系统备份和恢复——整个系统。
两者都能执行完全系统备份。
在系统备份方面的时间节省是巨大的。
That's a significant savings in the amount of time required to obtain a backup of the system.
必须将创建系统备份映像设置为yes。
策略3：系统备份和恢复。
进行一次文件系统备份。
为什么是DB2备份而不是文件系统备份？
系统备份也是加密的。
也可以冻结文件系统来支持文件系统备份的快照。
You can also freeze file systems to support snapshots for file system backup.
许多企业都在队列管理器运行时进行文件系统备份。
Many shops take that filesystem backup while the queue manager is running.
这是完全系统备份，您要定期执行以保存整个系统。
This is the full system backup that you would do periodically to capture the entire system.
系统备份是备份中的一个重要部分，但往往被忽略。
System backup is an essential part of a backup and is usually forgotten.
而在文件系统备份中，要么是全部恢复，要么一个也不恢复。
要详细了解如何创建可靠的操作系统备份，请参阅参考资料。
For more details about how to create reliable operating system backups, see Resources.
这可能是创建系统备份的一种灵活方法，而且不需要物理介质。
This can be a flexible way to make system backups without the need for physical media.
每两个单元间具有视频交叉链路通信路径，将能够进行系统备份。
A video cross link communication path between both units will enable system redundancy.
全系统备份是某一指定时间点(即归档检查点)上整个系统的快照。
A whole-system backup is a snapshot of the entire system at a single point in time (known as the archive checkpoint).
全系统备份本身就是很好的主意，我希望您不定期地对系统进行备份。
Full system backups are good things in their own right, and I hope you back up your system on at least a semi-regular basis.
系统备份是任何计划的重要组成部分，并允许网络的迅速重建。
System backups are an essential part of any plan and allow rapid reconstruction of the network.
因此您需要维护在其中托管了软件以及任何系统备份的系统的物理安全性。
So you need to maintain physical security of the system hosting the software and any backups to that system.
通常系统备份是在系统发生变化时执行的(例如安装新应用程序或补丁)。
Normally a system backup is carried out when there are changes to the system, (the installation of new application or patches, for example).
在使用基于SAN的引导设备时，一些环境要求执行aix操作系统备份。
When using SAN-based boot devices, some environments require that a backup of AIX operating environment be performed.
在这种情况下，本文力求找出一种对网络系统合理实用的系统备份方案。
Under this case, we try to find out one system backup scheme which is practical and appropriate to network system.
在开始配置系统之前，确保有一个最新的系统备份，并且手头有一张援助用的CD。
Before starting to configure your system, make sure that you have an up-to-date system backup and a rescue CD handy.
这对于使用mksysb命令(参阅参考资料了解详细信息)进行系统备份很重要。
This is important for when you do system backups using the mksysb command (see Resources for more details).
如果您正在计划对您的Linux系统进行重大升级，则现在可能是执行全系统备份的好时机。
If you're planning on making major upgrades to your Linux system, this may be a good time to perform a full system backup.
第一个数字是1或者0，指定系统是否应该用dump（系统备份的一个选项）进行复制。
The first number is either 1 or 0 and indicates whether the system should be copied with a dump (an option for system backups).
分布式ContentManager系统备份策略和考虑事项非常复杂，超出了本文的讨论范围。
The distributed Content Manager system backup strategies and considerations can be complex and therefore out of the scope of this article.
并且，要保护私有密匙的安全性，只能将keystore和密码放到该系统和系统备份中。
And you should keep the keystore and password only on that system and those backups in order to keep your private keys secure.
这么做会产生各种各样不好的后果，包括性能差、系统备份过多、可管理性受损以及故障发生几率增加。
Doing so has all sorts of bad consequences, including poor performance, massive system backups, deterring manageability, and increasing odds of failure.
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