DB2 10.1 安装报错：DB2 installation is being initialized

报错信息：

DBI1446I The db2icrt command is running, please wait.

DB2 installation is being initialized.

DB2 pureScale instance creation requires you specify either an instance shared
device path or an instance shared directory. For more information regarding an
instance shared device path or an instance shared directory, see DB2
Information Center.

A major error occurred during the execution that caused this program to
terminate prematurely. If the problem persists, contact your technical service
representative.

For more information see the DB2 installation log at "/tmp/db2icrt.log.19964".
DBI1264E Errors were encountered in running db2icrt. Please
refer to the installation log file /tmp/db2icrt.log.19964 for more
information.

Explanation:

All processed and failed operations have been saved into this log file.

User response:

Do not modify this file in any way. This file is for IBM Technical
Support reference.

Last login: Thu Apr 23 10:32:59 2015 from 192.168.52.56

查看日志：

[root@DB2 ~]# cat /tmp/db2icrt.log.19964

DB2 Setup log file started at: Thu Apr 23 11:06:14 2015 CST

Operating system information: Linux 2.6.18-308.el5.#1 SMP Fri Jan 27 17:17:51 EST 2012 x86_64
ERROR: DB2 pureScale instance creation requires you specify either an instance shared
device path or an instance shared directory. For more information regarding an
instance shared device path or an instance shared directory, see DB2
Information Center.

ERROR: The "db2icrt" command failed. Ensure the command parameters are valid,
that errors reported in the log file are fixed, then rerun the command.

Post Install Recommendations

Required steps:
There were some errors detected during DB2 installation. To collect the information files from the system, run the "db2support -install" command with the proper options before reporting the problem to IBM service. For information regarding the usage of the db2support tool, check the DB2 Information Center.

DB2 Setup log file finished at: Thu 23 Apr 2015 11:06:49 AM CST CST

最后发现是在开始安装数据库时有一个选项

Do you want to install the DB2 pureScale Feature? [yes/no] 

选择了YES，重新安装选择NO顺利完成安装