查找有问题的盘 MegaCli64 -PDList -aALL |grep "Firmware state" 6个盘，2个坏了 查看raid级别和硬盘的状态 MegaCli64 -ShowSummary -aALL|grep -i -E "RAID Level| State"|sort raid1，
https://www.cnblogs.com/anderly/p/14977989.html KVM/QEMU创建虚拟机快照时，报如下错误： Operation not supported: internal snapshots of a VM with pflash based firmware
