環境：Redhat Linux 7.6 + Oracle 11.2.0.4 RAC

現象：圖像化安裝過程中，按照提示執行root.sh腳本，報錯中斷。

1. 具體現象

[root@mm1903 ~]# /u01/app/11.2.0/grid/root.sh

Performing rootuser operation forOracle 11g

The following environment variables areset as:

ORACLE_OWNER=grid

ORACLE_HOME= /u01/app/11.2.0/grid

Enter thefull pathname of the local bin directory: [/usr/local/bin]:

The contentsof "dbhome" have not changed. No need tooverwrite.

The contentsof "oraenv" have not changed. No need tooverwrite.

The contentsof "coraenv" have not changed. No need tooverwrite.

Entries will be addedto the /etc/oratab file as needed by

Database Configuration Assistant when a database iscreated

Finished running generic partofroot script.

Now product-specific root actions will be performed.

Using configuration parameterfile: /u01/app/11.2.0/grid/crs/install/crsconfig_paramsUserignored Prerequisites during installation

Installing TraceFileAnalyzer

Adding Clusterware entriestoinittab

ohasd failedtostart

Failedto start the Clusterware. Last 20 lines of the alert logfollow:2020-03-20 11:46:34.715:[client(14293)]CRS-2101:The OLR was formatted using version 3.2020-03-20 11:57:25.130:[ohasd(15204)]CRS-0715:Oracle High Availability Service has timed out waiting for init.ohasd tobe started./u01/app/11.2.0/grid/perl/bin/perl -I/u01/app/11.2.0/grid/perl/lib -I/u01/app/11.2.0/grid/crs/install /u01/app/11.2.0/grid/crs/install/rootcrs.pl execution failed[root@mm1903 ~]#

Redhat 7.6搭建11g RAC時遇到報錯：

[ohasd(15204)]CRS-0715:Oracle High Availability Service has timed out waiting for init.ohasd to be started.

2. 定位問題

官方文檔：

Install of Clusterware fails while running root.sh on OL7 - ohasd fails to start (Doc ID 1959008.1)

由此篇官方文檔可知，致使root.sh腳本執行時報的原因是因為Linux 7與Linux 6啟動/重新啟動進程并將其作為服務運行的方式不同。

Linux 6是由initd啟動進程，而Linux 7則是由systemd啟動進程。

在11.2.0.4 & 12.1.0.1安裝GI時，無法加載集群資源進程，所以不會成功。

若想要在Linux 7上運行此兩個版本GI軟件，需要應用補丁程序18370031。

Because Oracle Linux 7 (and Redhat 7) use systemd rather than initd for starting/restarting processes and runs them as a service the current software install of both 11.2.0.4 & 12.1.0.1 will not succeed because the ohasd process does notstart properly.In OL7 it needs to be set up as a service and patch fix for Bug 18370031 needs to be applied for this , BEFORE you run root.sh when prompted .

3. 解決問題

此外還有中簡單有效的解決方法，也是永久性的：

修改ohasd守護進程文件 vi /etc/init.d/ohasd

在文件中找到如這部分，在里面添加標注部分：

————————————————if [-r $AUTOSTARTFILE]

then

case `$CAT $AUTOSTARTFILE` inenable*)

$LOGERR "Oracle HA daemonis enabled forautostart."/bin/dd if=/var/tmp/.oracle/npohasd of=/dev/null bs=1024 count=1 & ---標注

my_crsctl start has -nowait

sleep600 ---標注

ps -ef | grep dd| grep hasd|awk '{print $2}'|xargs kill -9 ---標注

;;

disable*)

$LOGERR "Oracle HA daemonis disabled forautostart."

;;*)

$LOGERR "Oracle HA daemonis disabled bydamaged install."

$LOGERR "Unexpected settings foundin$AUTOSTARTFILE."

;;

esacelse————————————————

服務器再次重啟后，稍等片刻集群即會正常啟動。

正常加載日志：

[root@mm1903 ~]# /u01/app/11.2.0/grid/root.sh

Performing rootuser operation forOracle 11g

The following environment variables areset as:

ORACLE_OWNER=grid

ORACLE_HOME= /u01/app/11.2.0/grid

Enter thefull pathname of the local bin directory: [/usr/local/bin]:

The contentsof "dbhome" have not changed. No need tooverwrite.

The contentsof "oraenv" have not changed. No need tooverwrite.

The contentsof "coraenv" have not changed. No need tooverwrite.

Entries will be addedto the /etc/oratab file as needed by

Database Configuration Assistant when a database iscreated

Finished running generic partofroot script.

Now product-specific root actions will be performed.

Using configuration parameterfile: /u01/app/11.2.0/grid/crs/install/crsconfig_paramsUserignored Prerequisites during installation

Installing TraceFileAnalyzer

CRS-2672: Attempting to start 'ora.mdnsd' on 'mm1903'CRS-2676: Start of 'ora.mdnsd' on 'mm1903'succeeded

CRS-2672: Attempting to start 'ora.gpnpd' on 'mm1903'CRS-2676: Start of 'ora.gpnpd' on 'mm1903'succeeded

CRS-2672: Attempting to start 'ora.cssdmonitor' on 'mm1903'CRS-2672: Attempting to start 'ora.gipcd' on 'mm1903'CRS-2676: Start of 'ora.cssdmonitor' on 'mm1903'succeeded

CRS-2676: Start of 'ora.gipcd' on 'mm1903'succeeded

CRS-2672: Attempting to start 'ora.cssd' on 'mm1903'CRS-2672: Attempting to start 'ora.diskmon' on 'mm1903'CRS-2676: Start of 'ora.diskmon' on 'mm1903'succeeded

CRS-2676: Start of 'ora.cssd' on 'mm1903'succeeded

已成功創建并啟動 ASM。

已成功創建磁盤組DATA。

clscfg:-install mode specified

Successfully accumulated necessary OCR keys.

Creating OCR keysfor user 'root', privgrp 'root'..

Operation successful.

CRS-4256: Updating the profile

Successful additionof voting disk64770444e9ea4fd6bf277198410f1b10.

Successfully replaced votingdisk group with +DATA.

CRS-4256: Updating the profile

CRS-4266: Voting file(s) successfully replaced

## STATEFile Universal Id File Name Disk group

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

1. ONLINE 64770444e9ea4fd6bf277198410f1b10 (/dev/asm-diskb) [DATA]Located1 voting disk(s).

CRS-2672: Attempting to start 'ora.asm' on 'mm1903'CRS-2676: Start of 'ora.asm' on 'mm1903'succeeded

CRS-2672: Attempting to start 'ora.DATA.dg' on 'mm1903'CRS-2676: Start of 'ora.DATA.dg' on 'mm1903'succeeded

Configure Oracle Grid Infrastructurefora Cluster ... succeeded[root@mm1903 ~]# su -grid

上一次登錄：五 3月20 12:55:20 CST 2020pts/2上[grid@mm1903 ~]$

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