The future of ZFS in FreeBSD

Cy Schubert Cy.Schubert at
Thu Dec 20 16:15:10 UTC 2018

I suspect the idea is to contribute the FreeBSD bits back to ZoL.

My question is, how much of a base does ZoL really have? The enterprise players with any significant market share won't touch it -- Ubuntu has but IMO they're a niche player (who has violated GPL by including CDDL in their kernel.

The next step should be throwing up a wiki page with a features todo list. Also, this is a large enough project to have its own project branch, with the goal of having it in head before 13 goes GA. I also think people will not accept regressions or other POLA violations.

Sent using a tiny phone keyboard.
Apologies for any typos and autocorrect.
Also, this old phone only supports top post. Apologies.

Cy Schubert
<Cy.Schubert at> or <cy at>
The need of the many outweighs the greed of the few.

-----Original Message-----
From: Alexey Dokuchaev
Sent: 20/12/2018 06:40
To: Eugene M. Zheganin
Cc: freebsd-current at
Subject: Re: The future of ZFS in FreeBSD

On Thu, Dec 20, 2018 at 03:49:38PM +0500, Eugene M. Zheganin wrote:
> On 19.12.2018 23:32, Allan Jude wrote:
> > The biggest thing to remember is that this is still OpenZFS, and still
> > run by the same developers as it has been. We are just commonizing on
> > the repo that has the most features integrated into it.
> Does it mean that ZoF and thus FreeBSD will lose NFSv4 ACLs because
> there is no such thing in ZoL?

+1.  I'm also worried if this would bring more Linuxish bits into our
kernel (cf. LinuxKPI).  Also, I thought that ZFS was never really native
to Linux but implemented through SPL (Solaris Porting Layer), and Linux'
VFS is not ARC-aware unlike Solaris and FreeBSD.

It would be quite upsetting to see ZFS as we know it in FreeBSD become
pessimized because of those things. :-(

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