redhat linux 11.2 rac grid infrastructure add scan ip
由於客戶想要在新的生產環境中仍然使用原來的虛擬IP，所以當資料從原資料遷移到新的rac環境中後，我們需要修改虛擬IP，但原來是個單例項使用兩上虛擬IP地址，現在是一個RAC資料庫，如果是修改RAC的虛擬IP，那麼不能做負載均衡，每次都連線到的是一個節點，由於SCAN IP使用/etc/hosts方式建立並且在安裝生產環境時只指定了一個IP地址(10.138.130.155)，所以這裡需要透過增加SCAN IP地址(10.138.130.156/157)的方式來解決。
檢查現在/etc/hosts配置:
[root@jyrac1 ~]# cat /etc/hosts # Do not remove the following line, or various programs # that require network functionality will fail. 127.0.0.1 jyrac1 localhost.localdomain localhost ::1 localhost6.localdomain6 localhost6 10.138.130.151 jyrac1 10.138.130.152 jyrac2 10.138.130.153 jyrac1-vip 10.138.130.154 jyrac2-vip 10.10.10.1 jyrac1-priv 10.10.10.2 jyrac2-priv 10.138.130.155 jyrac-scan
檢視scan ip所在節點，發現scan ip是在節點jyrac1上
[grid@jyrac1 ~]$ crsctl stat res -t
--------------------------------------------------------------------------------
NAME TARGET STATE SERVER STATE_DETAILS
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.ARCHDG.dg
ONLINE ONLINE jyrac1
ONLINE ONLINE jyrac2
ora.CRSDG.dg
ONLINE ONLINE jyrac1
ONLINE ONLINE jyrac2
ora.DATADG.dg
ONLINE ONLINE jyrac1
ONLINE ONLINE jyrac2
ora.LISTENER.lsnr
ONLINE ONLINE jyrac1
ONLINE ONLINE jyrac2
ora.asm
ONLINE ONLINE jyrac1 Started
ONLINE ONLINE jyrac2 Started
ora.gsd
OFFLINE OFFLINE jyrac1
OFFLINE OFFLINE jyrac2
ora.net1.network
ONLINE ONLINE jyrac1
ONLINE ONLINE jyrac2
ora.ons
ONLINE ONLINE jyrac1
ONLINE ONLINE jyrac2
ora.registry.acfs
ONLINE ONLINE jyrac1
ONLINE ONLINE jyrac2
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
1 ONLINE ONLINE jyrac1
ora.cvu
1 ONLINE ONLINE jyrac1
ora.jyrac.db
1 ONLINE ONLINE jyrac1 Open
2 ONLINE ONLINE jyrac2 Open
ora.jyrac1.vip
1 ONLINE ONLINE jyrac1
ora.jyrac2.vip
1 ONLINE ONLINE jyrac2
ora.oc4j
1 ONLINE ONLINE jyrac1
ora.scan1.vip
1 ONLINE ONLINE jyrac1
檢視scan ip所在的網路卡，發現在eth0上
[root@jyrac1 ~]# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:50:56:B1:00:FD
inet addr:10.138.130.151 Bcast:10.138.130.255 Mask:255.255.255.0
inet6 addr: fe80::250:56ff:feb1:fd/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1077473 errors:0 dropped:0 overruns:0 frame:0
TX packets:9663995 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:103934930 (99.1 MiB) TX bytes:14096320534 (13.1 GiB)
Base address:0x2800 Memory:fd5c0000-fd5e0000
eth0:1 Link encap:Ethernet HWaddr 00:50:56:B1:00:FD
inet addr:10.138.130.153 Bcast:10.138.130.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Base address:0x2800 Memory:fd5c0000-fd5e0000
eth0:2 Link encap:Ethernet HWaddr 00:50:56:B1:00:FD
inet addr:10.138.130.155 Bcast:10.138.130.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Base address:0x2800 Memory:fd5c0000-fd5e0000
eth1 Link encap:Ethernet HWaddr 00:50:56:B1:B6:3C
inet addr:10.10.10.1 Bcast:10.10.10.255 Mask:255.255.255.0
inet6 addr: fe80::250:56ff:feb1:b63c/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:371756 errors:0 dropped:0 overruns:0 frame:0
