scan ip的手動切換
檢查RAC的狀態，從狀態資訊可以看到scan_listener 執行在rac-1節點。
[grid@rac-1 ~]$ crsctl stat res -t
--------------------------------------------------------------------------------
NAME TARGET STATE SERVER STATE_DETAILS
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.LISTENER.lsnr
ONLINE ONLINE rac-1
ONLINE ONLINE rac-2
ora.LISTENER_RAC.lsnr
ONLINE ONLINE rac-1
ONLINE ONLINE rac-2
ora.ORADATA.dg
ONLINE ONLINE rac-1
ONLINE ONLINE rac-2
ora.ORC_VOTE.dg
ONLINE ONLINE rac-1
ONLINE ONLINE rac-2
ora.asm
ONLINE ONLINE rac-1 Started
ONLINE ONLINE rac-2 Started
ora.gsd
OFFLINE OFFLINE rac-1
OFFLINE OFFLINE rac-2
ora.net1.network
ONLINE ONLINE rac-1
ONLINE ONLINE rac-2
ora.ons
ONLINE ONLINE rac-1
ONLINE ONLINE rac-2
ora.registry.acfs
OFFLINE OFFLINE rac-1
ONLINE ONLINE rac-2
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
1 ONLINE ONLINE rac-1
ora.cvu
1 ONLINE ONLINE rac-1
ora.oc4j
1 ONLINE ONLINE rac-1
ora.oratest.db
1 ONLINE ONLINE rac-2 Open
2 ONLINE ONLINE rac-1 Open
ora.rac-1.vip
1 ONLINE ONLINE rac-1
ora.rac-2.vip
1 ONLINE ONLINE rac-2
ora.scan1.vip
1 ONLINE ONLINE rac-1
[grid@rac-1 ~]$
進一步確認scan ip 和 scan listener 執行在那個節點
[grid@rac-1 ~]$ srvctl status scan
SCAN VIP scan1 is enabled
SCAN VIP scan1 is running on node rac-1
[grid@rac-1 ~]$ srvctl status scan_listener
SCAN Listener LISTENER_SCAN1 is enabled
SCAN listener LISTENER_SCAN1 is running on node rac-1
從資訊看，scan ip 執行在rac-1 節點。下面手動將scan ip 切換到rac-2 節點
我們將使用srvctl relocate scan_listener命令，下面是這個命令的幫助文件
[grid@rac-1 ~]$ srvctl relocate scan_listener -help
Temporarily relocate SCAN listener from one node of the cluster to another.
Usage: srvctl relocate scan_listener -i <ordinal_number> [-n <node_name>]
-i <scan_ordinal_number> Ordinal number of IP address
-n <node_name> SCAN VIP node name
-h Print usage
[grid@rac-1 ~]$
執行該命令
[grid@rac-1 ~]$ srvctl relocate scan_listener -i 1 -n rac-2
檢查scan ip 資訊，發現scan ip 已經執行在rac-2節點了。
[grid@rac-1 ~]$ srvctl status scan
SCAN VIP scan1 is enabled
SCAN VIP scan1 is running on node rac-2
[grid@rac-1 ~]$ srvctl status scan_listener
SCAN Listener LISTENER_SCAN1 is enabled
SCAN listener LISTENER_SCAN1 is running on node rac-2
[grid@rac-1 ~]$ crsctl stat res -t
--------------------------------------------------------------------------------
NAME TARGET STATE SERVER STATE_DETAILS
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.LISTENER.lsnr
ONLINE ONLINE rac-1
ONLINE ONLINE rac-2
ora.LISTENER_RAC.lsnr
ONLINE ONLINE rac-1
ONLINE ONLINE rac-2
ora.ORADATA.dg
ONLINE ONLINE rac-1
ONLINE ONLINE rac-2
ora.ORC_VOTE.dg
ONLINE ONLINE rac-1
ONLINE ONLINE rac-2
ora.asm
ONLINE ONLINE rac-1 Started
ONLINE ONLINE rac-2 Started
ora.gsd
OFFLINE OFFLINE rac-1
OFFLINE OFFLINE rac-2
ora.net1.network
ONLINE ONLINE rac-1
ONLINE ONLINE rac-2
ora.ons
ONLINE ONLINE rac-1
ONLINE ONLINE rac-2
ora.registry.acfs
OFFLINE OFFLINE rac-1
ONLINE ONLINE rac-2
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
1 ONLINE ONLINE rac-2
ora.cvu
1 ONLINE ONLINE rac-1
ora.oc4j
1 ONLINE ONLINE rac-1
ora.oratest.db
1 ONLINE ONLINE rac-2 Open
2 ONLINE ONLINE rac-1 Open
ora.rac-1.vip
1 ONLINE ONLINE rac-1
ora.rac-2.vip
1 ONLINE ONLINE rac-2
ora.scan1.vip
1 ONLINE ONLINE rac-2
[grid@rac-1 ~]$
來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/31520497/viewspace-2156773/，如需轉載，請註明出處，否則將追究法律責任。
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