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oracle 10G RAC之VIP探讨(1)

王朝oracle·作者佚名  2008-05-31
窄屏简体版  字體: |||超大  

1.测试环境

two nodes RAC in vmware gsx2.1 for Linux

系统环境:Redhat Enterprise Linux AD 3 Update 2(kernel:2.4.21-15.EL)

Oracle环境: oracle 10.0.2 for linux x86

网络环境:

node public network private network VIP network

node1 192.168.0.61 192.168.1.1 192.168.0.60

node2 192.168.0.62 192.168.1.2 192.168.0.59

节点 hosts files

#cat /etc/hosts

# Do not remove the following line, or various programs

# that require network functionality will fail.

127.0.0.1 localhost.localdomain localhost

192.168.0.61 DB1PUB DB1PUB.SHIMU.COM.CN

192.168.0.62 DB2PUB DB2PUB.SHIMU.COM.CN

192.168.0.60 VIPDB.SHIMU.COM.CN

192.168.0.59 VIPDB2.SHIMU.COM.CN

192.168.1.1 DB1

192.168.1.2 DB2

instance: RAC1 ,RAC2

service : RAC.SHIMU.COM.CN

2.网络环境研究

正常的两nodes的10G RAC网络环境应该是有6个ip(除了loopback),每个机器包括3个ip其正常的运行环境的网络环境

通过ifconfig 得到网络环境

node1:

[root@DB1PUB root]# ifconfig -a

eth0 Link encap:Ethernet HWaddr 00:50:56:40:00:7A

inet addr:192.168.0.61 Bcast:192.168.0.255 Mask:255.255.255.0

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:43817 errors:0 dropped:0 overruns:0 frame:0

TX packets:38627 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:23218286 (22.1 Mb) TX bytes:21836943 (20.8 Mb)

Interrupt:9 Base address:0x10c0

eth0:1 Link encap:Ethernet HWaddr 00:50:56:40:00:7A

inet addr:192.168.0.60 Bcast:192.168.0.255 Mask:255.255.255.0

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:26861 errors:0 dropped:0 overruns:0 frame:0

TX packets:24224 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:12344753 (11.7 Mb) TX bytes:17367061 (16.5 Mb)

Interrupt:9 Base address:0x10c0

eth1 Link encap:Ethernet HWaddr 00:50:56:40:00:7B

inet addr:192.168.1.1 Bcast:192.168.1.255 Mask:255.255.255.0

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:26861 errors:0 dropped:0 overruns:0 frame:0

TX packets:24224 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:12344753 (11.7 Mb) TX bytes:17367061 (16.5 Mb)

Interrupt:14 Base address:0x10e0

lo Link encap:Local Loopback

inet addr:127.0.0.1 Mask:255.0.0.0

UP LOOPBACK RUNNING MTU:16436 Metric:1

RX packets:23128 errors:0 dropped:0 overruns:0 frame:0

TX packets:23128 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:2611715 (2.4 Mb) TX bytes:2611715 (2.4 Mb)

node2:

[root@DB2PUB root]# ifconfig -a

eth0 Link encap:Ethernet HWaddr 00:50:56:40:00:5B

inet addr:192.168.0.62 Bcast:192.168.0.255 Mask:255.255.255.0

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:46454 errors:0 dropped:0 overruns:0 frame:0

TX packets:36730 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:24482851 (23.3 Mb) TX bytes:20281527 (19.3 Mb)

Interrupt:9 Base address:0x10c0

eth0:1 Link encap:Ethernet HWaddr 00:50:56:40:00:5B

inet addr:192.168.0.59 Bcast:192.168.0.255 Mask:255.255.255.0

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:31258 errors:0 dropped:0 overruns:0 frame:0

TX packets:19194 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:19952760 (19.0 Mb) TX bytes:9559431 (9.1 Mb)

Interrupt:9 Base address:0x10c0

eth1 Link encap:Ethernet HWaddr 00:50:56:40:00:5C

inet addr:192.168.1.2 Bcast:192.168.1.255 Mask:255.255.255.0

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:31258 errors:0 dropped:0 overruns:0 frame:0

TX packets:19194 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:19952760 (19.0 Mb) TX bytes:9559431 (9.1 Mb)

Interrupt:14 Base address:0x10e0

2.listener研究

10G的listener也做了改动参见如下:

# listener.ora.db2pub Network Configuration File: /oracle/10g2/network/admin/listener.ora.db2pub

# Generated by Oracle configuration tools.

LISTENER_DB1PUB =

(DESCRIPTION_LIST =

(DESCRIPTION =

(ADDRESS_LIST =

(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.61)(PORT = 1521))

)

(ADDRESS_LIST =

(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.60)(PORT = 1521))

)

)

)

SID_LIST_LISTENER_DB2PUB =

(SID_LIST =

(SID_DESC =

(SID_NAME = PLSExtProc)

(ORACLE_HOME = /oracle/10g2)

(PROGRAM = extproc)

)

)

此时oracle系统的监听器是同时监听public,和vip地址一下是listener的node1的监听信息

[oracle@DB1PUB oracle]$ lsnrctl statu DB1PUB

LSNRCTL for Linux: Version 10.1.0.2.0 - ProdUCtion on 12-JUL-2004 20:51:21

Copyright (c) 1991, 2004, Oracle. All rights reserved.

Connecting to

(DESCRIPTION=(CONNECT_DATA=(SERVICE_NAME=DB1PUB.SHIMU.COM.CN))(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.0.61)(PORT=1521)))

STATUS of the LISTENER

------------------------

Alias LISTENER_DB1PUB

Version TNSLSNR for Linux: Version 10.1.0.2.0 - Production

Start Date 12-JUL-2004 19:40:28

Uptime 0 days 1 hr. 10 min. 53 sec

Trace Level off

Security ON: Local OS Authentication

SNMP OFF

Listener Parameter File /oracle/10g2/network/admin/listener.ora

Listener Log File /oracle/10g2/network/log/listener_db1pub.log

Listening Endpoints Summary...

(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.0.60)(PORT=1521)))

(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.0.61)(PORT=1521)))

(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=DB1PUB)(PORT=8080))(Presentation=HTTP)(Session=RAW))

(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=DB1PUB)(PORT=2100))(Presentation=FTP)(Session=RAW))

Services Summary...

Service "PLSExtProc" has 1 instance(s).

Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...

Service "RAC.SHIMU.COM.CN" has 2 instance(s).

Instance "RAC1", status READY, has 2 handler(s) for this service...

Instance "RAC2", status READY, has 1 handler(s) for this service...

Service "RACXDB.SHIMU.COM.CN" has 2 instance(s).

Instance "RAC1", status READY, has 1 handler(s) for this service...

Instance "RAC2", status READY, has 1 handler(s) for this service...

The command completed successfully

其中多了监听8080和2100起具体作用还值得研究

 
 
 
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