Oracle RAC修改public,private,vip scan IP
oracle rac修改IP涉及到OCR,在執行修改前要進行一個備份，這樣即使修改失敗，也能還原回來,如何備份可以參考
實驗環境:redhat 5.4 oracle 10g rac ,oracle 11g rac
原來兩節點rac IP設定如下:
192.168.56.11 jy1
192.168.56.12 jy2
192.168.56.13 jy1-priv
192.168.56.14 jy2-priv
192.168.56.15 jy1-vip
192.168.56.16 jy2-vip
現在修改為
192.168.56.111 jy1
192.168.56.112 jy2
192.168.100.1 jy1-priv
192.168.100.2 jy2-priv
192.168.56.113 jy1-vip
192.168.56.114 jy2-vip
一． 停止oracle相關的所有程式, 包括資料庫, asm, node application, crs
1.1 檢視當前系統上crs執行的狀態
[root@jy1 bin]# cd /u01/app/oracle/product/10.2.0/crs/bin [root@jy1 bin]# pwd /u01/app/oracle/product/10.2.0/crs/bin [root@jy1 bin]# ./crs_stat -t Name Type Target State Host ------------------------------------------------------------ ora....SM1.asm application ONLINE ONLINE jy1 ora....Y1.lsnr application ONLINE ONLINE jy1 ora.jy1.gsd application ONLINE ONLINE jy1 ora.jy1.ons application ONLINE ONLINE jy1 ora.jy1.vip application ONLINE ONLINE jy1 ora....SM2.asm application ONLINE ONLINE jy2 ora....Y2.lsnr application ONLINE ONLINE jy2 ora.jy2.gsd application ONLINE ONLINE jy2 ora.jy2.ons application ONLINE ONLINE jy2 ora.jy2.vip application ONLINE ONLINE jy2 ora.jyrac.db application ONLINE ONLINE jy1 ora....c1.inst application ONLINE ONLINE jy1 ora....c2.inst application ONLINE ONLINE jy2
1.2 關閉資料庫
[root@jy1 bin]# ./srvctl stop database -d jyrac
1.3 關閉asm例項
[root@jy1 bin]# ./srvctl stop asm -n jy1 [root@jy1 bin]# ./srvctl stop asm -n jy2
1.4 關閉其他應用程式
[root@jy1 bin]# ./srvctl stop nodeapps -n jy1 [root@jy1 bin]# ./srvctl stop nodeapps -n jy2
1.5 關閉crs後臺程式, 在作業系統一級中止執行的crs後臺程式, 必須在所有節點上執行.
[root@jy1 bin]# /etc/init.d/init.crs stop Shutting down Oracle Cluster Ready Services (CRS): Stopping resources. Successfully stopped CRS resources Stopping CSSD. Shutting down CSS daemon. Shutdown request successfully issued. Shutdown has begun. The daemons should exit soon. [root@jy2 bin]# /etc/init.d/init.crs stop Shutting down Oracle Cluster Ready Services (CRS): Stopping resources. Successfully stopped CRS resources Stopping CSSD. Shutting down CSS daemon. Shutdown request successfully issued. Shutdown has begun. The daemons should exit soon.
