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Oracle 11gR2 安装RAC错误之--HOSTS文件错误
系统环境：
操作系统：RedHat EL5
Cluster： Oracle GI(Grid Infrastructure)
Oracle： Oracle 11.2.0.1.0
如图所示：RAC 系统架构
对于Oracle 11G构建RAC首先需要构建GI(Grid Infrastructure)的架构
错误现象：
节点2运行root.sh脚本错误：
[root@hk2 ~]# /u01/11.2.0/grid/root.sh
Running Oracle 11g root.sh script... The following environment variables are set as: ORACLE_OWNER= grid ORACLE_HOME= /u01/11.2.0/grid Enter the full pathname of the local bin directory: [/usr/local/bin]: Copying dbhome to /usr/local/bin ... Copying oraenv to /usr/local/bin ... Copying coraenv to /usr/local/bin ... Creating /etc/oratab file... Entries will be added to the /etc/oratab file as needed by Database Configuration Assistant when a database is created Finished running generic part of root.sh script. Now product-specific root actions will be performed. 2014-07-07 17:04:37: Parsing the host name 2014-07-07 17:04:37: Checking for super user privileges 2014-07-07 17:04:37: User has super user privileges Using configuration parameter file: /u01/11.2.0/grid/crs/install/crsconfig_params Creating trace directory LOCAL ADD MODE Creating OCR keys for user 'root', privgrp 'root'.. Operation successful. Adding daemon to inittab CRS-4123: Oracle High Availability Services has been started. ohasd is starting CRS-4402: The CSS daemon was started in exclusive mode but found an active CSS daemon on node hk1, number 1, and is terminating An active cluster was found during exclusive startup, restarting to join the cluster CRS-2672: Attempting to start 'ora.mdnsd' on 'hk2' CRS-2676: Start of 'ora.mdnsd' on 'hk2' succeeded CRS-2672: Attempting to start 'ora.gipcd' on 'hk2' CRS-2676: Start of 'ora.gipcd' on 'hk2' succeeded CRS-2672: Attempting to start 'ora.gpnpd' on 'hk2' CRS-2676: Start of 'ora.gpnpd' on 'hk2' succeeded CRS-2672: Attempting to start 'ora.cssdmonitor' on 'hk2' CRS-2676: Start of 'ora.cssdmonitor' on 'hk2' succeeded CRS-2672: Attempting to start 'ora.cssd' on 'hk2' CRS-2672: Attempting to start 'ora.diskmon' on 'hk2' CRS-2676: Start of 'ora.diskmon' on 'hk2' succeeded CRS-2676: Start of 'ora.cssd' on 'hk2' succeeded CRS-2672: Attempting to start 'ora.ctssd' on 'hk2' CRS-2676: Start of 'ora.ctssd' on 'hk2' succeeded CRS-2672: Attempting to start 'ora.drivers.acfs' on 'hk2' CRS-2676: Start of 'ora.drivers.acfs' on 'hk2' succeeded CRS-2672: Attempting to start 'ora.asm' on 'hk2' CRS-2676: Start of 'ora.asm' on 'hk2' succeeded CRS-2672: Attempting to start 'ora.crsd' on 'hk2' CRS-2676: Start of 'ora.crsd' on 'hk2' succeeded CRS-2672: Attempting to start 'ora.evmd' on 'hk2' CRS-2676: Start of 'ora.evmd' on 'hk2' succeeded Timed out waiting for the CRS stack to start.
查看日志：
[root@hk2 crsd]# ls
core.12152 core.15934 core.16128 crsd.log crsdOUT.log crsd.trc
[root@hk2 crsd]# tail crsdOUT.log
Unable to resolve address for localhost:2016
ONS runtime exiting
Fatal error: eONS: eonsapi.c: Aug 4 2009 21:09:36
2014-07-07 17:55:31
Changing directory to /u01/11.2.0/grid/log/hk2/crsd
2014-07-07 17:55:31
CRSD REBOOT
Unable to resolve address for localhost:2016
ONS runtime exiting
Fatal error: eONS: eonsapi.c: Aug 4 2009 21:09:36
[root@hk2 crsd]# more crsdOUT.log
2014-07-07 17:08:23
Changing directory to /u01/11.2.0/grid/log/hk2/crsd
2014-07-07 17:08:23
CRSD REBOOT
Unable to resolve address for localhost:2016
ONS runtime exiting
Fatal error: eONS: eonsapi.c: Aug 4 2009 21:09:36
......
