关于vg报错

新建一VG，加了一块磁盘，smit建完后提示OK。但发现状态是非激活的

# varyonvg datavg
# 0516-034 lqueryvg: Failed to open VG special file. Probable cause
is the VG was forced offline. Execute the varyoffvg and varyonvg
commands to bring the VG online.
0516-932 /etc/syncvg: Unable to synchronize volume group datavg.
# varyoffvg datavg
0516-034 lqueryvg: Failed to open VG special file. Probable cause
is the VG was forced offline. Execute the varyoffvg and varyonvg
commands to bring the VG online.
#


这是什么情况？现在是什么操作都做不了