二 修改作業系統的ip設定
2.1 修改 /etc/hosts 檔案。 保持2個節點的一致
[root@jy1 bin]# vi /etc/hosts # Do not remove the following line, or various programs # that require network functionality will fail. 127.0.0.1 jy1 localhost.localdomain localhost ::1 localhost6.localdomain6 localhost6 192.168.56.111 jy1 192.168.56.112 jy2 192.168.100.1 jy1-priv 192.168.100.2 jy2-priv 192.168.56.113 jy1-vip 192.168.56.114 jy2-vip [root@jy2 bin]# vi /etc/hosts # Do not remove the following line, or various programs # that require network functionality will fail. 127.0.0.1 jy2 localhost.localdomain localhost ::1 localhost6.localdomain6 localhost6 192.168.56.111 jy1 192.168.56.112 jy2 192.168.100.1 jy1-priv 192.168.100.2 jy2-priv 192.168.56.113 jy1-vip 192.168.56.114 jy2-vip
2.2 在兩個節點上分別修改eth0和eth1地址：
[root@jy1 bin]# vi /etc/sysconfig/network-scripts/ifcfg-eth0 # Intel Corporation 82540EM Gigabit Ethernet Controller DEVICE=eth0 BOOTPROTO=none ONBOOT=yes HWADDR=08:00:27:54:5a:6a NETMASK=255.255.255.0 IPADDR=192.168.56.111 GATEWAY=192.168.56.1 TYPE=Ethernet USERCTL=no IPV6INIT=no PEERDNS=yes [root@jy2 bin]# vi /etc/sysconfig/network-scripts/ifcfg-eth0 # Intel Corporation 82540EM Gigabit Ethernet Controller DEVICE=eth0 BOOTPROTO=none ONBOOT=yes HWADDR=08:00:27:41:5d:e5 NETMASK=255.255.255.0 IPADDR=192.168.56.112 GATEWAY=192.168.56.1 TYPE=Ethernet USERCTL=no IPV6INIT=no PEERDNS=yes [root@jy1 bin]# vi /etc/sysconfig/network-scripts/ifcfg-eth1 IPADDR=192.168.100.1 # Intel Corporation 82540EM Gigabit Ethernet Controller DEVICE=eth1 BOOTPROTO=none ONBOOT=yes HWADDR=08:00:27:c3:b7:37 NETMASK=255.255.255.0 IPADDR=192.168.100.1 TYPE=Ethernet USERCTL=no IPV6INIT=no PEERDNS=yes [root@jy2 bin]# vi /etc/sysconfig/network-scripts/ifcfg-eth1 GATEWAY=192.168.56.1 # Intel Corporation 82540EM Gigabit Ethernet Controller DEVICE=eth1 BOOTPROTO=none ONBOOT=yes HWADDR=08:00:27:4a:e3:cb TYPE=Ethernet NETMASK=255.255.255.0 IPADDR=192.168.100.2 USERCTL=no IPV6INIT=no PEERDNS=yes
2.3 在兩個節點上分別重啟網路服務，是修改的IP生效
[root@jy1 bin]# service network restart [root@jy2 bin]# service network restart
三 啟動crs, 設定oracle中ip地址相關的設定
3.1 在兩個節點啟動crs, 並關閉隨crs啟動的所有服務
[root@jy1 bin]# /etc/init.d/init.crs start Startup will be queued to init within 90 seconds. [root@jy2 bin]# /etc/init.d/init.crs start Startup will be queued to init within 90 seconds.
由於oracle所有服務設定為自動啟動, 所以在crs啟動時會試圖啟動所有的服務, 但是在對oracle相關的ip地址進行設定時需要crs處於執行狀態. 但是資料庫, asm和node application處於停止狀態, 在一個節點執行以下命令來停止所有服務：
