Taylor R Campbell <campbell+netbsd-tech-userlevel%NetBSD.org@localhost> writes: >> Date: Thu, 17 Mar 2022 08:32:40 -0400 >> From: Greg Troxel <gdt%lexort.com@localhost> >> >> Simon Burge <simonb%NetBSD.org@localhost> writes: >> >> > 5. Move all local mounts to /etc/rc.d/mountcritlocal (ala >> > FreeBSD) and possibly rename this to /etc/rc.d/mountlocal . >> >> I think the only thing we lose with this is the ability to mount local >> filesystems on top of mount points that are in remote filesystems, >> without playing the noauto/rc.local game. I am ok with this personally, >> but it feels hard to be sure it won't cause trouble, and I do expect >> some trouble. > > Does anyone actually do this -- have local mounts on top of remote > mounts? > > I keep hearing about the theoretical possibility of /usr on nfs and > /usr/src or /usr/local on local ffs. But you'd really have to go out > of your way to set that up -- certainly sysinst won't do that for you. > Not sure it's too much to ask that if you do set something up like > that you use noauto/rc.local or a local rc.d script to manage it. > > Is this obscure use case actually worth worrying about enough to add > new knobs, invent new NetBSD-specific zfs properties, and/or keep a > confusing series of mount stages in rc.d? > > I think it would be better to just nix the `critical' distinction: > mount root, then mount all local, then start networking and mount all > remote. Keep it simple unless there's a strong reason not to. It is really hard to assess the costs of these two paths over all users and uses. I don't object to mounting all local in mountcritlocal (and I don't care if it is renamed to mounlocal). I don't want to commit that personally, since I don't want to bite off responsibility for fixing problems I didn't anticipate. Right now, mountcritremote comes before servers/etc. and the rest can happen later, in mountall. Right now for almost everyone mountcritremote does nothing. That does't have a compelling reason for change, so there's only risk of breaking things we don't understand, and I'm inclined to leave it.
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