通过元数据镜像生成冗余副本，保证了元数据的可靠性；
The reliability of metadata is guaranteed by the redundant copies which are generated by metadata mirroring.
在分析关系数据库中MARC数据存储特点的基础上，给出一种MARC数据镜像系统的设计方案。
On the basis of analyzing the characteristic of the MARC data stored in the relation database, this paper proposes a kind of designing scheme of a MARC data mirror system.
在水库洪水调度系统等数据库应用软件的开发过程中，存在数据镜像、汇总、备份等实时主动的数据处理需求。
In the development of the reservoir flood control system software, there are many requirements about real active data processing, such as data mirroring, summation and coping.
DistributedReplicatedBlockDevice的高可用性(m .TimJones,developerworks, 2010年8月)讲述了一种数据镜像方法。
High availability with the Distributed Replicated Block Device (M. Tim Jones, developerworks, August 2010) provides an introduction to one method for data mirroring.
该模式提供更多保护，因为数据被镜像到另一个节点，这仅仅是针对易失性内存，而不是非易失性磁盘。
This mode provides more protection, because the data is mirrored to another node, just in volatile memory instead of the non-volatile disk.
这些转储文件包含了运行中应用程序的完整内存镜像—所有信息和数据都采用hprof格式表示，包括所有原生内存和线程信息。
These dumps contain the entire memory image of the running application - all the information and data in the HPROF format, as well as all of the native-memory and thread information.
在这种模式下，写操作是在数据存储到本地磁盘并镜像到对等节点内存后被确认的。
In this mode, the Write operation is acknowledged after the data is stored on the local disk and mirrored to the peer node's memory.
为了防止数据被破坏，设备本身应该被镜像或者具有数据保护。
The device itself should be mirrored or have data protection to avoid data corruption.
如果打算将镜像初始化为备用数据库或镜像数据库，那么在分割镜像之前，必须将数据库配置参数LOGRETAIN设置为RECOVERY。
The database configuration parameter LOGRETAIN must be set to RECOVERY prior to splitting the mirror if it is intended to be initialized as standby or mirror database.
拓扑编辑器创建了一个匹配的虚拟镜像单元(图20)，根据虚拟镜像的数据，它包含了硬盘定义单元以及网络连接单元。
The topology editor creates a matching bound virtual image unit (Figure 20) that contains disk definition units and network connection units, according to the data in the virtual image file.
可以将从非自动存储数据库创建的备份镜像恢复到自动存储数据库系统，但是反之则不行。
You can restore a backup image taken from a non-automatic storage database into an automatic storage database system, but not the opposite.
在有数据保护(镜像或aid - Z)的卷中，可自动读取或重新生成备用数据。
In a volume that has data protection (mirroring or RAID-Z), the alternate data can be read or regenerated automatically.
分割镜像数据库的活动日志目录不能包含任何不属于分割镜像的日志文件。
The active log directory of the split mirror database must not contain any log file that is not a part of the split mirror.
当分割一个DB 2UD b数据库的镜像时，重要的是要确保在源数据库上不会发生写部分页。
When splitting a mirror of a DB2 UDB database, it is important to ensure that there are no partial page writes occurring on the source database.
用数据库的镜像拷贝替换源数据库(除了活动日志目录之外)。
Replace the source database (excluding the active log directory) with the mirror copy of the database.
Walrus是永久的二级存储，它被节点控制器用于保存vm镜像，有时也存储数据。
Walrus is the persistent secondary storage which is used by the node controllers to store their VM images and sometimes to store data.
对于镜像之外的数据保护来说，Linux包括md(其代表多个磁盘)并提供一系列丰富的RAID功能。
For data protection beyond mirroring, Linux includes md (which stands for multiple disks) and provides a rich set of RAID functionality.
图2中的箭头(从hdisk0到hdisk11)代表了数据迁移的lvm镜像(和migratepv)过程。
The arrow (from hdisk0 to hdisk11) in Figure 2 represents the LVM mirroring (and migratepv) process for data migration.
而图片都来自于CarminePaolino，恰好一个用户拥有“这个站点几乎完全的镜像，这些数据都存放在他的Mac上！”
While the images came from Carmine Paolino, an user who happened to have "nearly complete mirror of the site backed up on his Mac!"
因此，在多分区的数据库中初始化db 2UD b数据库的分割镜像时，建议。
So, the recommendation for initializing a split mirror of a DB2 UDB database in a multi-partitioned database would be.
通过数据库镜像，减少了源数据库负载。(设备将对复制的镜像数据库进行同步，而不是直接对源数据库进行同步。)
It reduces the load on the source database through database mirroring (devices synchronize against a replicated mirror database instead of against the source database directly).
接下来，为应用程序创建并指定一个镜像数据库。
Next we create and specify a mirror database for our application.
它只是作为一个单一的连接点来使用，以便向应用程序提供统一的或单一的数据库镜像。
It will simply serve as a single connection point to deliver the unified or single database image to the application.
日志文件的路径只能包括在用于克隆数据库的分割镜像中。
The path to log files should only be included in the split mirror for clone database.
在分区环境中，在使用数据库之前，必须初始化每个镜像分区。
In a partitioned environment each mirror partition must be initialized before using the database.
装配数据库目录的分割镜像拷贝。
镜像数据库是实施改进同步请求吞吐量能力的操作所必需的。
The mirror database is required for staging operations to improve the throughput capacity of synchronization requests.
DB 2UD b数据库的分割镜像可以被初始化为源数据库的一个快照，实质上是源数据库的一个瞬时克隆。
A split mirror of a DB2 UDB database can be initialized as a snapshot of the source database, essentially an instantaneous clone of the source database.
DB 2UD b数据库的分割镜像可以被初始化为一个热备用数据库，当主数据库不可用时，可提供一个快速的灾难恢复选项。
A split mirror of a DB2 UDB database can also be initialized as a warm standby database, providing a quick disaster recovery option if the primary database becomes unavailable.
DB 2UD b数据库的分割镜像可以被初始化为一个热备用数据库，当主数据库不可用时，可提供一个快速的灾难恢复选项。
A split mirror of a DB2 UDB database can also be initialized as a warm standby database, providing a quick disaster recovery option if the primary database becomes unavailable.
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