[root@jy1 bin]# ./srvctl stop database -d jyrac [root@jy1 bin]# ./srvctl stop asm -n jy1 [root@jy1 bin]# ./srvctl stop asm -n jy2 [root@jy1 bin]# ./srvctl stop nodeapps -n jy1 [root@jy1 bin]# ./srvctl stop nodeapps -n jy2 [root@jy1 bin]# ./crs_stat -t Name Type Target State Host ------------------------------------------------------------ ora....SM1.asm application OFFLINE OFFLINE ora....Y1.lsnr application OFFLINE OFFLINE ora.jy1.gsd application OFFLINE OFFLINE ora.jy1.ons application OFFLINE OFFLINE ora.jy1.vip application OFFLINE OFFLINE ora....SM2.asm application OFFLINE OFFLINE ora....Y2.lsnr application OFFLINE OFFLINE ora.jy2.gsd application OFFLINE OFFLINE ora.jy2.ons application OFFLINE OFFLINE ora.jy2.vip application OFFLINE OFFLINE ora.jyrac.db application OFFLINE OFFLINE ora....c1.inst application OFFLINE OFFLINE ora....c2.inst application OFFLINE OFFLINE
3.2 使用oifcfg修改網路卡設定, oifconfig可以用來設定和檢視網路卡使用的方式(如果修改的網段相同可以不做這一步)
3.2.1檢視當前配置：
[root@jy1 bin]# ./oifcfg getif -global eth0 192.168.56.0 global public eth1 192.168.56.0 global cluster_interconnect
3.2.2刪除當前配置
[root@jy1 bin]# ./oifcfg delif -global eth0 [root@jy1 bin]# ./oifcfg delif -global eth1 [root@jy1 bin]# ./oifcfg getif
3.2.3重新新增
[root@jy1 bin]# ./oifcfg setif -global eth0/192.168.56.0:public [root@jy1 bin]# ./oifcfg setif -global eth1/192.168.100.0:cluster_interconnect [root@jy1 bin]# ./oifcfg getif eth0 192.168.56.0 global public eth1 192.168.100.0 global cluster_interconnect [root@jy1 bin]# ./oifcfg iflist eth0 192.168.56.0 eth1 192.168.100.0 [root@jy2 bin]# ./oifcfg iflist eth0 192.168.56.0 eth1 192.168.100.0
這裡IP 地址最後一個為0,代表的是一個網段。修改的時候要切記。否在在啟動OCR 時會報如下錯誤：[ CRSOCR][4054413904] OCR context init failure. Error: PROC-44: 網路地址和網路介面操作中出錯 網路地址和網路介面操作錯誤 [7]
3.3 修改VIP
[root@jy1 bin]# ./srvctl modify nodeapps -n jy1 -A 192.168.56.113/255.255.255.0/eth0 [root@jy1 bin]# ./srvctl modify nodeapps -n jy2 -A 192.168.56.114/255.255.255.0/eth0
3.4 設定listener.ora和tnsnames.ora, 檢查這些檔案中是否有指定原來ip的地方,
修改為更改後的ip地址(注意:如果你使用了ocfs，修改ocfs配置檔案(/etc/ocfs/cluster.conf),
驗證修改後是否可用)
在節點jy1上沒有使用原來的固定IP不用修改
[root@jy1 bin]# vi /u01/app/oracle/product/10.2.0/db/network/admin/listener.ora
# listener.ora.jy1 Network Configuration File: /u01/app/oracle/product/10.2.0/db/network/admin/listener.ora.jy1
# Generated by Oracle configuration tools.
LISTENER_JY1 =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = jy1-vip)(PORT = 1521)(IP = FIRST))
)
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 127.0.0.1)(PORT = 1521)(IP = FIRST))
)
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
)
)
)
節點jy2使用了原來的IP192.168.56.12所以將其修改為192.168.56.112
[root@jy2 bin]# cat /u01/app/oracle/product/10.2.0/db/network/admin/listener.ora
# listener.ora.jy2 Network Configuration File: /u01/app/oracle/product/10.2.0/db/network/admin/listener.ora.jy2
# Generated by Oracle configuration tools.
LISTENER_JY2 =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = jy2-vip)(PORT = 1521)(IP = FIRST))
)
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.56.12)(PORT = 1521)(IP = FIRST))
)
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
)
)
)
