软件版本：
数据库版本：oracle 12.2.0.1
操作系统版本：red hat 6.8/7.6
补丁集版本：32928749
在节点1上执行root.sh时，报如下错误：
CRS-2676: Start of ‘ora.ctssd’ on ‘node1’ succeeded
CRS-2676: Start of ‘ora.cluster_interconnect.haip’ on ‘node1’ succeeded
CRS-2672: Attempting to start ‘ora.asm’ on ‘node1’
CRS-2676: Start of ‘ora.asm’ on ‘node1’ succeeded
CRS-2672: Attempting to start ‘ora.storage’ on ‘node1’
CRS-2676: Start of ‘ora.storage’ on ‘node1’ succeeded
CRS-2672: Attempting to start ‘ora.crf’ on ‘node1’
CRS-2676: Start of ‘ora.crf’ on ‘node1’ succeeded
CRS-2672: Attempting to start ‘ora.crsd’ on ‘node1’
CRS-2676: Start of ‘ora.crsd’ on ‘node1’ succeeded
CRS-6023: Starting Oracle Cluster Ready Services-managed resources
CRS-6017: Processing resource auto-start for servers: node1
CRS-6016: Resource auto-start has completed for server node1
CRS-6024: Completed start of Oracle Cluster Ready Services-managed resources
CRS-4123: Oracle High Availability Services has been started.
2021/09/13 22:24:55 CLSRSC-343: Successfully started Oracle Clusterware stack
2021/09/13 22:24:56 CLSRSC-594: Executing installation step 18 of 19: ‘ConfigNode’.
CRS-2672: Attempting to start ‘ora.ASMNET1LSNR_ASM.lsnr’ on ‘node1’
CRS-2676: Start of ‘ora.ASMNET1LSNR_ASM.lsnr’ on ‘node1’ succeeded
CRS-2672: Attempting to start ‘ora.asm’ on ‘node1’
CRS-2676: Start of ‘ora.asm’ on ‘node1’ succeeded
CRS-2672: Attempting to start ‘ora.OCR.dg’ on ‘node1’
CRS-2676: Start of ‘ora.OCR.dg’ on ‘node1’ succeeded
2021/09/13 22:26:30 CLSRSC-594: Executing installation step 19 of 19: ‘PostConfig’.
2021/09/13 22:27:10 CLSRSC-175: Failed to write the checkpoint ‘ROOTCRS_FIRSTNODE’ with status ‘SUCCESS’ (error code 1)
Died at /oracle/app/12.2.0.1/grid/crs/install/crsutils.pm line 13424.
The command '/oracle/app/12.2.0.1/grid/perl/bin/perl -I/oracle/app/12.2.0.1/grid/perl/lib -I/oracle/app/12.2.0.1/grid/crs/install /oracle/app/12.2.0.1/grid/crs/install/rootcrs.pl ’ execution failed
在节点1上删除集群的配置信息，再次执行root.sh ，脚本执行成功，在节点2上执行脚本，报如下错误：
[root@node2 oraInventory]# /oracle/app/12.2.0.1/grid/root.sh
Performing root user operation.
The following environment variables are set as:
ORACLE_OWNER= grid
ORACLE_HOME= /oracle/app/12.2.0.1/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 script.
Now product-specific root actions will be performed.
Relinking oracle with rac_on option
Using configuration parameter file: /oracle/app/12.2.0.1/grid/crs/install/crsconfig_params
The log of current session can be found at:
/oracle/app/grid/crsdata/node2/crsconfig/rootcrs_node2_2021-09-13_10-52-39PM.log
2021/09/13 22:52:44 CLSRSC-594: Executing installation step 1 of 19: ‘SetupTFA’.
2021/09/13 22:52:44 CLSRSC-4001: Installing Oracle Trace File Analyzer (TFA) Collector.
2021/09/13 22:54:00 CLSRSC-4002: Successfully installed Oracle Trace File Analyzer (TFA) Collector.
2021/09/13 22:54:00 CLSRSC-594: Executing installation step 2 of 19: ‘ValidateEnv’.
2021/09/13 22:54:01 CLSRSC-363: User ignored prerequisites during installation
2021/09/13 22:54:01 CLSRSC-594: Executing installation step 3 of 19: ‘CheckFirstNode’.
2021/09/13 22:54:05 CLSRSC-507: The root script cannot proceed on this node node2 because either the first-node operations have not completed on node node1 or there was an error in obtaining the status of the first-node operations.
Died at /oracle/app/12.2.0.1/grid/crs/install/crsutils.pm line 4130.