TX packets:290401 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:193253619 (184.3 MiB) TX bytes:185131607 (176.5 MiB)
Base address:0x2840 Memory:fd5a0000-fd5c0000
eth1:1 Link encap:Ethernet HWaddr 00:50:56:B1:B6:3C
inet addr:169.254.202.209 Bcast:169.254.255.255 Mask:255.255.0.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Base address:0x2840 Memory:fd5a0000-fd5c0000
檢查scan的配置資訊
[grid@jyrac1 ~]$ srvctl config scan SCAN name: jyrac-scan, Network: 1/10.138.130.0/255.255.255.0/eth0 SCAN VIP name: scan1, IP: /jyrac-scan/10.138.130.155
檢查scan listener狀態
[grid@jyrac1 ~]$ srvctl status scan_listener SCAN Listener LISTENER_SCAN1 is enabled SCAN listener LISTENER_SCAN1 is running on node jyrac1
關閉scan listener
[grid@jyrac1 ~]$ srvctl stop scan_listener
關閉scan
[grid@jyrac1 ~]$ srvctl stop scan [grid@jyrac1 ~]$ srvctl status scan_listener SCAN Listener LISTENER_SCAN1 is enabled SCAN listener LISTENER_SCAN1 is not running
修改各節點的/etc/hosts檔案增加兩個scan ip地址
[root@jyrac1 ~]# vi /etc/hosts # Do not remove the following line, or various programs # that require network functionality will fail. 127.0.0.1 jyrac1 localhost.localdomain localhost ::1 localhost6.localdomain6 localhost6 10.138.130.151 jyrac1 10.138.130.152 jyrac2 10.138.130.153 jyrac1-vip 10.138.130.154 jyrac2-vip 10.10.10.1 jyrac1-priv 10.10.10.2 jyrac2-priv 10.138.130.155 jyrac-scan 10.138.130.156 jyrac-scan 10.138.130.157 jyrac-scan [root@jyrac2 /]# vi /etc/hosts # Do not remove the following line, or various programs # that require network functionality will fail. 127.0.0.1 jyrac2 localhost.localdomain localhost ::1 localhost6.localdomain6 localhost6 10.138.130.151 jyrac1 10.138.130.152 jyrac2 10.138.130.153 jyrac1-vip 10.138.130.154 jyrac2-vip 10.10.10.1 jyrac1-priv 10.10.10.2 jyrac2-priv 10.138.130.155 jyrac-scan 10.138.130.156 jyrac-scan 10.138.130.157 jyrac-scan
修改scan配置，但一定要用root使用者來執行
[root@jyrac1 ~]# cd /u01/app/product/11.2.0/crs/bin [root@jyrac1 bin]# ./srvctl modify scan -n jyrac-scan
檢查scan配置
[grid@jyrac1 ~]$ srvctl config scan SCAN name: jyrac-scan, Network: 1/10.138.130.0/255.255.255.0/eth0 SCAN VIP name: scan1, IP: /jyrac-scan/10.138.130.155
對於/etc/hosts檔案解析scan ip,因為不能做輪訓的負載均衡，所以這時候scan ip就只能有一個了
但是在oracle linux 6.4中確會顯示所有scan ip,例如:
[root@db1 ~]# cd /u01/app/11.2.0/grid/bin [root@db1 bin]# ./srvctl modify scan -n scan-ip [grid@db1 bin]$ srvctl config scan SCAN name: scan-ip, Network: 1/10.138.129.0/255.255.255.0/eth2 SCAN VIP name: scan1, IP: /scan-ip/10.138.129.105 SCAN VIP name: scan2, IP: /scan-ip/10.138.129.120 SCAN VIP name: scan3, IP: /scan-ip/10.138.129.121
具體操作請見:
重啟scan ,scan listener
[grid@jyrac1 ~]$ crsctl stat res -t
--------------------------------------------------------------------------------
NAME TARGET STATE SERVER STATE_DETAILS
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.ARCHDG.dg
ONLINE ONLINE jyrac1
ONLINE ONLINE jyrac2
ora.CRSDG.dg
ONLINE ONLINE jyrac1
ONLINE ONLINE jyrac2