错误提示，无法解析localhost主机！
查看/etc/hosts文件：
[root@hk2 crsd]# cat /etc/hosts
# Do not remove the following line, or various programs # that require network functionality will fail. 192.168.56.101 hk1 192.168.56.103 hk2 10.10.10.101 hk1-priv 10.10.10.103 hk2-priv 192.168.56.104 hk1-vip 192.168.56.105 hk2-vip 192.168.56.106 hk-scan
缺少对localhost的解析！
解决方法：
1、编辑/etc/hosts文件
[root@hk1 bin]# cat /etc/hosts
# Do not remove the following line, or various programs # that require network functionality will fail. 127.0.0.1 localhost 192.168.56.101 hk1 192.168.56.103 hk2 10.10.10.101 hk1-priv 10.10.10.103 hk2-priv 192.168.56.104 hk1-vip 192.168.56.105 hk2-vip 192.168.56.106 hk-scan
2、删除CRS的配置，重新运行root.sh
[root@hk2 install]# perl rootcrs.pl -deconfig -force
2014-07-07 18:09:51: Parsing the host name 2014-07-07 18:09:51: Checking for super user privileges 2014-07-07 18:09:51: User has super user privileges Using configuration parameter file: ./crsconfig_params PRCR-1035 : Failed to look up CRS resource ora.cluster_vip.type for 1 PRCR-1068 : Failed to query resources Cannot communicate with crsd PRCR-1070 : Failed to check if resource ora.gsd is registered Cannot communicate with crsd PRCR-1070 : Failed to check if resource ora.ons is registered Cannot communicate with crsd PRCR-1070 : Failed to check if resource ora.eons is registered Cannot communicate with crsd ACFS-9200: Supported CRS-4535: Cannot communicate with Cluster Ready Services CRS-4000: Command Stop failed, or completed with errors. CRS-2791: Starting shutdown of Oracle High Availability Services-managed resources on 'hk2' CRS-2673: Attempting to stop 'ora.drivers.acfs' on 'hk2' CRS-2673: Attempting to stop 'ora.mdnsd' on 'hk2' CRS-2673: Attempting to stop 'ora.gpnpd' on 'hk2' CRS-2673: Attempting to stop 'ora.cssdmonitor' on 'hk2' CRS-2673: Attempting to stop 'ora.ctssd' on 'hk2' CRS-2673: Attempting to stop 'ora.evmd' on 'hk2' CRS-2673: Attempting to stop 'ora.asm' on 'hk2' CRS-2677: Stop of 'ora.cssdmonitor' on 'hk2' succeeded CRS-2677: Stop of 'ora.mdnsd' on 'hk2' succeeded CRS-2677: Stop of 'ora.gpnpd' on 'hk2' succeeded CRS-2677: Stop of 'ora.evmd' on 'hk2' succeeded CRS-2677: Stop of 'ora.ctssd' on 'hk2' succeeded CRS-2677: Stop of 'ora.drivers.acfs' on 'hk2' succeeded CRS-2677: Stop of 'ora.asm' on 'hk2' succeeded CRS-2673: Attempting to stop 'ora.cssd' on 'hk2' CRS-2677: Stop of 'ora.cssd' on 'hk2' succeeded CRS-2673: Attempting to stop 'ora.diskmon' on 'hk2' CRS-2673: Attempting to stop 'ora.gipcd' on 'hk2' CRS-2677: Stop of 'ora.gipcd' on 'hk2' succeeded CRS-2677: Stop of 'ora.diskmon' on 'hk2' succeeded CRS-2793: Shutdown of Oracle High Availability Services-managed resources on 'hk2' has completed CRS-4133: Oracle High Availability Services has been stopped. error: package cvuqdisk is not installed Successfully deconfigured Oracle clusterware stack on this node
重新运行root.sh：
[root@hk2 install]# /u01/11.2.0/grid/root.sh
