Logical volumes (LVs) point to a set of specific PPs; a single LV can point to up to three PPs for mirroring through the logical partitions (LPs) mapping.
逻辑卷(LV)指向一组特定的PP;一个LV最多可以指向三个PP,从而支持通过逻辑分区(LP)映射进行镜像。
Create a read-write Snapshot of the original LV.
为原lv创建一个可读写的快照。
You cannot dynamically reduce the size of a snapshot LV.
不能动态减少快照逻辑卷的大小。
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