ora.DATADG.dg
ONLINE ONLINE jyrac1
ONLINE ONLINE jyrac2
ora.LISTENER.lsnr
ONLINE ONLINE jyrac1
ONLINE ONLINE jyrac2
ora.asm
ONLINE ONLINE jyrac1 Started
ONLINE ONLINE jyrac2 Started
ora.gsd
OFFLINE OFFLINE jyrac1
OFFLINE OFFLINE jyrac2
ora.net1.network
ONLINE ONLINE jyrac1
ONLINE ONLINE jyrac2
ora.ons
ONLINE ONLINE jyrac1
ONLINE ONLINE jyrac2
ora.registry.acfs
ONLINE ONLINE jyrac1
ONLINE ONLINE jyrac2
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
1 ONLINE ONLINE jyrac2
ora.cvu
1 ONLINE ONLINE jyrac1
ora.jyrac.db
1 ONLINE ONLINE jyrac1 Open
2 ONLINE ONLINE jyrac2 Open
ora.jyrac1.vip
1 ONLINE ONLINE jyrac1
ora.jyrac2.vip
1 ONLINE ONLINE jyrac2
ora.oc4j
1 ONLINE ONLINE jyrac1
ora.scan1.vip
1 ONLINE ONLINE jyrac2
手動增加scan ip
[root@jyrac1 bin]# ./crsctl stat res ora.scan1.vip -p > /tmp/2.txt [root@jyrac1 bin]# ./crsctl stat res ora.scan1.vip -p > /tmp/3.txt [root@jyrac1 bin]# vi /tmp/2.txt NAME=ora.scan2.vip TYPE=ora.scan_vip.type ACL=owner:root:rwx,pgrp:root:r-x,other::r--,group:oinstall:r-x,user:grid:r-x ACTION_FAILURE_TEMPLATE= ACTION_SCRIPT= ACTIVE_PLACEMENT=1 AGENT_FILENAME=%CRS_HOME%/bin/orarootagent%CRS_EXE_SUFFIX% AUTO_START=restore CARDINALITY=1 CHECK_INTERVAL=1 CHECK_TIMEOUT=120 DEFAULT_TEMPLATE=PROPERTY(RESOURCE_CLASS=scan_vip) ELEMENT(HOSTING_MEMBERS=%HOSTING_MEMBERS%) DEGREE=1 DESCRIPTION=Oracle SCAN VIP resource ENABLED=1 FAILOVER_DELAY=0 FAILURE_INTERVAL=0 FAILURE_THRESHOLD=0 GEN_USR_ORA_STATIC_VIP= GEN_USR_ORA_VIP= HOSTING_MEMBERS= LOAD=1 LOGGING_LEVEL=1 NLS_LANG= NOT_RESTARTING_TEMPLATE= OFFLINE_CHECK_INTERVAL=0 PLACEMENT=balanced PROFILE_CHANGE_TEMPLATE= RESTART_ATTEMPTS=0 SCAN_NAME=jyrac-scan SCRIPT_TIMEOUT=60 SERVER_POOLS=* START_DEPENDENCIES=hard(ora.net1.network) dispersion:active(type:ora.scan_vip.type) pullup(global:ora.net1.network) START_TIMEOUT=120 STATE_CHANGE_TEMPLATE= STOP_DEPENDENCIES=hard(intermediate:ora.net1.network) STOP_TIMEOUT=0 TYPE_VERSION=1.1 UPTIME_THRESHOLD=1h USR_ORA_ENV= USR_ORA_VIP=10.138.130.156 VERSION=11.2.0.4.0 ~ "/tmp/2.txt" 43L, 1092C written [root@jyrac1 bin]# ./crsctl add resource ora.scan2.vip -type ora.scan_vip.type -file /tmp/2.txt [root@jyrac1 bin]# vi /tmp/3.txt NAME=ora.scan3.vip TYPE=ora.scan_vip.type ACL=owner:root:rwx,pgrp:root:r-x,other::r--,group:oinstall:r-x,user:grid:r-x ACTION_FAILURE_TEMPLATE= ACTION_SCRIPT= ACTIVE_PLACEMENT=1 AGENT_FILENAME=%CRS_HOME%/bin/orarootagent%CRS_EXE_SUFFIX% AUTO_START=restore CARDINALITY=1 CHECK_INTERVAL=1 CHECK_TIMEOUT=120 DEFAULT_TEMPLATE=PROPERTY(RESOURCE_CLASS=scan_vip) ELEMENT(HOSTING_MEMBERS=%HOSTING_MEMBERS%) DEGREE=1 DESCRIPTION=Oracle SCAN VIP resource ENABLED=1 FAILOVER_DELAY=0 FAILURE_INTERVAL=0 FAILURE_THRESHOLD=0 GEN_USR_ORA_STATIC_VIP= GEN_USR_ORA_VIP= HOSTING_MEMBERS= LOAD=1 LOGGING_LEVEL=1 NLS_LANG= NOT_RESTARTING_TEMPLATE= OFFLINE_CHECK_INTERVAL=0 PLACEMENT=balanced PROFILE_CHANGE_TEMPLATE= RESTART_ATTEMPTS=0 SCAN_NAME=jyrac-scan SCRIPT_TIMEOUT=60 