Lvchange changes attributes and permissions of a lv.

lvchange：修改一个lv的属性和权限。

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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。

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In special cases where the cycle can't be estimated or copy process times are long, a script could query the Snapshot CoW usage with lvdisplay and extend the lv on demand.

在某些特殊情况下，无法估计备份周期或者复制过程很长，那么脚本可以用lvdisplay查询Snapshot CoW的使用情况并根据需要扩展这个lv。

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With Leeds now into a four-week period of Challenge and LV Cup games, Lewis-Pratt has finally managed to break back into the first team.

BBC: Christian Lewis-Pratt