确定为每个数据卷使用的快照。
这确保数据卷组和文件系统是一致的。
This ensures that the data volume groups and the file systems are consistent.
当操作系统现迁移到新磁盘之后，我重点进行数据卷组迁移。
With the operating system now residing on the new disk, I focused on migrating the data volume groups.
thay想知道有一个ETL工具，他们想选择能够支持任何数据卷的工具。
Thay want to know that an ETL tool they choose will be able to support any data volumes they might require.
可以在一个数据卷组中新建一些分页空间，或者创建一个专门用作分页空间的卷组。
You can create new paging Spaces in a data volume group, or a volume group just for paging.
现在，有了AIXOS位于新hdisk (NetAppLUN)之内，我们就能够迁移这些数据卷组。
With our AIX OS now residing on the new hdisk (the NetApp LUN), we can now migrate the data volume groups.
现在，我们就能够使用reducevg从数据卷组删除这些DS8300 hdisk并从odm删除这个磁盘。
Now we can remove the DS8300 hdisks from the data volume group using reducevg and remove the disk from the ODM.
然后将这个卷挂载到任何实例中来恢复您的数据。
You can then mount this volume on any instance to restore your data.
但是，如果在防止将经常修改的数据放入根卷组内部时采取最佳实践，那么这种方法就可以提供充足的时间进行测试和部署。
But if best practices have been followed in preventing regularly changing data from being inside the root volume group, this option can provide ample time for testing and deployment.
为运行数据复制卷加载灾难站点恢复脚本或过程。
Load the disaster site recovery scripts or procedures for the run data replicated volume.
我们为事务日志数据分配了一个跨越两个卷的文件系统。
A file system that spans two volumes is allocated for transaction log data.
但是，可能需要使用网络卷的不仅仅是用户数据。
在各自的卷组中保存数据还有另一个明显优势：性能。
There's another, more obvious advantage to keeping data in its own volume group: performance.
一个文件系统横跨两个卷，用于事务记录数据。
A file system, which spans two volumes, is allocated for transaction log data.
一个文件系统横跨两个卷，用于事务日志数据。
A file system that spanned two volumes was allocated for transaction log data.
通过添加网络卷，可以提供简便的用户间数据交换或简化相似的连网计算机的维护。
Adding network volumes to the mix provides a way to enable easy user-to-user data exchange or to simplify maintenance of similar networked computers.
确保所有数据均在磁盘卷对之间同步，并且处于全双工状态，如清单17所示。
Ensure all data is synchronized between the disk volume pairs and are in a full-duplex state, as shown in Listing 17.
为应用程序数据所用的其他的磁盘和卷组也存在，但为了简便起见，没有对之进行描述。
Other disks and volume groups also exist for application data but are not depicted for simplicity.
您可以向DS8000上的卷组添加多个卷，供数据和应用程序使用。
You can add more volumes to your volume group on the DS8000 for data or application usage.
如果文件系统包含所需的所有数据，您可以从源lpar输出卷组并导入到目标中。
When the file system contains all the data it requires, you can export the volume group from the source LPAR and import it on the target.
当准备好要移动的数据之后，就从源lpar中移除卷组及其物理卷。
When you have your data ready to move, remove the volume group and its physical volumes from the source LPAR.
您还可以使用该命令添加更多的卷用于数据或应用程序，但是最好通过最低ID将用作操作系统磁盘的卷放在最前面。
You can also use this command to add more volumes for data or applications, but it's better to keep the volume you want to use as an OS disk in first place with the lowest ID.
EBS存储卷是用来存储DB 2数据和DB 2恢复日志，目前是50gb，但要考虑RAID应对未来需要。
EBS volumes are used to store DB2 data and DB2 recovery logs, currently at 50gb, but RAID may be considered for future needs.
现在，使用lslv提供关于逻辑卷的特定数据(见清单5)。
Now, let's use LSLV, which provides for specific data on logical volumes (see Listing 5).
为了确认每个旧hdisk的所有数据(本地卷)都已迁移完毕，运行lspv命令来列出每个磁盘的内容。
To confirm that all the data (logical volumes) for each of the old hdisks had been migrated, I ran the LSPV command to list the contents of each disk.
Kb _ wrtn：报告在测量时间间隔中向物理卷写入的数据量(单位为千字节)。
Kb_wrtn: Reports back the amount of data (kilobytes) from your measured interval that is written to the physical volumes.
Linux配置完成之后，最好将多个卷分配给数据或应用程序。
And it's always a good idea to assign more volumes for data or applications later, after you finish configuring Linux.
您需要制作一个卷保存操作系统数据并为Linux安装提供足够的空间。
You need to make a volume to keep your OS data along with enough space for a Linux installation. It's always a good idea to make it big enough for future use.
卷组中的每个磁盘都有管理数据，包括卷组描述符区域和卷组状态区域。
Each of the disks in the volume group has management data, including a volume group descriptor area and a volume group status area.
在这个卷组上定义了DB 2数据库的所有存储组件，包括表空间、日志和备份。
All storage components of the DB2 database were defined on this volume group, including tablespaces, log, and backups.
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