Since 16.04.4 LTS with Kernel 4.4.0-128-generic/x86_64 the problems seems to be fixed. Our VM with more than one VHD are running without problems for two weeks now. Neither backups nor cluster failovers are crashing the VM.
Since 16.04.4 LTS with Kernel 4.4.0-128- generic/ x86_64 the problems seems to be fixed. Our VM with more than one VHD are running without problems for two weeks now. Neither backups nor cluster failovers are crashing the VM.