pvcreate -ff /dev/sdb

vgcreate data /dev/sdb #卷组名

pvscan

vgscan

vgdisplay pesize   查看Free  PE 值为51199

pvdisplay

lvcreate -l 51199 data –name datalv #data为vg的名字 datalv是逻辑卷名

mkfs.ext4 /dev/mapper/data-datalv #格式化  /dev/mapper/vg名-lv名

e2label /dev/mapper/data-datalv data #给lv一个标签

vim /etc/fstab

label=data /data ext4 defaults 1 2 #开启启动

Categories: OS

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