -rf
/usr/local/redis-3.0.3/* /usr/local/cluster/7000/ # cp -rf
/usr/local/redis-3.0.3/* /usr/local/cluster/7001/ # cp -rf
/usr/local/redis-3.0.3/* /usr/local/cluster/7002/ # cp -rf
/usr/local/redis-3.0.3/* /usr/local/cluster/7003/ # cp -rf
/usr/local/redis-3.0.3/* /usr/local/cluster/7004/ # cp -rf
/usr/local/redis-3.0.3/* /usr/local/cluster/7005/
四、修改配置文件redis.conf# vi
/usr/local/cluster/7000/redis.conf
修改配置文件中的下面选项daemonize yes port 7000 appendonly yes cluster-enabled
yes cluster-config-file
nodes.conf cluster-node-timeout
5000
用7000/redis.conf覆盖7001,7002,7003,7004,7005目录下的redis.conf# cp
/usr/local/cluster/7001/redis.conf /usr/local/cluster/7001 # cp
/usr/local/cluster/7001/redis.conf /usr/local/cluster/7002 # cp
/usr/local/cluster/7001/redis.conf /usr/local/cluster/7003 # cp
/usr/local/cluster/7001/redis.conf /usr/local/cluster/7004 # cp
/usr/local/cluster/7001/redis.conf /usr/local/cluster/7005
再修改7001,7002,7003,7004,7005目录下的redis.conf中的port，使得redis.conf中的port与其父目录名称一致，比如7001/redis.conf中的port为7001，7002/redis.conf中的port为7002
五、启动6个redis# cd
/usr/local/cluster/7000/src # redis-server
../redis.conf # cd
/usr/local/cluster/7001/src # redis-server
../redis.conf # cd
/usr/local/cluster/7002/src # redis-server
../redis.conf # cd
/usr/local/cluster/7003/src # redis-server
../redis.conf # cd
/usr/local/cluster/7004/src # redis-server
../redis.conf # cd
/usr/local/cluster/7005/src # redis-server
../redis.conf
启动之后使用命令查看redis的启动情况# ps -ef | grep
redis root 9656
1 0 20:35 ? 00:00:00 redis-server *:7000 [cluster] root 9684
1 0 20:37 ? 00:00:00 redis-server *:7001 [cluster] root 9725
1 0 20:43 ? 00:00:00 redis-server *:7002 [cluster] root 9730
1 0 20:43 ? 00:00:00 redis-server *:7003 [cluster] root 9734
1 0 20:43 ? 00:00:00 redis-server *:7004 [cluster] root 9739
1 0 20:43 ? 00:00:00 redis-server *:7005 [cluster] root 9743
3288 0 20:43 pts/0 00:00:00 grep redis
六、创建redis集群1 执行创建redis集群的命令会报错，提示找不到ruby# cd
/usr/local/redis-3.0.3/src #
./redis-trib.rb create –replicas 1 127.0.0.1:7000 127.0.0.1:7001
127.0.0.1:7002 127.0.0.1:7003 127.0.0.1:7004 127.0.0.1:7005 /usr/bin/env:
ruby: 没有那个文件或目录
解决此错误需要安装ruby，这里推荐使用yum install ruby# yum install
ruby 2 再执行创建集群的命令，还会报错，提示缺少rubygems组件#
./redis-trib.rb create –replicas 1 127.0.0.1:7000 127.0.0.1:7001
127.0.0.1:7002 127.0.0.1:7003 127.0.0.1:7004 127.0.0.1免费主机域名:7005 ./redis-trib.rb:24:in
`require’: no such file to load — rubygems (LoadError) from ./redis-trib.rb:24
解决此错误需要安装rubygems# yum install
rubygems 3 再次执行创建集群的命令，还会报错，提示不能加载redis，是因为缺少redis的接口#
./redis-trib.rb create –replicas 1 127.0.0.1:7000 127.0.0.1:7001
127.0.0.1:7002 127.0.0.1:7003 127.0.0.1:7004 127.0.0.1:7005 /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`gem_original_require’: no such file to load — redis (LoadError) from
/usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require’ from ./redis-trib.rb:25