[root@jy2 bin]# vi /u01/app/oracle/product/10.2.0/db/network/admin/listener.ora
# listener.ora.jy2 Network Configuration File: /u01/app/oracle/product/10.2.0/db/network/admin/listener.ora.jy2
# Generated by Oracle configuration tools.
LISTENER_JY2 =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = jy2-vip)(PORT = 1521)(IP = FIRST))
)
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.56.112)(PORT = 1521)(IP = FIRST))
)
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
)
)
)
3.5 啟動node applications, asm, 資料庫
[root@jy1 bin]# ./srvctl start nodeapps -n jy1
[root@jy1 bin]# ./srvctl start nodeapps -n jy2
[root@jy1 bin]# ./srvctl start asm -n jy1
[root@jy1 bin]# ./srvctl start asm -n jy2
[root@jy1 bin]# ./srvctl start instance -d jyrac -i jyrac1
[root@jy1 bin]# ./srvctl start instance -d jyrac -i jyrac2
[root@jy1 bin]# ./crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora....SM1.asm application ONLINE ONLINE jy1
ora....Y1.lsnr application ONLINE ONLINE jy1
ora.jy1.gsd application ONLINE ONLINE jy1
ora.jy1.ons application ONLINE ONLINE jy1
ora.jy1.vip application ONLINE ONLINE jy1
ora....SM2.asm application ONLINE ONLINE jy2
ora....Y2.lsnr application ONLINE ONLINE jy2
ora.jy2.gsd application ONLINE ONLINE jy2
ora.jy2.ons application ONLINE ONLINE jy2
ora.jy2.vip application ONLINE ONLINE jy2
ora.jyrac.db application ONLINE ONLINE jy2
ora....c1.inst application ONLINE ONLINE jy1
ora....c2.inst application ONLINE ONLINE jy2
3.6 確認IP, 修改完成。
[root@jy1 bin]# ifconfig
eth0 Link encap:Ethernet HWaddr 08:00:27:54:5A:6A
inet addr:192.168.56.111 Bcast:192.168.56.255 Mask:255.255.255.0
inet6 addr: fe80::a00:27ff:fe54:5a6a/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:515539 errors:0 dropped:0 overruns:0 frame:0
TX packets:546714 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:294661949 (281.0 MiB) TX bytes:357427245 (340.8 MiB)
Base address:0xd010 Memory:f0000000-f0020000
eth0:1 Link encap:Ethernet HWaddr 08:00:27:54:5A:6A
inet addr:192.168.56.113 Bcast:192.168.56.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Base address:0xd010 Memory:f0000000-f0020000
eth1 Link encap:Ethernet HWaddr 08:00:27:C3:B7:37
inet addr:192.168.100.1 Bcast:192.168.100.255 Mask:255.255.255.0
inet6 addr: fe80::a00:27ff:fec3:b737/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:21818 errors:0 dropped:0 overruns:0 frame:0
TX packets:32288 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:10823304 (10.3 MiB) TX bytes:26553389 (25.3 MiB)
Base address:0xd240 Memory:f0820000-f0840000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:180050 errors:0 dropped:0 overruns:0 frame:0
TX packets:180050 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:57676272 (55.0 MiB) TX bytes:57676272 (55.0 MiB)
[root@jy2 bin]# ifconfig
eth0 Link encap:Ethernet HWaddr 08:00:27:41:5D:E5
inet addr:192.168.56.112 Bcast:192.168.56.255 Mask:255.255.255.0
inet6 addr: fe80::a00:27ff:fe41:5de5/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:545442 errors:0 dropped:0 overruns:0 frame:0
TX packets:514967 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:356961066 (340.4 MiB) TX bytes:295147830 (281.4 MiB)
Base address:0xd010 Memory:f0000000-f0020000
eth0:1 Link encap:Ethernet HWaddr 08:00:27:41:5D:E5
inet addr:192.168.56.114 Bcast:192.168.56.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Base address:0xd010 Memory:f0000000-f0020000
eth1 Link encap:Ethernet HWaddr 08:00:27:4A:E3:CB
inet addr:192.168.100.2 Bcast:192.168.100.255 Mask:255.255.255.0
inet6 addr: fe80::a00:27ff:fe4a:e3cb/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:32190 errors:0 dropped:0 overruns:0 frame:0
TX packets:21813 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:26535297 (25.3 MiB) TX bytes:10821634 (10.3 MiB)
Base address:0xd240 Memory:f0820000-f0840000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:163867 errors:0 dropped:0 overruns:0 frame:0
TX packets:163867 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:30461066 (29.0 MiB) TX bytes:30461066 (29.0 MiB)
從輸出結果可知修改成功.
