让我们研究一下磁盘上逻辑卷的布局，以确定是否需要更改定义或者重新组织数据。
Let's look at the layout of the logical volumes on disks to determine if you need to change definitions or re-arrange your data.
它通过高效地重新组织关键数据库(并且最大限度地减少停机时间)来改进数据储存资源的利用率。
It improves the utilization of data storage resources by efficiently reorganizing vital databases with minimal application downtime.
重命名dbspace操作只改变了dbspace的名称，不会重新组织数据。
The rename dbspace operation only changes the dbspace name; it does not reorganize data.
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