解决此错误需要安装redis# gem install
redis Successfully
installed redis-3.3.3 1 gem installed Installing ri
documentation for redis-3.3.3… Installing RDoc
documentation for redis-3.3.3…
注意，有时候碰到无法安装的情况，需要手工下载并安装：# wget
https://rubygems.global.ssl.fastly.net/gems/redis-3.3.3.gem # gem install
-l ./redis-3.3.3.gem 4 再次执行安装集群的命令，正常执行#
./redis-trib.rb create –replicas 1 127.0.0.1:7000 127.0.0.1:7001
127.0.0.1:7002 127免费主机域名.0.0.1:7003 127.0.0.1:7004 127.0.0.1:7005 >>>
Creating cluster Connecting to
node 127.0.0.1:7000: OK Connecting to
node 127.0.0.1:7001: OK Connecting to
node 127.0.0.1:7002: OK Connecting to
node 127.0.0.1:7003: OK Connecting to
node 127.0.0.1:7004: OK Connecting to
node 127.0.0.1:7005: OK >>>
Performing hash slots allocation on 6 nodes… Using 3
masters: 127.0.0.1:7000 127.0.0.1:7001 127.0.0.1:7002 Adding replica
127.0.0.1:7003 to 127.0.0.1:7000 Adding replica
127.0.0.1:7004 to 127.0.0.1:7001 Adding replica
127.0.0.1:7005 to 127.0.0.1:7002 M:
747467b5f2e2a472afad96de6c88dc2f3bf5b426 127.0.0.1:7000 slots:0-5460 (5461 slots) master M:
4e4d8ba07d743c4e69fcd5df8867b996084ca4d9 127.0.0.1:7001 slots:5461-10922 (5462 slots) master M:
a6fe3c0a16bcb465a23147de8a3e242deb87e800 127.0.0.1:7002 slots:10923-16383 (5461 slots) master S:
827ca514f4289dc4ac4d51308721f90851ae6180 127.0.0.1:7003 replicates
747467b5f2e2a472afad96de6c88dc2f3bf5b426 S:
be77a6f99e905109150ceaaa50d357ed86803a4c 127.0.0.1:7004 replicates
4e4d8ba07d743c4e69fcd5df8867b996084ca4d9 S:
1285a04f3628c3e76f14d1036c59aef1cb36258d 127.0.0.1:7005 replicates
a6fe3c0a16bcb465a23147de8a3e242deb87e800 Can I set the
above configuration? (type ‘yes’ to accept): yes >>>
Nodes configuration updated >>>
Assign a different config epoch to each node >>>
Sending CLUSTER MEET messages to join the cluster Waiting for the
cluster to join.. >>>
Performing Cluster Check (using node 127.0.0.1:7000) M:
747467b5f2e2a472afad96de6c88dc2f3bf5b426 127.0.0.1:7000 slots:0-5460 (5461 slots) master M:
4e4d8ba07d743c4e69fcd5df8867b996084ca4d9 127.0.0.1:7001 slots:5461-10922 (5462 slots) master M:
a6fe3c0a16bcb465a23147de8a3e242deb87e800 127.0.0.1:7002 slots:10923-16383 (5461 slots) master M:
827ca514f4289dc4ac4d51308721f90851ae6180 127.0.0.1:7003 slots: (0 slots) master replicates
747467b5f2e2a472afad96de6c88dc2f3bf5b426 M:
be77a6f99e905109150ceaaa50d357ed86803a4c 127.0.0.1:7004 slots: (0 slots) master replicates
4e4d8ba07d743c4e69fcd5df8867b996084ca4d9 M:
1285a04f3628c3e76f14d1036c59aef1cb36258d 127.0.0.1:7005 slots: (0 slots) master replicates
a6fe3c0a16bcb465a23147de8a3e242deb87e800 [OK] All nodes
agree about slots configuration. >>>
Check for open slots… >>>
Check slots coverage… [OK] All 16384
slots covered.
至此redis集群即搭建成功！
七、执行redis-cli命令进入集群环境# redis-cli -c
-p 7000 127.0.0.1:7000>
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