[Nix-dev] NILFS2, NixOS, nixpart and Blivet

Wout Mertens wout.mertens at gmail.com
Sun Oct 5 12:48:12 CEST 2014


FWIW, btrfs and ZFS also do non destructive writes, they're Copy on Write.

As a bonus you get unlimited instant snapshots and lots of other wonderful
things.

I prefer btrfs as it has more of a desktop focus and feature set as well as
being in the kernel, but ZFS is more mature.

Wout.
On Oct 5, 2014 11:39 AM, "Nicolas Pierron" <nicolas.b.pierron at gmail.com>
wrote:

> On Tue, Sep 30, 2014 at 1:08 PM, Tim Barbour <trb at categorical.net> wrote:
> > NILFS2 is a log-structured filesystem which is now in the Linux kernel
> source
> > tree, and supported by GRUB2. It should appeal to NixOS users because it
> > avoids destructive update ("changing" a file produces a new version of
> the
> > file).
> >
> > I have installed NixOS with all filesystems on NILFS2, but encountered
> some
> > problems along the way.
>
> Looking at the details of NILFS2, I saw that it does a linear search
> within directories.  This is far from ideal for the /nix/store as this
> directory is HUGE.  This might have a noticeable cost at the start-up
> of a computer / programs.
>
> --
> Nicolas Pierron
> http://www.linkedin.com/in/nicolasbpierron - http://nbp.name/
> _______________________________________________
> nix-dev mailing list
> nix-dev at lists.science.uu.nl
> http://lists.science.uu.nl/mailman/listinfo/nix-dev
>
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