Running Oracle 11g root.sh script... The following environment variables are set as: ORACLE_OWNER= grid ORACLE_HOME= /u01/11.2.0/grid Enter the full pathname of the local bin directory: [/usr/local/bin]: The file "dbhome" already exists in /usr/local/bin. Overwrite it? (y/n) [n]: y Copying dbhome to /usr/local/bin ... The file "oraenv" already exists in /usr/local/bin. Overwrite it? (y/n) [n]: y Copying oraenv to /usr/local/bin ... The file "coraenv" already exists in /usr/local/bin. Overwrite it? (y/n) [n]: y Copying coraenv to /usr/local/bin ... Entries will be added to the /etc/oratab file as needed by Database Configuration Assistant when a database is created Finished running generic part of root.sh script. Now product-specific root actions will be performed. 2014-07-07 18:11:35: Parsing the host name 2014-07-07 18:11:35: Checking for super user privileges 2014-07-07 18:11:35: User has super user privileges Using configuration parameter file: /u01/11.2.0/grid/crs/install/crsconfig_params LOCAL ADD MODE Creating OCR keys for user 'root', privgrp 'root'.. Operation successful. Adding daemon to inittab CRS-4123: Oracle High Availability Services has been started. ohasd is starting CRS-4402: The CSS daemon was started in exclusive mode but found an active CSS daemon on node hk1, number 1, and is terminating An active cluster was found during exclusive startup, restarting to join the cluster CRS-2672: Attempting to start 'ora.mdnsd' on 'hk2' CRS-2676: Start of 'ora.mdnsd' on 'hk2' succeeded CRS-2672: Attempting to start 'ora.gipcd' on 'hk2' CRS-2676: Start of 'ora.gipcd' on 'hk2' succeeded CRS-2672: Attempting to start 'ora.gpnpd' on 'hk2' CRS-2676: Start of 'ora.gpnpd' on 'hk2' succeeded CRS-2672: Attempting to start 'ora.cssdmonitor' on 'hk2' CRS-2676: Start of 'ora.cssdmonitor' on 'hk2' succeeded CRS-2672: Attempting to start 'ora.cssd' on 'hk2' CRS-2672: Attempting to start 'ora.diskmon' on 'hk2' CRS-2676: Start of 'ora.diskmon' on 'hk2' succeeded CRS-2676: Start of 'ora.cssd' on 'hk2' succeeded CRS-2672: Attempting to start 'ora.ctssd' on 'hk2' CRS-2676: Start of 'ora.ctssd' on 'hk2' succeeded CRS-2672: Attempting to start 'ora.drivers.acfs' on 'hk2' CRS-2676: Start of 'ora.drivers.acfs' on 'hk2' succeeded CRS-2672: Attempting to start 'ora.asm' on 'hk2' CRS-2676: Start of 'ora.asm' on 'hk2' succeeded CRS-2672: Attempting to start 'ora.crsd' on 'hk2' CRS-2676: Start of 'ora.crsd' on 'hk2' succeeded CRS-2672: Attempting to start 'ora.evmd' on 'hk2' CRS-2676: Start of 'ora.evmd' on 'hk2' succeeded hk2 2014/07/07 18:13:53 /u01/11.2.0/grid/cdata/hk2/backup_20140707_181353.olr Preparing packages for installation... cvuqdisk-1.0.7-1 Configure Oracle Grid Infrastructure for a Cluster ... succeeded Updating inventory properties for clusterware Starting Oracle Universal Installer... Checking swap space: must be greater than 500 MB. Actual 4095 MB Passed The inventory pointer is located at /etc/oraInst.loc The inventory is located at /u01/app/oraInventory 'UpdateNodeList' was successful.
@脚本运行成功！
3、验证
[root@hk2 bin]# ./crs_stat -t
Name Type Target State Host ------------------------------------------------------------ ora.eons ora.eons.type ONLINE ONLINE hk1 ora.gsd ora.gsd.type OFFLINE OFFLINE ora.hk1.gsd application OFFLINE OFFLINE ora.hk1.ons application ONLINE ONLINE hk1 ora.hk1.vip ora....t1.type ONLINE ONLINE hk1 ora.hk2.gsd application OFFLINE OFFLINE ora.hk2.ons application ONLINE ONLINE hk2 ora.hk2.vip ora....t1.type ONLINE ONLINE hk2 ora....network ora....rk.type ONLINE ONLINE hk1 ora.ons ora.ons.type ONLINE ONLINE hk1
@至此，问题解决！
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