[arch-projects] [mkinitcpio] mounting /usr from the initrd

Tom Gundersen teg at jklm.no
Tue Aug 2 16:44:38 EDT 2011

On Tue, Aug 2, 2011 at 5:10 PM, Tom Gundersen <teg at jklm.no> wrote:
> I have been thinking about sorting out /usr being a separate
> mountpoint. Mainly because I keep getting bug reports that turn out to
> be caused by this.
> The current status is that we move some tools from /usr to / in the
> hope that this will allow us to boot without /usr being mounted. This
> mostly works, but not quite, as there are still stuff left in /usr
> that are used by early boot (and mostly just fails silently).
> This website created by the systemd folks sums it up nicely (just
> replace "systemd" with "initscripts" everywhere):
> <http://www.freedesktop.org/wiki/Software/systemd/separate-usr-is-broken>.
> The solution they propose, and which I agree with, is to mount /usr
> from the initrd just as we mount / (an alternative solution is to just
> declare separate /usr as not supported, but I guess that would not
> make us popular).
> Before working up a patch, I wanted to hear if there are any
> objections to this approach, and in particular that Thomas agrees that
> it is the right way to go.

A quick follow up: The next initscripts release will have the attached
friendly warning in case you have a separate /usr which is not mounted
from the initrd.

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