存储映射到主机的disk直接删除后无法删除vg

存储映射到主机的disk，建了一些vg，但是现在直接从san交换机上去掉了映射，主机已经扫描这些disk已经是fail状态，但是vg没有删除，如何删除vg，而且rmdev -l hdiskn时无法删除，提示资源繁忙。

# varyoffvg datavg2
0516-062 lqueryvg: Unable to read or write logical volume manager
        record. PV may be permanently corrupted. Run diagnostics
0516-012 lvaryoffvg: Logical volume must be closed.  If the logical
        volume contains a filesystem, the umount command will close
        the LV device.
0516-942 varyoffvg: Unable to vary off volume group datavg2.

#rmdev -l hdisk9
Method error (/etc/methods/ucfgdevice):
        0514-062 Cannot perform the requested function because the
                 specified device is busy.