卸载所有的文件举行了卷组 
lsvg -l <old_vgname> lsvg - 1 <old_vgname> 
umount each file system.

卸载每个文件系统。 

varyoffvg <old_vgname>  

lsvg <oldvg_name> 

This tells you which disks are in the VG这就告诉你该磁盘中的卷组 

exportvg <old_vgname>  
importvg -y <new_vgname> <name_of_disk_in_vg> 
varyonvg <new_vgname>