The command '/oracle/app/12.2.0.1/grid/perl/bin/perl -I/oracle/app/12.2.0.1/grid/perl/lib -I/oracle/app/12.2.0.1/grid/crs/install /oracle/app/12.2.0.1/grid/crs/install/rootcrs.pl ’ execution failed
最新解决方案： Oracle集成基础安装包+补丁包
一、导读
本文主要介绍Redhat7.6系统安装oracle 12201版本RAC的一些坑以及避坑方式。绝对干货满满，物超所值，欢迎补充和纠错。
二、环境介绍
***OS：***redhat 7.6 64位（3.10.0-957.el7.x86_64）
***ORACLE：***12CR2 RAC
三、避坑指南
Notes：坑点主要位于Grid软件安装步骤中cvu的check和root.sh执行。
接下来是本篇文章的重点以及主旨，简单直接：
坑1：ASM device sharedness check
Shared Storage Accessibility:/dev/asm_ocr …FAILED (PRVG-11506)
可参照MOS文档：
12.2: PRVG-0802 : Storage type for path “/dev/mapper/asm011p1” could not be determined (Doc ID 2251322.1)
这里先不说解决方案，mos建议是打补丁：Apply patch 25784424, if CVU storage check fails for ASMLib paths 。
坑2：CLSRSC-400: A system reboot is required to continue installing.
此坑简直为巨坑无比，root.sh执行到进度14/19时，突然停止并且报错****CLSRSC-400，让我重启主机系统，重启之后安装已经终止了，无奈卸载重装依然报错。
可参照MOS文档：
ALERT: root.sh Fails With “CLSRSC-400” While Installing GI 12.2.0.1 on RHEL or OL with RedHat Compatible Kernel (RHCK) 7.3 (Doc ID 2284463.1)
这里先不说解决方案，mos建议是通过applyOneOffs打补丁：Interim patch 25078431 is required before installing 12.2 GI on Linux 7.3 (RedHat and OL7 with RHCK).
坑3：kgfnGetConnDetails requires 4 parameters at/u01/app/12.2.0/grid/lib/asmcmdbase.pm line 5704.
此坑是修复以上两个坑之后，root.sh执行到进度19/19时，突然停止，并报错如上，显示root.sh执行失败。
可参照MOS文档：
install.sh Hung And root.sh Is Failing At asmcmd lsdg --suppressheader While Installing A Zone With Clusterware (Doc ID 2414241.1)
ASMCMD Failing With "KGFNGETCONNDETAILS Requires 4 Parameters at <GI_HOME>/lib/asmcmdbase.pm (Doc ID 2748316.1)
解决方案：
/usr/bin/make -f /u01/app/12.2.0/grid/rdbms/lib/ins_rdbms.mk client_sharedlib libasmclntsh12.ohso libasmperl12.ohso ORACLE_HOME=/u01/app/12.2.0/grid复制
1.如果已经遇到该错误，那么执行以上命令之后，重新执行root.sh即可，如果提前看到了本文，请按方法2提前执行；
***2.***出现执行root.sh提示框之时执行以上命令，需在两个节点以root身份执行该命令，GRID_HOME路径请根据实际情况填写
所有节点执行完之后，再执行root.sh。
最后来总结以下坑1、2的解决方案：
参考MOS文档：
***How to Apply a Grid Infrastructure Patch Before Grid Infrastructure Configuration (before root.sh or rootupgrade.sh or gridsetup.bat) is Executed (Doc ID 1410202.1) ***
通过12C开始支持的applyPSU方式，提前给Grid软件打上最新的补丁，修复坑1，2的bug：
1.解压OPatch补丁包 $ su - grid -c "unzip /soft/p6880880_122010_Linux-x86-64.zip -d /u01/app/12.2.0/grid/" Notes：选择A 2.查看OPatch补丁包版本 $ su - grid -c "/u01/app/12.2.0/grid/OPatch/opatch version" OPatch Version: 12.2.0.1.24 3.解压最新PSU补丁 $ su - grid -c "unzip /soft/p32226491_122010_Linux-x86-64.zip -d /soft" 4.执行grid安装 $ ./gridSetup.sh -applyPSU /soft/32226491 Preparing the home to patch... Applying the patch /soft/32226491/... Successfully applied the patch. The log can be found at: /u01/app/oraInventory/logs/GridSetupActions2021-04-01_04-18-54PM/installerPatchActions_2021-04-01_04-18-54PM.log Launching Oracle Grid Infrastructure Setup Wizard... 5.安装grid成功之后查看补丁 $ opatch lspatches 26839277;DBWLM RELEASE UPDATE 12.2.0.1.0(ID:170913) (26839277) 32231681;ACFS JAN 2021 RELEASE UPDATE 12.2.0.1.210119 (32231681) 32253903;TOMCAT RELEASE UPDATE 12.2.0.1.0(ID:RELEASE) (32253903) 31802727;OCW OCT 2020 RELEASE UPDATE 12.2.0.1.201020 (31802727) 32228578;Database Jan 2021 Release Update : 12.2.0.1.210119 (32228578) OPatch succeeded.复制
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