1. 查看当前卷组空间(volume group)使用情况 [root@localhost ~]# vgdisplay 从下面的代码中发现剩余空间为0 --- Volume group --- VG Name rhel System ID Format lvm2 Metadata Areas Metadata Sequence No VG Access read/write VG Status resizable MAX LV Cur LV Open LV Max PV Cur PV Act P