34补3-3 rhcs集群基础应用
03rhcs集群基础应用
配置luci/ricci（图形界面，重点掌握）
配置环境
node1：192.168.1.151CentOS6.5
node2：192.168.1.152CentOS6.5
node3：192.168.1.153CentOS6.5
node3：192.168.1.154CentOS6.5
[root@node1 ~]# ansible ha -m shell -a 'service NetworkManager stop'
[root@node1 ~]# ansible ha -m shell -a 'chkconfig NetworkManager off'
[root@node1 ~]# ansible ha -m shell -a 'yum -y install httpd'
[root@node1 ~]# yum -y install ricci
[root@node1 ~]# service ricci start
[root@node1 ~]# netstat -tunlp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN 1181/rpcbind
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 1485/sshd
tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN 1372/cupsd
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 1561/master
tcp 0 0 0.0.0.0:47549 0.0.0.0:* LISTEN 1310/rpc.statd
tcp 0 0 :::111 :::* LISTEN 1181/rpcbind
tcp 0 0 :::22 :::* LISTEN 1485/sshd
tcp 0 0 ::1:631 :::* LISTEN 1372/cupsd
tcp 0 0 ::1:25 :::* LISTEN 1561/master
tcp 0 0 :::46746 :::* LISTEN 1310/rpc.statd
tcp 0 0 :::11111 :::* LISTEN 28236/ricci
udp 0 0 0.0.0.0:111 0.0.0.0:* 1181/rpcbind
udp 0 0 0.0.0.0:631 0.0.0.0:* 1372/cupsd
udp 0 0 0.0.0.0:638 0.0.0.0:* 1310/rpc.statd
udp 0 0 0.0.0.0:56208 0.0.0.0:* 1310/rpc.statd
udp 0 0 0.0.0.0:932 0.0.0.0:* 1181/rpcbind
udp 0 0 :::111 :::* 1181/rpcbind
udp 0 0 :::932 :::* 1181/rpcbind
udp 0 0 :::35625 :::* 1310/rpc.statd
[root@node2 ~]# yum -y install ricci && service ricci start
[root@node3 ~]# yum -y install ricci && service ricci start
[root@node1 ~]# ansible ha -m shell -a 'echo ricci:mageedu | chpasswd'
[root@node4 ~]# yum -y install luci
[root@node4 ~]# service luci start
Point your web browser to https://node4:8084 (or equivalent) to access luci
#可通过https://192.168.1.154:8084端口访问luci
以下操作通过浏览器进行
1、登录luci
2、创建集群
备注：node结点的密码为ricci的密码，此处为mageedu，而不是root用户的登录密码
3、创建Fence Devices
依次选择“tcluster”、“Fence Devices”、“Add”
在出现的对话框中选择合适的配置，本次实验不作配置
4、创建Failover Domains（故障转移域）
依次选择“tcluster”、“Failover Domains”、“Add”
5、配置Resources
1）IP Address
点击“Apply”
2)添加Script资源
点击“Apply”
6、配置Service Groups
1）创建webservice group
2）在webservice group中添加资源
添加之前定义的IP Address和Script资源
3）启动webservice组资源
发现服务正运行在node2结点
测试：
[root@node2 ~]# vim /var/www/html/index.html
<h1>node2</h1>
[root@node3 ~]# vim /var/www/html/index.html
<h1>node3</h1>
测试1：转移运行结点至node3
配置cman/rgmanager（命令行界面，了解）
[root@node1 ~]# ansible ha -m shell -a 'service NetworkManager stop'
[root@node1 ~]# ansible ha -m shell -a 'chkconfig NetworkManager off'
#程序安装
[root@node1 ~]# yum -y install cman rgmanager
[root@node2 ~]# yum -y install cman rgmanager
[root@node3 ~]# yum -y install cman rgmanager
#创建集群
[root@node1 ~]# ccs_tool create tcluster
[root@node1 ~]# cd /etc/cluster/
[root@node1 cluster]# ls
cluster.conf cman-notify.d
[root@node1 cluster]# vim cluster.conf
[root@node1 cluster]# ccs_tool addfence meatware fence-manual
[root@node1 cluster]# ccs_tool lsfence
Name Agent
meatware fence-manual
[root@node1 cluster]# ccs_tool addnode -n 1 -f meatware node1
[root@node1 cluster]# ccs_tool addnode -n 2 -f meatware node2
[root@node1 cluster]# ccs_tool addnode -n 3 -f meatware node3
[root@node1 cluster]# ccs_tool lsnode
Cluster name: tcluster, config_version: 5
Nodename Votes Nodeid Fencetype
node1 1 1 meatware
node2 1 2 meatware
node3 1 3 meatware
[root@node1 ~]# ansible ha -m copy -a 'class="lazy" data-src=/etc/cluster/cluster.conf dest=/etc/cluster/'
#启动cman
[root@node1 cluster]# service cman start
[root@node2 ~]# service cman start
[root@node3 ~]# service cman start
[root@node1 cluster]# clustat
Cluster Status for tcluster @ Fri Oct 14 10:25:14 2016
Member Status: Quorate
Member Name ID Status
------ ---- ---- ------
node1 1 Online, Local
node2 2 Online
node3 3 Online
[root@node1 cluster]# service rgmanager start
[root@node2 ~]# service rgmanager start
[root@node3 ~]# service rgmanager start
[root@node3 cluster]# cman_tool status
Version: 6.2.0
Config Version: 5
Cluster Name: tcluster
Cluster Id: 10646
Cluster Member: Yes
Cluster Generation: 16
Membership state: Cluster-Member
Nodes: 3
Expected votes: 3
Total votes: 3
Node votes: 1
Quorum: 2
Active subsystems: 8
Flags:
Ports Bound: 0 177
Node name: node3
Node ID: 3
Multicast addresses: 239.192.41.191
Node addresses: 192.168.1.153
[root@node1 cluster]# cman_tool nodes
Node Sts Inc Joined Name
1 M 8 2016-10-14 10:23:55 node1
2 M 12 2016-10-14 10:24:04 node2
3 M 16 2016-10-14 10:24:09 node3
[root@node1 cluster]# cman_tool services
fence domain
member count 3
victim count 0
victim now 0
master nodeid 1
wait state none
members 1 2 3
dlm lockspaces
name rgmanager
id 0x5231f3eb
flags 0x00000000
change member 3 joined 1 remove 0 failed 0 seq 3,3
members 1 2 3
[root@node1 cluster]# service ricci start
[root@node2 cluster]# service ricci start
[root@node3 cluster]# service ricci start
[root@node4 ~]# yum -y install luci
[root@node1 cluster]# yum groupinfo "High availability"
Group: High Availability
Description: Infrastructure for highly available services and/or shared storage.
Mandatory Packages:
cman
Default Packages:
ccs
omping
rgmanager
Optional Packages:
cluster-cim
cluster-glue-libs-devel
cluster-snmp
clusterlib-devel
corosynclib-devel
fence-virtd-checkpoint
foghorn
libesmtp-devel
openaislib-devel
pacemaker
pacemaker-doc
pacemaker-libs-devel
pcs
python-repoze-what-quickstart
resource-agents
sbd
[root@node4 ~]# service luci start
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