Re: BHYVE on NFSv4.2 filesystem?

Dan Shelton <[email protected]> Mon, 18 May 2026 23:26:44 +0200

Newsgroups	gmane.os.freebsd.devel.hackers
Message-ID	<CAAvCNcAqoL7JjQfQq-Z8pauuxNHWU90Hk0rMrRoA8u-tGAJ=bw@mail.gmail.com>

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?

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