SERVER_POOLS=* START_DEPENDENCIES=hard(ora.net1.network) dispersion:active(type:ora.scan_vip.type) pullup(global:ora.net1.network) START_TIMEOUT=120 STATE_CHANGE_TEMPLATE= STOP_DEPENDENCIES=hard(intermediate:ora.net1.network) STOP_TIMEOUT=0 TYPE_VERSION=1.1 UPTIME_THRESHOLD=1h USR_ORA_ENV= USR_ORA_VIP=10.138.130.157 VERSION=11.2.0.4.0 ~ "/tmp/3.txt" 43L, 1092C written [root@jyrac1 bin]# ./crsctl add resource ora.scan2.vip -type ora.scan_vip.type -file /tmp/2.txt [root@jyrac1 bin]# ./crsctl add resource ora.scan3.vip -type ora.scan_vip.type -file /tmp/3.txt
手動增加scan listener
[root@jyrac1 bin]# ./crsctl stat res ora.LISTENER_SCAN1.lsnr -p > /tmp/l_2.txt [root@jyrac1 bin]# ./crsctl stat res ora.LISTENER_SCAN1.lsnr -p > /tmp/l_3.txt [root@jyrac1 bin]# vi /tmp/l_3.txt NAME=ora.LISTENER_SCAN3.lsnr TYPE=ora.scan_listener.type ACL=owner:grid:rwx,pgrp:oinstall:r-x,other::r-- ACTION_FAILURE_TEMPLATE= ACTION_SCRIPT= ACTIVE_PLACEMENT=1 AGENT_FILENAME=%CRS_HOME%/bin/oraagent%CRS_EXE_SUFFIX% AUTO_START=restore CARDINALITY=1 CHECK_INTERVAL=60 CHECK_TIMEOUT=120 DEFAULT_TEMPLATE=PROPERTY(RESOURCE_CLASS=scan_listener) PROPERTY(LISTENER_NAME=PARSE(%NAME%, ., 2)) DEGREE=1 DESCRIPTION=Oracle SCAN listener resource ENABLED=1 ENDPOINTS=TCP:1521 FAILOVER_DELAY=0 FAILURE_INTERVAL=0 FAILURE_THRESHOLD=0 HOSTING_MEMBERS= LOAD=1 LOGGING_LEVEL=1 NLS_LANG= NOT_RESTARTING_TEMPLATE= OFFLINE_CHECK_INTERVAL=0 PLACEMENT=balanced PORT=1521 PROFILE_CHANGE_TEMPLATE= REGISTRATION_INVITED_NODES= REGISTRATION_INVITED_SUBNETS= RESTART_ATTEMPTS=5 SCRIPT_TIMEOUT=60 SERVER_POOLS=* START_DEPENDENCIES=hard(ora.scan3.vip) dispersion:active(type:ora.scan_listener.type) pullup(ora.scan3.vip) START_TIMEOUT=180 STATE_CHANGE_TEMPLATE= STOP_DEPENDENCIES=hard(intermediate:ora.scan3.vip) STOP_TIMEOUT=0 TYPE_VERSION=2.2 UPTIME_THRESHOLD=1d USR_ORA_ENV= USR_ORA_OPI=false VERSION=11.2.0.4.0 "/tmp/l_3.txt" 44L, 1091C written [root@jyrac1 bin]# vi /tmp/l_2.txt NAME=ora.LISTENER_SCAN2.lsnr TYPE=ora.scan_listener.type ACL=owner:grid:rwx,pgrp:oinstall:r-x,other::r-- ACTION_FAILURE_TEMPLATE= ACTION_SCRIPT= ACTIVE_PLACEMENT=1 AGENT_FILENAME=%CRS_HOME%/bin/oraagent%CRS_EXE_SUFFIX% AUTO_START=restore CARDINALITY=1 CHECK_INTERVAL=60 CHECK_TIMEOUT=120 DEFAULT_TEMPLATE=PROPERTY(RESOURCE_CLASS=scan_listener) PROPERTY(LISTENER_NAME=PARSE(%NAME%, ., 2)) DEGREE=1 DESCRIPTION=Oracle SCAN listener resource ENABLED=1 ENDPOINTS=TCP:1521 FAILOVER_DELAY=0 FAILURE_INTERVAL=0 FAILURE_THRESHOLD=0 HOSTING_MEMBERS= LOAD=1 LOGGING_LEVEL=1 NLS_LANG= NOT_RESTARTING_TEMPLATE= OFFLINE_CHECK_INTERVAL=0 PLACEMENT=balanced PORT=1521 PROFILE_CHANGE_TEMPLATE= REGISTRATION_INVITED_NODES= REGISTRATION_INVITED_SUBNETS= RESTART_ATTEMPTS=5 SCRIPT_TIMEOUT=60 SERVER_POOLS=* START_DEPENDENCIES=hard(ora.scan2.vip) dispersion:active(type:ora.scan_listener.type) pullup(ora.scan2.vip) START_TIMEOUT=180 STATE_CHANGE_TEMPLATE= STOP_DEPENDENCIES=hard(intermediate:ora.scan2.vip) STOP_TIMEOUT=0 TYPE_VERSION=2.2 UPTIME_THRESHOLD=1d USR_ORA_ENV= USR_ORA_OPI=false VERSION=11.2.0.4.0 "/tmp/l_2.txt" 44L, 1091C written [root@jyrac1 bin]# ./crsctl add resource ora.LISTENER_SCAN2.lsnr -type ora.scan_listener.type -file /tmp/l_2.txt [root@jyrac1 bin]# ./crsctl add resource ora.LISTENER_SCAN3.lsnr -type ora.scan_listener.type -file /tmp/l_3.txt
