redis3.0.4 集群安装步骤
转载至:http://blog.csdn.net/xu470438000/article/details/42971091Redis集群部署文档(Centos6.5 minal)
(要让集群正常工作至少需要3个主节点,在这里我们要创建6个redis节点,其中三个为主节点,三
个为从节点,对应的redis节点的ip和端口对应关系如下)
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
1:下载redis官网下载3.0.4版本,之前2.x几的版本不支持集群模式
下载地址:http://download.redis.io/releases/redis3.0.4.tar.gz
2:上传服务器,解压,编译 tar zxvf redis3.0.4.tar.gz
mv redis3.0.0rc2.tar.gz redis3.0 cd /usr/local/redis3.0
make make install
3:创建集群需要的目录 mkdir p /usr.local/cluster cd /usr.local/cluster mkdir 7000
mkdir 7001 mkdir 7002 mkdir 7003 mkdir 7004 mkdir 7005
4:修改配置文件redis.conf cp /usr/local/redis3.0/redis.conf /usr.local/cluster vi redis.conf ##修改配置文件中的下面选项 port 7000
daemonize yes
clusterenabled yes
clusterconfigfile nodes.conf
clusternodetimeout 5000
appendonly yes
##修改完redis.conf配置文件中的这些配置项之后把这个配置文件分别拷贝
到7000/7001/7002/7003/7004/7005目录下面
cp /usr/local/cluster/redis.conf /usr/local/cluster/7000 cp /usr/local/cluster/redis.conf /usr/local/cluster/7001 cp /usr/local/cluster/redis.conf /usr/local/cluster/7002 cp /usr/local/cluster/redis.conf /usr/local/cluster/7003 cp /usr/local/cluster/redis.conf /usr/local/cluster/7004 cp /usr/local/cluster/redis.conf /usr/local/cluster/7005
##注意:拷贝完成之后要修改7001/7002/7003/7004/7005目录下面redis.conf文件中的port参数,分
别改为对应的文件夹的名称
5:分别启动这6个redis实例
cd /usr/local/cluster/7000 redisserver redis.conf cd /usr/local/cluster/7001 redisserver redis.conf cd /usr/local/cluster/7002 redisserver redis.conf cd /usr/local/cluster/7003 redisserver redis.conf cd /usr/local/cluster/7004 redisserver redis.conf cd /usr/local/cluster/7005 redisserver redis.conf
##启动之后使用命令查看redis的启动情况ps ef|grep redis
如下图显示则说明启动成功
6:执行redis的创建集群命令创建集群
cd /usr/local/redis3.0/src
./redistrib.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
6.1执行上面的命令的时候会报错,因为是执行的ruby的脚本,需要ruby的环境
错误内容:/usr/bin/env: ruby: No such file or directory
所以需要安装ruby的环境,这里推荐使用yum install ruby安装
yum install ruby
6.2然后再执行第6步的创建集群命令,还会报错,提示缺少rubygems组件,使用yum安装
错误内容:
./redistrib.rb:24:in `require': no such file to loadrubygems (LoadError)
from ./redistrib.rb:24
yum install rubygems
6.3再次执行第6步的命令,还会报错,提示不能加载redis,是因为缺少redis和ruby的接口,使
用gem 安装
错误内容:
/usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require': no such file toredis (LoadError)
from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require' from ./redistrib.rb:25
gem install redis
6.4 再次执行第6步的命令,正常执行
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