1.分区,
查看磁盘使用:fdisk -l
对磁盘分区:fdisk /dev/sdb
2.创建pv
pvcreate /dev/sdb1
查看pv: pvdisplay
3.查看vg
vgdisplay
--- Volume group ---
VG Name VolGroup00
4.扩容vg
vgextend VolGroup00 /dev/sdb1
Volume group "VolGroup00" successfully extended
5.检查vg
6.查看lv
7.扩容lv
8.查看lv
9.扩容磁盘空间
扩容分区:resize2fs /dev/mapper/lv_root
xfs扩容分区:xfs_growfs /dev/mapper/lv_root
查看: df -h
完成