Re: CVS commit: src/sbin/cgdconfig

[Christoph Badura <bad%bsd.de@localhost>]

On Thu, Dec 27, 2018 at 09:53:44PM +0000, Alexander Nasonov wrote:
> Alexander Nasonov wrote:
> > XXX Default paramsfile for NAME=label is /etc/cgd/dkNN (resolved wedge
> > partition) and /etc/cgd/ROOT.<suffix> for ROOT.<suffix>. This isn't yet
> > documented. IMO, it should be the other way around: /etc/cgd/label
> > for the former and /et/cgd/[root-device] for the latter.
> 
> This is true for NetBSD-8 which doesn't support ROOT. prefix.
> Both prefixes are resolved to real device names before composing
> a default paramsfile in NetBSD-current.

Using /etc/cgd/ROOT.<suffix> has the advantage that the cgd will configure
if the root device changes name, thus upholding POLA.

E.g. moving disks from a controller that attaches sd(4)s to one that
attaches ld(4)s.  I believe you can see that when dd'ing an image from
SDcard to MMC on Pinebook.

It seems to me that similar behaviour for NAME=label would be more useful
too. dk(4) attachments move around in practice.

--chris