Virtual disk error after backup.

[Fer39]

Good afternoon after the backup 1 KVM, there was a disk error on 2 virtual machines. On the Hypervisor with no errors.


An error inside a virtual machine.

end_request: I/O error, dev sad, sector 27436549

Hypervisor install ZFS RAID 1 Mirror
Proxmox ver 3.4.6
2 Disc SanDisk SDSSDHII960G