Gentoo Archives: gentoo-dev

From: Mike Gilbert <floppym@g.o>
To: Gentoo Dev <gentoo-dev@l.g.o>
Subject: Re: [gentoo-dev] Add systemd/merged-usr profiles
Date: Fri, 02 Sep 2022 15:11:39
Message-Id: CAJ0EP42RrXz3njL0WxR6u8z-H1aF7BSv7ZvSNYCt8F7uZTKDsA@mail.gmail.com
In Reply to: Re: [gentoo-dev] Add systemd/merged-usr profiles by Mike Gilbert
1 On Fri, Sep 2, 2022 at 11:05 AM Mike Gilbert <floppym@g.o> wrote:
2 >
3 > On Fri, Sep 2, 2022 at 9:01 AM Marc Schiffbauer <mschiff@g.o> wrote:
4 > >
5 > > * Mike Gilbert schrieb am 01.09.22 um 03:38 Uhr:
6 > > > On Wed, Aug 31, 2022 at 12:29 PM Jaco Kroon <jaco@××××××.za> wrote:
7 > > > >
8 > > > > Hi,
9 > > > >
10 > > > > That really depends.
11 > > > >
12 > > > > If the expectation is that everything in /usr/{bin,sbin,lib*} needs to now fit on / rather than /usr we're queued to re-install a very, very large number of hosts.
13 > > >
14 > > > You have that reversed: the expectation is that everything in
15 > > > /{bin,sbin,lib} will fit in /usr. In other words, we move files from /
16 > > > into /usr.
17 > >
18 > > So does this mean, that having /usr on a seperate filesystem remains
19 > > "supported" but is now only possible with a proper initrd?
20 >
21 > Switching to merged-usr does make it pretty much impossible to boot
22 > without an initramfs if /usr is on a separate filesystem.
23 >
24 > Having /usr on a separate filesystem without an initramfs to mount it
25 > has been "unsupported" for several years; the council made a decision
26 > on that in 2013 [1].
27 >
28 > [1] https://projects.gentoo.org/council/meeting-logs/20130813-summary.txt
29
30 To more directly answer your question: yes, having /usr on a separate
31 filesystem is still "supported" with an appropriate initramfs.

Replies

Subject Author
Re: [gentoo-dev] Add systemd/merged-usr profiles Marc Schiffbauer <mschiff@g.o>