pvcreate无法创建物理卷

问题：

[root@484288 ~]# pvcreate /dev/sdc
  Device /dev/sdc excluded by a filter.

解决方法：

wipefs -a /dev/sdc

参考：

https://serverfault.com/questions/917650/vgextend-device-excluded-by-a-filter

http://it.ckcest.cn/article-3986563-1.html