Azure 的机器DD后硬盘丢失

[wanyunr]

root@sg:~# df -h
Filesystem      Size  Used Avail Use% Mounted on
udev            448M     0  448M   0% /dev
tmpfs            92M  528K   91M   1% /run
/dev/sdb2       3.4G  2.7G  501M  85% /
tmpfs           458M     0  458M   0% /dev/shm
tmpfs           5.0M     0  5.0M   0% /run/lock
/dev/sdb1       511M   11M  501M   3% /boot/efi
overlay         3.4G  2.7G  501M  85% 
tmpfs            92M     0   92M   0% /run/user/0

DD之前大概是这样，

现在

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挂载硬盘也找不到

Step 1.No lock file, begin to create lock file and continue

Step 2.Begin to check free disk

No free disk need to be fdisk. Exit script