nbd挂载恢复虚拟磁盘
1.查找是否安装qemu-nbd
find / -type f -name "qemu-nbd"
/usr/local/qemu-2.12.1/bin/qemu-nbd
2.nbd挂载命令
/usr/local/qemu-2.12.1/bin/qemu-nbd -c /dev/nbd15 /opt/cloud/workspace/disks/ba0c3131-e0eb-4c29-8dc1-31ee0827f497
3.查看虚拟机磁盘分区
ls /dev/nbd15*
/dev/nbd15 /dev/nbd15p1 /dev/nbd15p2
4.挂载目录
mount /dev/nbd15p1 /mnt
5.nbd卸载
umount /mnt
/usr/local/qemu-2.12.1/bin/qemu-nbd -d /dev/nbd15
/dev/nbd15 disconnected