You needed to back up and delete the striped LV, and then recreate the LV with a larger stripe width followed by a restore operation of the LV data.

您需要备份并删除该striped LV，然后使用更大的stripe宽度重新创建LV，接下来还要对LV数据进行相应的还原操作。

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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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Up first is the 1080-capable HD81-LV, which pretty much stomps its predecessor in the specs department by offering up 2, 500 ANSI lumens, 12, 000:1 contrast ratio, and HDMI.

ENGADGET: Optoma announces trio of DLP projectors