oracle 11gR2 rac scan ip 配置(DNS模式)

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oracle 11gR2 rac scan ip 配置(DNS模式)

oracle 11gR2 grid的集群,scan ip 采用的是DNS模式,安装完成后
状态如下:
[grid@rac1 bin]$ ./crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora.DATA.dg ora....up.type ONLINE ONLINE rac1
ora....ER.lsnr ora....er.type ONLINE ONLINE rac1
ora....N1.lsnr ora....er.type ONLINE ONLINE rac2
ora....N2.lsnr ora....er.type ONLINE ONLINE rac1
ora....N3.lsnr ora....er.type ONLINE ONLINE rac1
ora.asm ora.asm.type ONLINE ONLINE rac1
ora.eons ora.eons.type ONLINE ONLINE rac1
ora.gsd ora.gsd.type OFFLINE OFFLINE
ora....network ora....rk.type ONLINE ONLINE rac1
ora.oc4j ora.oc4j.type OFFLINE OFFLINE
ora.ons ora.ons.type ONLINE ONLINE rac1
ora....SM1.asm application ONLINE ONLINE rac1
ora....C1.lsnr application ONLINE ONLINE rac1
ora.rac1.gsd application OFFLINE OFFLINE
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip ora....t1.type ONLINE ONLINE rac1
ora....SM2.asm application ONLINE ONLINE rac2
ora....C2.lsnr application ONLINE ONLINE rac2
ora.rac2.gsd application OFFLINE OFFLINE
ora.rac2.ons application ONLINE ONLINE rac2
ora.rac2.vip ora....t1.type ONLINE ONLINE rac2
ora....ry.acfs ora....fs.type ONLINE ONLINE rac1
ora.scan1.vip ora....ip.type ONLINE ONLINE rac2
ora.scan2.vip ora....ip.type ONLINE ONLINE rac1
ora.scan3.vip ora....ip.type ONLINE ONLINE rac1
[grid@rac1 bin]$

[root@rac2 oraInventory]# ps -ef|grep tns
grid 17073 1 0 18:07 ? 00:00:00 /u01/app/11.2.0/grid/bin/tnslsnr LISTENER_SCAN1 -inherit
grid 17654 1 0 18:10 ? 00:00:00 /u01/app/11.2.0/grid/bin/tnslsnr LISTENER -inherit
root 18842 8996 0 18:18 pts/3 00:00:00 grep tns
[root@rac2 oraInventory]#

[root@rac1 logs]# ps -ef|grep tns
grid 9612 1 0 18:02 ? 00:00:00 /u01/app/11.2.0/grid/bin/tnslsnr LISTENER_SCAN2 -inherit
grid 9624 1 0 18:02 ? 00:00:00 /u01/app/11.2.0/grid/bin/tnslsnr LISTENER_SCAN3 -inherit
grid 10355 1 0 18:09 ? 00:00:00 /u01/app/11.2.0/grid/bin/tnslsnr LISTENER -inherit
root 11822 31363 0 18:23 pts/2 00:00:00 grep tns

[root@rac1 logs]#
可以看到两个节点当中,一个节点有两个scan ip,一个节点只有1个scan ip
节点1 ip地址如下:
[root@rac1 logs]# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:14:5E:69:75:94
inet addr:192.168.3.227 Bcast:192.168.3.255 Mask:255.255.255.0
inet6 addr: fe80::214:5eff:fe69:7594/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1752657 errors:0 dropped:0 overruns:0 frame.:0
TX packets:3041821 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:376820166 (359.3 MiB) TX bytes:4196605342 (3.9 GiB)
Interrupt:169
eth0:1 Link encap:Ethernet HWaddr 00:14:5E:69:75:94
inet addr:192.168.3.229 Bcast:192.168.3.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:169
eth0:3 Link encap:Ethernet HWaddr 00:14:5E:69:75:94
inet addr:192.168.3.233 Bcast:192.168.3.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:169
eth0:4 Link encap:Ethernet HWaddr 00:14:5E:69:75:94
inet addr:192.168.3.232 Bcast:192.168.3.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:169
节点2 ip地址如下:
[root@rac2 oraInventory]# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:13:21:64:CA:E9
inet addr:192.168.3.228 Bcast:192.168.3.255 Mask:255.255.255.0
inet6 addr: fe80::213:21ff:fe64:cae9/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2593442 errors:0 dropped:0 overruns:0 frame.:0
TX packets:1319323 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3798507464 (3.5 GiB) TX bytes:101990445 (97.2 MiB)
Interrupt:98
eth0:1 Link encap:Ethernet HWaddr 00:13:21:64:CA:E9
inet addr:192.168.3.231 Bcast:192.168.3.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:98
eth0:2 Link encap:Ethernet HWaddr 00:13:21:64:CA:E9
inet addr:192.168.3.230 Bcast:192.168.3.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:98

[root@rac2 oraInventory]# nslookup racnode-cluster-scan.racnode.com
Server: 192.168.3.32
Address: 192.168.3.32#53
Name: racnode-cluster-scan.racnode.com
Address: 192.168.3.232
Name: racnode-cluster-scan.racnode.com
Address: 192.168.3.233
Name: racnode-cluster-scan.racnode.com
Address: 192.168.3.231
[root@rac2 oraInventory]#

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