使用这些磁盘创建用户定义的卷组。
选择用来创建卷组的适当节点。
图3显示每个节点上有两个卷组。
Figure 3 shows that there are two volume groups on each node.
本例中，每个卷组都创建了逻辑卷。
In our case we created the logical volumes per volume group.
关闭逻辑卷后，就能够停用卷组。
When the logical volumes are closed, you should be able to deactivate the volume group.
LVM能把磁盘全部划分到卷组中。
vgsplit：分割一个卷组。
卷组可以在逻辑上划分成多个逻辑卷。
And a volume group can be logically partitioned into logical volumes.
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.
从源lpar中移除卷组以及其磁盘。
这些磁盘收集在一个组中，称作卷组。
These disks are collected in a group, called the volume group.
定义了磁盘之后，您就可以定义卷组了。
After you have defined the disks, you can define the volume groups.
如下的示例描述了如何将域分配到卷组。
The following example describes how domains can be assigned to volume groups.
正如之前所讨论的，域也可以应用到卷组。
As previously discussed, domains can be applied to volume groups as well.
在此之前，必须关闭属于此卷组的逻辑卷。
To do that, the logical volumes belonging to that volume group must be closed.
在卷组中，定义逻辑卷。
陷阱3：管理外部卷组。
它把一个或多个物理卷(磁盘)组合成卷组。
It groups one or more physical volumes (disks) into a volume group.
在位卷组创建逻辑卷之前，创建JFS日志。
Create the JFS log before creating the logical volumes for the volume groups.
可以将外部卷组修改给大型或可伸缩的卷组。
You can change external volume groups to big or scalable volume groups.
它接受逻辑卷、物理卷或卷组名称作为参数。
It accepts names of logical volumes, physical volumes, or volume groups as parameters.
卷组是物理卷的集合。
在目标LPAR上配置磁盘、卷组和文件系统。
Configure the disks, volume group, and file systems on the target LPAR.
首先，我们需要准备将用于配置中的磁盘和卷组。
First we need to prepare the disks and volume groups that will be used in the configuration.
AIX 将属于某个卷组的磁盘 看做是物理卷。
The disks that belong to a volume group are what AIX knows as physical volumes.
卷组：许多应用程序需要高可用的卷组。
Volume group: Volume groups are required to be made highly available with many applications.
我们可以指定在创建卷组时使用的特定的范围大小。
We can specify the particular extent size to use at volume group creation time.
如果将逻辑卷复制到空的卷组，就会出现这种情况。
This occurs if you are copying logical volumes to an empty volume group.
我们用几个LVM命令捕获当前的磁盘和卷组配置。
We capture the current disk and volume group configuration with several LVM commands.
新的实例位于当前的根卷组（例如，相同的磁盘）中。
The new instance is housed within the current root volume group (for example, the same disks).
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