背景:某机器有2块闪存卡,利用LVM,将其挂载到一个目录供测试使用: 之前厂商已经安装了闪存卡对应的驱动,fdisk可以看到闪存卡信息,但是在pvcreate创建时,遭遇如下错误: # pvcreate /dev/dfa Device /dev/dfa not found (or ignored by filtering). # pvcreate /dev/dfb Device /dev/dfb not found (or ignored by filtering). fdisk -l可以看到这