Please help VM can't boot after reboot and show disk boot fail

[hack3rb43]

When VM runing but now vm crash and stop and 3 vm

i try to start 3 vm but can't boot and show disk boot fail

but before vm can run smote and don't have any problem

i try to restore backup can't boot ( backup from 2 day ago )

i have a problem is same thing 3 time ago but i think is some issue from proxmox

i use proxmox 5.1 please help to fix boot

i try to test fdisk -l i have

Disk /dev/zd80: 180 GiB, 193273528320 bytes, 377487360 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 8192 bytes
I/O size (minimum/optimal): 8192 bytes / 8192 bytes

but don't have paration table

 

[hack3rb43]

i try to use ubuntu resue i have disk is noparation

but use gpart can see paration

 

[Richard]

i try to use ubuntu resue i have disk is noparation

but use gpart can see paration

There is no partition table ("unallocated"!) but filesystems have been detected. Probably the partition table had been destroyed. Maybe you can restore it - but depends on the file system content if it's (still) bootable.

i have a problem is same thing 3 time ago but i think is some issue from proxmox

Rather not.