[pve-devel] [PATCH 1/4] RFC: Efficient VM backup for qemu

[Dietmar Maurer]

> Also another question, what happen is the backup storage goes down or not
> available? (maybe a network storage, maybe on a wan or remote site).
> 
> Does the vm will hang ?
> 
> Maybe some timeout protection could be great ? (stop backup if storage not
> available since X seconds, or if X writes are hanging).

I guess that will result in a write error, so backup aborts.