DB2过期，如何备份

haoweishow

背景：
      在centos上安装db2 v9.7 选择ESE，使用正常。昨天能够正常使用。
     今天启动报错如下：

[xxxinst@localhost ~]$ db2start 03/03/2014 00:18:01     0   0   SQL8000N  DB2START processing failed; a valid product license was not found. If you have licensed this product, ensure the license key is properly registered. You can register the license via the License Center or db2licm command line utility. The license key can be obtained from your licensed product CD. SQL1032N  No start database manager command was issued.  SQLSTATE=57019

     数据库无法启动。

解决：
     方法1，失败：
     在网上找的license，无法使用（请见谅此做法），提示如下：

[xxxinst@localhost ~]$ db2licm -a db2ese_c.lic LIC1449N  The license was not installed due to a platform restriction. Explanation: This DB2 product is only supported in trial mode, also known as "Try and Buy" mode, on this platform. User response: Continue to use this product in trial mode, or install one which is fully supported on this platform.

     方法2，失败：
     日期修改到2014-03-03也无法启动数据库，也执行了hwclock和clock.

下一步：
     备份数据库，安装DB2EXPRESS版本，再导入数据库。

问题：
     备份：数据库无法启动，是不是只能通过拷贝文件来备份？那么需要备份哪些文件？

感谢各位大神。

noloness

试用版。你只能：Continue to use this product in trial mode, or install one which is
fully supported on this platform.