四 修改oracle 11g rac的scan IP,我這裡沒有使用DNS，只設定了一個scan IP:10.138.130.155現將其修改為10.138.130.159（因為11g rac修改public,private,vip IP與上面10g rac一樣不再說明）
root@jyrac1 ~]# cat /etc/hosts 10.138.130.151 jyrac1 10.138.130.152 jyrac2 10.10.10.1 jyrac1-priv 10.10.10.2 jyrac2-priv 10.138.130.153 jyrac1-vip 10.138.130.154 jyrac2-vip 10.138.130.155 jyrac-scan
4.1在所有節點中 /etc/hosts 檔案中修改 scan 對應的ip
[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 10.10.10.1 jyrac1-priv 10.10.10.2 jyrac2-priv 10.138.130.153 jyrac1-vip 10.138.130.154 jyrac2-vip 10.138.130.159 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 10.10.10.1 jyrac1-priv 10.10.10.2 jyrac2-priv 10.138.130.153 jyrac1-vip 10.138.130.154 jyrac2-vip 10.138.130.159 jyrac-scan
4.2 檢視scan IP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
4.3 停止scan_listener ，scan 應用
[grid@jyrac2 ~]$ srvctl stop scan_listener [grid@jyrac2 ~]$ srvctl stop scan
4.4 確認 scan_listener,scan 的狀態
[grid@jyrac1 ~]$ srvctl status scan_listener SCAN Listener LISTENER_SCAN1 is enabled SCAN listener LISTENER_SCAN1 is not running [grid@jyrac1 ~]$ srvctl status scan SCAN VIP scan1 is enabled SCAN VIP scan1 is not running [grid@jyrac1 ~]$ crs_stat -t | grep scan ora.scan1.vip ora....ip.type OFFLINE OFFLINE [grid@jyrac1 ~]$ crs_stat -t | grep lsnr ora....ER.lsnr ora....er.type ONLINE ONLINE jyrac1 ora....N1.lsnr ora....er.type OFFLINE OFFLINE ora....C1.lsnr application ONLINE ONLINE jyrac1 ora....C2.lsnr application ONLINE ONLINE jyrac2
4.5 修改scan 名稱
[grid@jyrac1 ~]$ srvctl modify scan -h
Modifies the SCAN name.
Usage: srvctl modify scan -n
-n Domain name qualified SCAN name 域名限定的 SCAN 名
-h Print usage 輸出幫助資訊
grid 使用者無權更改scan ip，必須使用root許可權
[grid@jyrac2 ~]$ srvctl modify scan -n jyrac-scan PRCS-1034 : Failed to modify Single Client Access Name jyrac-scan PRCR-1071 : Failed to register or update resource type ora.scan_vip.type CRS-0245: User doesn't have enough privilege to perform the operation [root@jyrac1 bin]# cd /u01/app/product/11.2.0/crs/bin [root@jyrac1 bin]# pwd /u01/app/product/11.2.0/crs/bin [root@jyrac1 bin]# ./srvctl modify scan -n jyrac-scan
4.6 變更後，進行確認
[root@jyrac1 bin]# ./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/10.138.130.159
4.7 重新啟動scan，scan_listener
[grid@jyrac1 ~]$ srvctl start scan [grid@jyrac1 ~]$ srvctl start scan_listener
4.8 確認scan 和scan_listener.ora的狀態
[grid@jyrac1 ~]$ crs_stat -t | grep scan ora.scan1.vip ora....ip.type ONLINE ONLINE jyrac1 [grid@jyrac1 ~]$ crs_stat -t | grep lsnr ora....ER.lsnr ora....er.type ONLINE ONLINE jyrac1 ora....N1.lsnr ora....er.type ONLINE ONLINE jyrac1 ora....C1.lsnr application ONLINE ONLINE jyrac1 ora....C2.lsnr application ONLINE ONLINE jyrac2
4.9 進行ping測試
[grid@jyrac2 ~]$ ping 10.138.130.159 PING 10.138.130.159 (10.138.130.159) 56(84) bytes of data. 64 bytes from 10.138.130.159: icmp_seq=1 ttl=64 time=1.88 ms 64 bytes from 10.138.130.159: icmp_seq=2 ttl=64 time=0.166 ms
修改scan IP與修改private ip ，vip 不一樣，修改scan ip 無需停止資料庫例項，asm 或者重啟crs比較簡單
來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/26015009/viewspace-1337049/，如需轉載，請註明出處，否則將追究法律責任。
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