在Linux系统上安装和配置Backup Exec 12.5 Oracle Agent
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1 如何在Linux系统上安装和配置Backup Exec 12.5 Oracle Agent
一、安装部分
Backup Exec是一款主要用于Windows平台的数据保护产品，但是它也包含了用于Linux或Unix的代理程序。要清楚你所使用的Backup Exec支持哪些Linux或Unix系统，请访问技术支持网站上的软件兼容性列表，以现在用户数量最多的BE10d为例，它的兼容性列表网址是：
/docs/278254
你可以在软件兼容性列表中发现两个用于Linux或Unix的代理产品，它们的兼容性不同：
Remote Agent for Linux and UNIX Servers (RALUS) Compatibility // 即RALUS，新的代理程序，收费，性能较高。
Legacy Linux/UNIX/Mac Compatibility // 传统的代理程序，免费，性能较低，以后会被RALUS取代。
查过兼容性列表之后，如果你所使用的操作系统包括在兼容性列表之中，就可以考虑采用Backup Exec来保护你的系统。如果兼容性列表中没有列出你所使用的系统，则可能存在兼容性问题，建议先进行测试，确认可以使用再购买。
下面将介绍RALUS的安装（Legacy Agent现在很少有人使用，就不介绍了）
下面假定你的Media Server（安装有Backup Exec的备份服务器）己经安装好，并且安装了RALUS选件。
首先，RALUS的安装程序较大，被放在单独的光盘中提供。如果没有安装光盘，也可以通过Symantec网站下载：
/docs/279329
下载的安装包是压缩的，需要先解包，光盘中的安装程序不是压缩的，可以直接安装。下面是我的安装记录（用的是BE11d RALUS安装程序），中间加了一些解释（红色部分）。
[root@redhatas3 /]# mount /mnt/cdrom
[root@redhatas3 /]# cd /mnt/cdrom
[root@redhatas3 cdrom]# ./installralus // 执行安装脚本
Symantec Backup Exec for Windows Servers Remote Agent for Linux/Unix Servers 11.00.6235
Enter the system names separated by spaces on which to install RALUS: (redhatas3) // 输入目标主机名称
Checking system communication:
Checking OS version on redhatas3 ........................ Linux 2.4.21-32.EL
Checking system support for redhatas3 ... Linux 2.4.21-32.EL supported by RALUS
Initial system check completed successfully.
Press [Return] to continue:
2 Symantec Backup Exec for Windows Servers Remote Agent for Linux/Unix Servers 11.00.6235
installralus will install the following RALUS packages on Linux target system: redhatas3
VRTSvxmsa VERITAS - VxMS Mapping Service, Application Libraries. // 两个安装包需要安装
VRTSralus VERITAS Backup Exec for Windows Servers Remote Agent for Linux/Unix Servers
Press [Return] to continue:
Symantec Backup Exec for Windows Servers Remote Agent for Linux/Unix Servers 11.00.6235
Checking system installation requirements:
Checking RALUS installation requirements on Linux target systems: redhatas3
Checking RALUS installation requirements on redhatas3:
Checking file system space ................... required space is available
Installation requirements checks completed successfully.
Press [Return] to continue:
Checking for Port 10000 ............................................. Done // RALUS服务监视在TCP 10000端口，确保没有其它应用使用该端口。
Remote Agent Media Server Configuration
To display the Remote Agent as a selection in a media server's backup selection tree, and to be able to
specify a local network for use between the Remote Agent and a media server, enter the names or IP
addresses of the media servers that you want the Remote Agent to communicate with.
An IP Address: XXX.XXX.XXX.XXX
A Host Name: COMPUTERNAME
Enter a directory host:mybeserver // 输入备份服务器的名称，RALUS会定期向备份服务器通告自己的存在，收到通知后备份服务器会在备份选择窗口中显示该Linux/Unix主机。
Do you want to add another name or address for this agent? [y, n] (n)
Remote Agent Media Server Configuration
Hostnames and/or IP addresses verification:
Address: mybeserver
Is this information correct? [y, n] (y)
Remote Agent User Group Setup
To perform backups, you must have a 'beoper' user group. This user group can be created only if you are
not using NIS server. Your system will be scanned to detect a NIS server, group and membership.
Press [Return] to continue:
Checking if system uses NIS server: .................................. No
The installer will now check your system for the 'beoper' user group and root membership.
Press [Return] to continue: 3 Checking for 'beoper' user group: .............................. Not Found
Checking for 'root' user membership in 'beoper' user group: .... Not Found
You can create 'beoper' user group manually or you can choose to have it created automatically.
Do you want installer to create 'beoper' user group? [y, n] (y)
Do you want to use specific group ID when creating 'beoper' user group? [y, n] (n)
Creating group 'beoper': ............................................ Done // 如果系统不采用NIS管理用户，安装向导会在本地组中添加beoper组，属于beoper组中的用户可以用于备份该主机上的资源，在备份服务器连接该主机时使用。
Do you want to add the 'root' user to 'beoper' user group? [y, n] (y)
Adding 'root' user to 'beoper' user group: ......................... Done // 如果将root用户加入beoper组，则可以在备份服务器使用root用户连接到该主机，可备份或恢复根下的所有文件和目录。
Press [Return] to continue:
Symantec Backup Exec for Windows Servers Remote Agent for Linux/Unix Servers 11.00.6235
will upgrade from Symantec Backup Exec for Windows Servers Remote Agent for Linux/Unix Servers.