使用增加的scan ip連線資料庫,登入不了資料庫
C:\Users\Administrator>sqlplus "system/system"@10.138.130.156:1521/jyrac SQL*Plus: Release 11.2.0.4.0 Production on 星期二 11月 22 22:18:58 2016 Copyright (c) 1982, 2013, Oracle. All rights reserved. ERROR: ORA-12514: TNS: 監聽程式當前無法識別連線描述符中請求的服務 請輸入使用者名稱: ERROR: ORA-12560: TNS: 協議介面卡錯誤 請輸入使用者名稱: ERROR: ORA-12560: TNS: 協議介面卡錯誤 SP2-0157: 在 3 次嘗試之後無法連線到 ORACLE, 退出 SQL*Plus C:\Users\Administrator>
修改rac所有資料庫例項中的listener_networks引數
SQL> alter system set LISTENER_NETWORKS='((NAME=network1)(LOCAL_LISTENER=10.138.130.153:1521)(REMOTE_LISTENER=10.138.130.155:1521))','((NAME=network2)(LOCAL_LISTENER=10.138.130.153:1521)(REMOTE_LISTENER=10.138.130.156:1521))','((NAME=network3)(LOCAL_LISTENER=10.138.130.153:1521)(REMOTE_LISTENER=10.138.130.157:1521))' sid='jyrac1';
System altered.
SQL> alter system set LISTENER_NETWORKS='((NAME=network1)(LOCAL_LISTENER=10.138.130.154:1521)(REMOTE_LISTENER=10.138.130.155:1521))','((NAME=network2)(LOCAL_LISTENER=10.138.130.154:1521)(REMOTE_LISTENER=10.138.130.156:1521))','((NAME=network3)(LOCAL_LISTENER=10.138.130.154:1521)(REMOTE_LISTENER=10.138.130.157:1521))' sid='jyrac2';
System altered.
SQL> show parameter listener
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
listener_networks string ((NAME=network1)(LOCAL_LISTENE
R=10.138.130.152:1521)(REMOTE_
LISTENER=10.138.130.155:1521))
, ((NAME=network2)(LOCAL_LISTE
NER=10.138.130.152:1521)(REMOT
E_LISTENER=10.138.130.156:1521
)), ((NAME=network3)(LOCAL_LIS
TENER=10.138.130.152:1521)(REM
OTE_LISTENER=10.138.130.157:15
21))
local_listener string (ADDRESS=(PROTOCOL=TCP)(HOST=
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
10.138.130.153)(PORT=1521))
remote_listener string jyrac-scan:1521
再次使用增加的scan ip連線資料庫，成功登入
C:\Users\Administrator>sqlplus "system/system"@10.138.130.156:1521/jyrac SQL*Plus: Release 11.2.0.4.0 Production on 星期二 11月 22 22:25:24 2016 Copyright (c) 1982, 2013, Oracle. All rights reserved. 連線到: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP, Data Mining and Real Application Testing options SQL> exit 從 Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP, Data Mining and Real Application Testing options 斷開 C:\Users\Administrator>sqlplus "system/system"@10.138.130.157:1521/jyrac SQL*Plus: Release 11.2.0.4.0 Production on 星期二 11月 22 22:25:36 2016 Copyright (c) 1982, 2013, Oracle. All rights reserved. 連線到: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP, Data Mining and Real Application Testing options SQL>
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