Re: BHYVE on NFSv4.2 filesystem?

On Mon, May 18, 2026 at 2:27 PM Dan Shelton <[email protected]> wrote:
>
> On Fri, 20 Feb 2026 at 01:21, Bakul Shah <[email protected]> wrote:
> >
> > On Feb 19, 2026, at 11:45 AM, Dan Shelton <[email protected]> wrote:
> > >
> > > On Wed, 18 Feb 2026 at 22:45, Dan Shelton <[email protected]> wrote:
> > >>
> > >> Hello,
> > >>
> > >> Has anyone tried a BHYVE with a disk as file on a NFSv4.2 mount?
> >
> > Yes. [I tried this on a 15.0-RELEASE-p3 host, nfsv4.2 mounting
> > a filesystem from a 15.0-STABLE machine]
>
> How about the performance? Is it better than iSCSI?
>
> >
> > >
> > > And does BHYVE disk emulation send a NFSv4.2 DEALLOCATE if the disk
> > > gets a TRIM cmd?
> >
> > No idea.
>
> Which tool can be used to figure that out? dtrace on the FreeBSD
> NFSv4.2 client? Rick?
Ask google's ai.

I just typed "does zfs use trim" and it gave me an answer
that looks legit. Is it correct? I don't know, but if you don't
think so, find a ZFS wizzard.

ZFS is the only local fs that supports DEALLOCATE at this
time, so it is up to ZFS.

rick

>
> Dan
> --
> Dan Shelton - Cluster Specialist Win/Lin/Bsd
>