disk extend
extend
#LV动态增加磁盘大小:
pvcreate /dev/sdk
vgextend VolGroup00 /dev/sdk #将pv加入到VG(VolGroup00)中
lvextend -l +100%FREE /dev/VolGroup00/LVdata1 #将VG(VolGroup00)中所有的余量加入到LV(LVdata1)中
xfs_growfs /dev/VolGroup00/LVdata1 #(加入后动态加入要需要使用xfs_growfs动态收缩磁盘)