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Small editor to share with you how to solve the installation of oracle11g grid Failed to create keys in the OLR, rc = 127 problem, I hope you have some gains after reading this article, let us discuss it together!

When installing grid cluster of 11.2.0.4 rac, when executing/u 01/app/11.2.0/grid/root.sh script, the error is as follows:

Performing root user operation for Oracle 11g

The following environment variables are set as:

ORACLE_OWNER= grid

ORACLE_HOME= /u01/app/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 script.

Now product-specific root actions will be performed.

Using configuration parameter file: /u01/app/11.2.0/grid/crs/install/crsconfig_params

Creating trace directory

User ignored Prerequisites during installation

Installing Trace File Analyzer

Failed to create keys in the OLR, rc = 127, Message:

/u01/app/11.2.0/grid/bin/clscfg.bin: error while loading shared libraries: libcap.so.1: cannot open shared object file: No such file or directory

Failed to create keys in the OLR at /u01/app/11.2.0/grid/crs/install/crsconfig_lib.pm line 7660.

/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

Solution:

[root@rac1 /]# cd lib64/

[root@rac1 lib64]# ls -lrt libcap*

-rwxr-xr-x. 1 root root 18672 Nov 5 2010 libcap-ng.so.0.0.0

-rwxr-xr-x. 1 root root 19016 Aug 23 2011 libcap.so.2.16

lrwxrwxrwx. 1 root root 14 Jun 19 19:25 libcap.so.2 -> libcap.so.2.16

lrwxrwxrwx. 1 root root 18 Jun 19 19:26 libcap-ng.so.0 -> libcap-ng.so.0.0.0

[root@rac1 lib64]# ls -lrt libcap.so.2

lrwxrwxrwx. 1 root root 14 Jun 19 19:25 libcap.so.2 -> libcap.so.2.16

[root@rac1 lib64]# ln -s libcap.so.2.16 libcap.so.1

[root@rac1 grid]# ./ root.sh

Performing root user operation for Oracle 11g

The following environment variables are set as:

ORACLE_OWNER= grid

ORACLE_HOME= /u01/app/11.2.0/grid

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

The contents of "dbhome" have not changed. No need to overwrite.

The contents of "oraenv" have not changed. No need to overwrite.

The contents of "coraenv" have not changed. No need to overwrite.

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.

Using configuration parameter file: /u01/app/11.2.0/grid/crs/install/crsconfig_params

User ignored Prerequisites during installation

Installing Trace File Analyzer

OLR initialization - successful

root wallet

root wallet cert

root cert export

peer wallet

profile reader wallet

pa wallet

peer wallet keys

pa wallet keys

peer cert request

pa cert request

peer cert

pa cert

peer root cert TP

profile reader root cert TP

pa root cert TP

peer pa cert TP

pa peer cert TP

profile reader pa cert TP

profile reader peer cert TP

peer user cert

pa user cert

Adding Clusterware entries to upstart

CRS-2672: Attempting to start 'ora.mdnsd' on 'rac1'

CRS-2676: Start of 'ora.mdnsd' on 'rac1' succeeded

CRS-2672: Attempting to start 'ora.gpnpd' on 'rac1'

CRS-2676: Start of 'ora.gpnpd' on 'rac1' succeeded

CRS-2672: Attempting to start 'ora.cssdmonitor' on 'rac1'

CRS-2672: Attempting to start 'ora.gipcd' on 'rac1'

CRS-2676: Start of 'ora.cssdmonitor' on 'rac1' succeeded

CRS-2676: Start of 'ora.gipcd' on 'rac1' succeeded

CRS-2672: Attempting to start 'ora.cssd' on 'rac1'

CRS-2672: Attempting to start 'ora.diskmon' on 'rac1'

CRS-2676: Start of 'ora.diskmon' on 'rac1' succeeded

CRS-2676: Start of 'ora.cssd' on 'rac1' succeeded

ASM created and started successfully.

Disk Group OCR created successfully.

clscfg: -install mode specified

Successfully accumulated necessary OCR keys.

Creating OCR keys for user 'root', privgrp 'root'..

Operation successful.

CRS-4256: Updating the profile

Successful addition of voting disk b1c0569300c04f32bf16835a42fa90cc.

Successful addition of voting disk a851aee2f5d84f5abf627838aa51249b.

Successful addition of voting disk 36c7d8d9df714f2cbfd469472d816011.

Successfully replaced voting disk group with +OCR.

CRS-4256: Updating the profile

CRS-4266: Voting file(s) successfully replaced

## STATE File Universal Id File Name Disk group

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

1. ONLINE b1c0569300c04f32bf16835a42fa90cc (/dev/raw/raw1) [OCR]

2. ONLINE a851aee2f5d84f5abf627838aa51249b (/dev/raw/raw2) [OCR]

3. ONLINE 36c7d8d9df714f2cbfd469472d816011 (/dev/raw/raw3) [OCR]

Located 3 voting disk(s).

CRS-2672: Attempting to start 'ora.asm' on 'rac1'

CRS-2676: Start of 'ora.asm' on 'rac1' succeeded

CRS-2672: Attempting to start 'ora.OCR.dg' on 'rac1'

CRS-2676: Start of 'ora.OCR.dg' on 'rac1' succeeded

Configure Oracle Grid Infrastructure for a Cluster ... succeeded

After reading this article, I believe you have a certain understanding of "How to solve the problem of installing oracle11g grid Failed to create keys in the OLR, rc = 127". If you want to know more about this knowledge, please pay attention to the industry information channel. Thank you for reading!

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