Making disk IO place nicely in a guest (VirtualBox)

[Adam Vande More]

On Thu, Aug 7, 2014 at 1:19 PM, Mike Tancsa <mike at sentex.net> wrote:

> Hi,
>         I am running VirtualBox on RELENG_10 as the hypervisor with a
> RELENG10 guest.  I noticed, that when a do a lot of disk IO in the guest
> where the hypervisor cannot keep up, this start to go "bad" in the guest.
>
> If I use the non default AHCI driver, the OS at least can kind of recover.
>  Using the default IDE drivers (non SATA , things panic quickly.)
>
> Is there a way to make the guest OS "slow down" on how fast it can write
> out things to avoid it going into an error state as below ?
>
>
Is your swap device ZFS backed like a ZVOL or something?



-- 
Adam