VirtIo errors inside VM with UFS-in-zvol

[Marat Bakeev]

On 26/08/2014 09:28, Allan Jude wrote:
>> Thanks Peter,
>>
>> That would be volmode=dev, correct?
> You want: vfs.zfs.vol.mode=2
> in /boot/loader.conf
>
> It is my understanding that the sysctl must be set BEFORE the pool is
> imported to work correctly.
What is the difference between property 'volmode=dev', and the sysctl?
When do I need to use the sysctl, and when do one needs to use the 
volmode=dev?

Either of them must be set in the host system, of course?