【RAC搭建报错】libcap.so.1:cannot open shared object file

原文参考：http://blog.csdn.net/siyanyanyanyai/article/details/45306595

http://orax.blog.sohu.com/262072266.html

根本原因是缺少一个安装包：

http://blog.csdn.net/techsupporter/article/details/52888670

解决方案：

rpm -ivh compat-libcap1-1.10-1.x86_64.rpm

或者临时解决方案：

[root@rac01 ~]# /u01/app/11.2.0/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]:
   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

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

解决方案：
[root@rac01 ~]#
[root@rac01 ~]# cd /lib64/
[root@rac01 lib64]# ll |grep libcap
lrwxrwxrwx. 1 root root      18 Jan  7 03:19 libcap-ng.so.0 -> libcap-ng.so.0.0.0
-rwxr-xr-x. 1 root root   18672 Nov  5  2010 libcap-ng.so.0.0.0
lrwxrwxrwx. 1 root root      14 Jan  7 03:19 libcap.so.2 -> libcap.so.2.16
-rwxr-xr-x. 1 root root   19016 Aug 23  2011 libcap.so.2.16

[root@rac01 lib64]#  ln -s libcap.so.2.16 libcap.so.1
[root@rac01 lib64]# ls -l libcap*
lrwxrwxrwx. 1 root root    18 Jan  7 03:19 libcap-ng.so.0 -> libcap-ng.so.0.0.0
-rwxr-xr-x. 1 root root 18672 Nov  5  2010 libcap-ng.so.0.0.0
lrwxrwxrwx  1 root root    14 Jan  9 02:17 libcap.so.1 -> libcap.so.2.16
lrwxrwxrwx. 1 root root    14 Jan  7 03:19 libcap.so.2 -> libcap.so.2.16
-rwxr-xr-x. 1 root root 19016 Aug 23  2011 libcap.so.2.16
[root@rac01 lib64]#

强制重置配置11g GI ohas
[root@rac01 lib64]#
[root@rac01 lib64]# /u01/app/11.2.0/grid/crs/install/rootcrs.pl -deconfig -force
Using configuration parameter file: /u01/app/11.2.0/grid/crs/install/crsconfig_params
PRCR-1119 : Failed to look up CRS resources of ora.cluster_vip_net1.type type
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

/u01/app/11.2.0/grid/bin/crsctl.bin: error while loading shared libraries: libcap.so.1: cannot open shared object file: No such file or directory
/u01/app/11.2.0/grid/bin/crsctl.bin: error while loading shared libraries: libcap.so.1: cannot open shared object file: No such file or directory
################################################################
# You must kill processes or reboot the system to properly #
# cleanup the processes started by Oracle clusterware          #
################################################################
ACFS-9313: No ADVM/ACFS installation detected.
Removing Trace File Analyzer
Failure in execution (rc=-1, 256, No such file or directory) for command /etc/init.d/ohasd deinstall
Successfully deconfigured Oracle clusterware stack on this node
[root@rac01 lib64]#

再次执行脚本

[root@rac01 lib64]# /u01/app/11.2.0/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

....

CRS-2672: Attempting to start 'ora.asm' on 'rac01'
CRS-2676: Start of 'ora.asm' on 'rac01' succeeded
CRS-2672: Attempting to start 'ora.OCR.dg' on 'rac01'
CRS-2676: Start of 'ora.OCR.dg' on 'rac01' succeeded
Preparing packages for installation...
cvuqdisk-1.0.9-1
Configure Oracle Grid Infrastructure for a Cluster ... succeeded