@ 檢查 HA 的服務狀態 clustat
# clustat
Cluster Status for a_Cluster @ Wed Dec 14 11:54:11 2017
Member Status: Quorate
Member Name ID Status
------ ---- ---- ------
node1 1 Online, Local, rgmanager
node2 2 Online, rgmanager
Service Name Owner (Last) State
------- ---- ----- ------ -----
service:a_Service node1 started
說明:Member Name 和 Service Name 分別與文件/etc/cluster/cluster.conf中的標籤clusternode、標籤service對應
<clusternodes>
<clusternode name="node1" nodeid="1">
<fence>
<method name="ilo">
<device name="node1"/>
</method>
</fence>
</clusternode>
<clusternode name="node2" nodeid="2">
<fence>
<method name="ilo">
<device name="ilo_node2"/>
</method>
</fence>
</clusternode>
</clusternodes>
...
<service domain="xxdomain" name="a_Service" recovery="relocate">
...
</service>
以下命令中,
ServiceName:表示集羣中創建的應用服務名稱。
nodeName:表示集羣節點名稱。
@ HA手工切換
clusvcadm -r <Service Name> -m <node Name>
@啓動集羣(主服務器上執行)
clusvcadm -e <Service Name> -m <Node Name>
@停止集羣(主服務器上執行)
clusvcadm -s <Service Name> -m <Node Name>
@重啓集羣(主服務器上執行)
clusvcadm -R <Service Name> -m <Node Name>
@凍結(主服務器上需要重啓服務,凍結可避免觸發切換)
clusvcadm -Z <Service Name>
@解凍
clusvcadm -U <Service Name>