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

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

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Linux-6-64下安装Oracle 12C笔记

在CentOS 6.4下安装Oracle 11gR2(x64)

Oracle 11gR2 在VMWare虚拟机中安装步骤

Debian 下 安装 Oracle 11g XE R2

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错误现象：

在node2执行root.sh脚本时报错：

[root@xun2 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.

2014-07-05 02:00:09: Parsing the host name

2014-07-05 02:00:09: Checking for super user privileges

2014-07-05 02:00:09: 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 xun1, 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 'xun2'

CRS-2676: Start of 'ora.mdnsd' on 'xun2' succeeded

CRS-2672: Attempting to start 'ora.gipcd' on 'xun2'

CRS-2676: Start of 'ora.gipcd' on 'xun2' succeeded

CRS-2672: Attempting to start 'ora.gpnpd' on 'xun2'

CRS-2676: Start of 'ora.gpnpd' on 'xun2' succeeded

CRS-2672: Attempting to start 'ora.cssdmonitor' on 'xun2'

CRS-2676: Start of 'ora.cssdmonitor' on 'xun2' succeeded

CRS-2672: Attempting to start 'ora.cssd' on 'xun2'

CRS-2672: Attempting to start 'ora.diskmon' on 'xun2'

CRS-2676: Start of 'ora.diskmon' on 'xun2' succeeded

CRS-2676: Start of 'ora.cssd' on 'xun2' succeeded

CRS-2672: Attempting to start 'ora.ctssd' on 'xun2'

CRS-2674: Start of 'ora.ctssd' on 'xun2' failed

CRS-4000: Command Start failed, or completed with errors.

Command return code of 1 (256) from command: /u01/11.2.0/grid/bin/crsctl start resource ora.ctssd -init -env USR_ORA_ENV=CTSS_REBOOT=TRUE

Start of resource "ora.ctssd -init -env USR_ORA_ENV=CTSS_REBOOT=TRUE" failed

Failed to start CTSS

Failed to start Oracle Clusterware stack

查看日志：

[root@xun2 ctssd]# more octssd.log

Oracle Database 11g Clusterware Release 11.2.0.1.0 - Production Copyright 1996, 2009 Oracle. A

ll rights reserved.

2014-07-05 01:36:39.677: [ CTSS][3046594240]Oracle Database CTSS Release 11.2.0.1.0 Product

ion Copyright 2006, 2007 Oracle. All rights reserved.

2014-07-05 01:36:39.677: [ CTSS][3046594240]ctss_scls_init: SCLs Context is 0x88205f0

2014-07-05 01:36:39.685: [ CTSS][3046594240]ctss_css_init: CSS Context is 0x8820698

2014-07-05 01:36:39.686: [ CTSS][3046594240]ctss_clsc_init: CLSC Context is 0x8820fd8

2014-07-05 01:36:39.686: [ CTSS][3046594240]ctss_init: CTSS production mode

2014-07-05 01:36:39.686: [ CTSS][3046594240]ctss_init: CTSS_REBOOT=TRUE. Overriding 'reboot

' argument as if 'octssd reboot' is executed. Turn on start up step sync.

2014-07-05 01:36:39.695: [ CTSS][3046594240]sclsctss_gvss2: NTP default pid file not found

2014-07-05 01:36:39.695: [ CTSS][3046594240]sclsctss_gvss8: Return [0] and NTP status [1].

2014-07-05 01:36:39.695: [ CTSS][3046594240]ctss_check_vendor_sw: Vendor time sync software

is not detected. status [1].

2014-07-05 01:36:39.695: [ CTSS][3046594240]ctsscomm_init: The Socket name is [(ADDRESS=(PR

OTOCOL=tcp)(HOST=xun2))]

2014-07-05 01:36:39.772: [ CTSS][3046594240]ctsscomm_init: Successful completion.

2014-07-05 01:36:39.772: [ CTSS][3046594240]ctsscomm_init: PORT = 31165

2014-07-05 01:36:39.772: [ CTSS][3020295056]CTSS connection handler started

[ CTSS][3009805200]clsctsselect_mm: Master Monitor thread started

[ CTSS][2999315344]ctsselect_msm: Slave Monitor thread started

2014-07-05 01:36:39.772: [ CTSS][2988825488]ctsselect_mmg: The local nodenum is 2

2014-07-05 01:36:39.776: [ CTSS][2988825488]ctsselect_mmg2_5: Pub data for member [1]. {Ver

sion [1] Node [1] Priv node name [xun1] Port num [53367] SW version [186646784] Mode [0x40]}

2014-07-05 01:36:39.779: [ CTSS][2988825488]ctsselect_mmg4: Successfully registered with [C

TSSMASTER]

2014-07-05 01:36:39.779: [ CTSS][2988825488]ctsselect_mmg6: Receive reconfig event. Inc num

[2] New master [2] members count[1]

2014-07-05 01:36:39.780: [ CTSS][2988825488]ctsselect_mmg8: Host [xun1] Node num [1] is the

master

2014-07-05 01:36:39.781: [ CTSS][2988825488]ctsselect_sm2: Node [1] is the CTSS master

2014-07-05 01:36:39.782: [ CTSS][2988825488]ctssslave_meh1: Master private node name [xun1]

2014-07-05 01:36:39.782: [ CTSS][2988825488]ctssslave_msh: Connect String is (ADDRESS=(PROT

OCOL=tcp)(HOST=xun1)(PORT=53367))

[ clsdmt][2978335632]Listening to (ADDRESS=(PROTOCOL=ipc)(KEY=xun2DBG_CTSSD))

2014-07-05 01:36:39.783: [ clsdmt][2978335632]PID for the Process [24020], connkey 11

2014-07-05 01:36:39.783: [ CTSS][2988825488]ctssslave_msh: Forming connection with CTSS mas

ter node [1]

2014-07-05 01:36:39.784: [ clsdmt][2978335632]Creating PID [24020] file for home /u01/11.2.0/

grid host xun2 bin ctss to /u01/11.2.0/grid/ctss/init/

2014-07-05 01:36:39.786: [ clsdmt][2978335632]Writing PID [24020] to the file [/u01/11.2.0/gr

id/ctss/init/xun2.pid]

2014-07-05 01:36:39.786: [ CTSS][2988825488]ctssslave_msh: Successfully connected to master

[1]

2014-07-05 01:36:39.827: [ CTSS][2988825488]ctssslave_swm: The magnitude [228530967053 usec

] of the offset [-228530967053 usec] is larger than [86400000000 usec] sec which is the CTSS l

imit.

2014-07-05 01:36:39.827: [ CTSS][2988825488]ctsselect_mmg9_3: Failed in clsctsselect_select

_mode [12]: Time offset is too much to be corrected

2014-07-05 01:36:40.582: [ CTSS][2978335632]ctss_checkcb: clsdm requested check alive. Retu

rns [40000050]

2014-07-05 01:36:40.582: [ CTSS][2988825488]ctsselect_mmg: CTSS daemon exiting [12].

2014-07-05 01:36:40.582: [ CTSS][2988825488]CTSS daemon aborting

查看两个节点的时钟：

[root@xun2 ctssd]# date

Sat Jul 5 02:06:09 CST 2014

[root@xun2 ctssd]# date 0707173614

Mon Jul 7 17:36:00 CST 2014

两个节点时间相差很远，，导致CRS时间同步失败！

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