该命令镜像给定卷组中存在的所有逻辑卷(请参见清单12)。

This command mirrors all the logical volumes that exist on a given volume group (see Listing 12).

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通常，在对磁盘进行镜像或改变引导设备之后使用这个命令。

Typically, you use this command after mirroring disks or changing boot devices.

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然后运行以下命令将 DMMP 构建到初始化内存镜像中

Then run the following command to build DMMP into the initrd image

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