离线策略应用到用于备份和恢复数据库映像的机器。
An offline policy is applied to a machine that is used for backing up and restoring database images.
如果出现站点范围内的故障，则存活的站点总是有一个可镜像的、准确的数据库映像。
If a site-wide failure occurs, the surviving site always has a mirrored, accurate image of the database.
因为DB 2II为远程数据源提供了一个虚拟的数据库映像，所以我们不需要为每个这样的活动编写代码。
Because DB2 II presents a virtual database image of remote data sources, we didn't need to write code for each of these activities.
有许多向导(如图5所示)可以帮助DB 2DBA执行常见的任务，比如创建备份数据库映像和恢复以前的映像。
There are many wizards, as shown in Figure 5, to help new DB2 DBAs to perform common tasks, such as creating a backup database image and restoring previous images.
根据一份SAP文档，HANA放在内存中的数据由一个记录事务并具有能创建数据库映像的保存点的持久化层提供支持，这让它能够从停电或其它的中断中恢复。
Data held in memory by HANA is backed by a persistence layer that logs transactions and incorporates savepoints that create images of the database, according to an SAP document.
DB 2恢复命令调用DB2包含在数据库备份映像中的代理，然后DB 2代理通过与安全服务器通信对其进行解密。
The DB2 restore command invokes the DB2 agent contained in the database backup image, and the DB2 agent decrypts it by communicating with the security server.
离线策略控制备份和恢复命令，以及数据库备份映像的加密和解密。
The offline policy controls backup and restore commands, and the encryption and decryption of database backup images.
当指定外部模块之后，它将代替包含在数据库备份映像中的模块被使用。
When an external module is specified, it is used instead of the module contained in the database backup image.
在导入之后，由一个DB代理加密并由一个安全服务器管理的数据库备份映像可以恢复到由另一个安全服务器管理的另一个db代理。
By doing so, a database backup image encrypted by one DB agent and managed by one security server, can be restored to another DB agent managed by another security server.
能够从表空间备份映像中重新构建数据库。
The ability to rebuild databases from table space backup images.
用好的备份映像联机恢复数据库。
这使您能够结合使用DB 2代理模块和备份，从而实现通过与安全服务器通信加密数据库备份映像。
This enables you to use the DB2 agent module with a backup, which enables you to encrypt a database backup image by communicating with the security server.
其主要思想是对一个完整的数据库备份映像执行一个重定向恢复操作。
The idea is to perform a redirected restore operation on a full database backup image.
表空间或数据库的恢复可以通过恢复备份映像和前滚来完成。
The restore for table Spaces or database can be done by restoring a backup image and rolling forward.
因此这最终会在数据库中保留每个页的副本(几乎是一个新的备份映像)，这就背离了仅跟踪渐进的页更改的目标。
You may end up having a copy of every page in the database (essentially a new backup image), which defeats the purpose of tracking only incremental page changes.
为数据库备份映像加密时，将动态创建并应用一个对称密匙。
A symmetric key is dynamically created and used for encrypting a database backup image.
数据库备份压缩(V8 FP4)：通过压缩产生较小的备份映像。
Database backup Compression (V8 FP4) : Compression to result in smaller backup images.
可以使用映像运行全新的数据库安装，也可以将修订包应用于现有的安装。
You can use an image to run a fresh database installation, or apply a fix pack on top of an existing installation.
离线策略，用于保护数据库备份映像。
An offline policy is used for protecting database backup images.
数据库备份映像包含用于解密的DB2代理模块和信息。
The database backup image contains the DB2 agent module and information required for decrypting it.
目前使用默认映像；选择另一个AMI可以增加其他软件包，比如数据库。
For now, use the default; suffice it to say, selecting another AMI provides a wealth of opportunities to add additional packages such as a database.
要交付能真正为您的终端用户带来价值的DBaaS，最关键的一步是提前决定应该在云环境上提供哪些类型的数据库模板和映像。
The most critical step toward delivering DBaaS that truly brings value to your end users is to decide ahead of time what type of database templates and images should be made available on the cloud.
EncryptionExpert对加密数据库备份映像使用混合的加密算法。
Encryption Expert USES a hybrid encryption algorithm for encrypting database backup images.
恢复bos映像并合并设备数据库(类似于传统迁移)。
The bos image is restored and the device database is merged (similar to a conventional migration).
您将可以恢复备份映像和前滚来完成恢复处理，或者让数据库停留在挂起状态。
You will restore the backup image and roll forward to complete the process, or leave the database in a pending state. There are two types of rolling forward.
您需要有适用于各种角色(Web服务器、电子邮件服务器、数据库服务器等)的基础机器映像，并使用工具(如Chef或Puppet)来自动化配置实例。
You need to have base machine images for the various roles (web server, E-mail server, database server, and so on) and to use tools like Chef or Puppet to automatically configure instances.
在使用RESTOREDATABASE命令从备份映像创建备用数据库时，IBM建议指定REPLACEHISTORYFILE选项。
When using the RESTORE database command to create the standby database from a backup image, IBM recommends that the REPLACE HISTORY FILE option be specified.
这就称作前映像(before -image)，被用于恢复数据，确保了数据库的完整性。
This is called before-images and before-images are used for restore to ensure database integrity.
部署数据库本身可以使用DB2备份映像来完成，或者数据库可以从数据摘要重新构造成加载文件。
Deploying the database itself can be accomplished using DB2 backup images, or the database can be reconstructed from data extracts into load files.
当您部署映像并将数据导入数据库之后，就可以根据需要复制那个映像任意多次，并开始运行您的数据处理任务。
After you deploy the image and import the data into the database, you could then duplicate that image as many times as necessary and start running your data-processing tasks.
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