You can create new paging Spaces in a data volume group, or a volume group just for paging.
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。
2
The only difference is, instead of the target filesystem residing in the same volume group, it would be created in a different volume group.
唯一的区别是，目标文件系统并不在同一卷组中，而是在另一个卷组中创建它。
3
As we are overwriting another logical volume, make sure that the destination logical volume has the logical volume type set to copy instead of jfs2 (in the logical volume attributes).