HAMMER2 - mounting root from dm_crypt
dillon at backplane.com
Fri Jan 18 16:02:17 PST 2019
HAMMER2 by default names the PFS based on the partition it was created on.
And the H2 mount code will automatically add an @blah suffix according to
the same metrics. But they both get confused when the mount is via the
mapper and that's why the problem occurs. It might have been a bit of a
stretch on my part to try to be fancy in defining the default names when
they weren't otherwise being provided. I think we could detect the crypto
or mapper paths and fix the defaults this way but nobody has gotten around
to coding and validating it all up.
On Fri, Jan 18, 2019 at 12:38 PM Daniel Bilik <ddb at neosystem.org> wrote:
> Hi, Aaron.
> On Fri, 18 Jan 2019 23:02:45 +0800
> Aaron LI <aly at aaronly.me> wrote:
> > Since the HAMMER2 FS was created with '-L ROOT', it requires '@ROOT' to
> > be mounted.
> Ah, that was it. Thank you for pointing out this detail. I've not expected
> it could be related.
> > Another simple way to workaround your issues is use the following setting
> > in /boot/loader.conf:
> > vfs.root.realroot="crypt:hammer2:/dev/serno/<serial-of-disk>.s1d:rootd"
> > Note the final 'd'!
> Indeed, this workaround really works. I've not examined the magic behind
> it but my "ROOT" hammer2 filesystem is correctly mounted during boot with
> original non-patched initrd. Thank you very much for the hint.
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