To find out the maximum supported LTG size of your hard disk, you can use the lquerypv command with the -m flag.
要找出您的磁盘所支持的最大LTG大小,可以使用带- M标志的lquerypv命令。
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When the LTG size is set using the -m flag, the varyonvg and extendvg commands might fail if an underlying disk has a maximum transfer size that is smaller than the LTG size.