MogileFS高级应用(二)
一、准备阶段1、5台机器
10.1.2.180 作为mysql机器
10.1.2.200-202作为集群节点
10.1.2.203作为nginx反向代理
2、拓扑图
三、部署步聚
1、180机器
1.1由于前面单节，180机器安装了mysql和Mogilefs，而现在180作为单独Mysql机器，所以先停掉Mogilefs服务
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# /etc/init.d/mogilefsd stop
Stopping mogilefsd [确定]
1.2创建mysql用户root的密码，方便集群节点连接上去
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MariaDB > GRANT ALL ON *.* TO 'root'@'10.1.%.%' IDENTIFIED BY '168';
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MariaDB > flush privileges;
Query OK, 0 rows affected (0.04 sec)
2、200机器
2.1 重新初始化数据库
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# mogdbsetup --dbhost=10.1.2.180 --dbname=mogilefs --dbport=3306 --dbrootuser=root --dbrootpass=168 --dbuser=moguser --dbpass=mog168
2.2修改配置文件
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root@xenserver1 mogdata]# vim /etc/mogilefs/mogilefsd.conf
db_dsn = DBI:mysql:mogilefs:host=10.1.2.180
db_user = moguser
db_pass = mog168
listen = 0.0.0.0:7001
2.3重启服务
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# service mogilefsd restart
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# ss -tnl | sed -n '/7001/p'
LISTEN 0 128 127.0.0.1:7001 *:*
2.4启动 mogstored服务
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# vim /etc/mogilefs/mogstored.conf
maxconns = 10000
httplisten = 0.0.0.0:7500
mgmtlisten = 0.0.0.0:7501
docroot = /data0/nfs/mogdata/
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# service mogstored restart
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# ss -tnl | sed -n '/7500\|7501\|7001/p'
LISTEN 0 128 127.0.0.1:7001 *:*
LISTEN 0 128 *:7500 *:*
LISTEN 0 128 *:7501 *:*
2.3由于原来已经有了，所以先删除再重新添加
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# mogadm --trackers=10.1.2.200:7001 host list
10.1.2.200 : alive
IP: 10.1.2.200:7500
10.1.2.201 : alive
IP: 10.1.2.201:7500
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# mogadm --trackers=10.1.2.200:7001 host delete 10.1.2.200
Failure deleting host: host_not_empty Unable to delete host; it contains devices still
2.4有错误提示了，先去到180数据库下删除dev1,dev2
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MariaDB > select * from device
-> ;
+-------+--------+--------+--------+----------+---------+------------+
| devid | hostid | status | weight | mb_total | mb_used | mb_asof |
+-------+--------+--------+--------+----------+---------+------------+
| 1 | 1 | down | 100 | 336801 | 66 | 1443524971 |
| 2 | 2 | alive| 100 | 3737 | 735 | 1443525069 |
+-------+--------+--------+--------+----------+---------+------------+
2 rows in set (0.00 sec)
MariaDB > delete from device where devid=1;
Query OK, 1 row affected (0.02 sec)
MariaDB > delete from device where devid=2;
Query OK, 1 row affected (0.01 sec)
2.5再执行删除主机
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# mogadm --trackers=10.1.2.200:7001 host delete 10.1.2.200
# mogadm --trackers=10.1.2.200:7001 host delete 10.1.2.201
# mogadm --trackers=10.1.2.200:7001 host list
2.6把自己添加进来
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# mogadm --trackers=10.1.2.200:7001 host add 10.1.2.200 --ip=10.1.2.200 --status=alive
# mogadm --trackers=10.1.2.200:7001 host list
10.1.2.200 : alive
IP: 10.1.2.200:7500
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