Date: Thu, 11 Jan 2001 11:01:45 -0800 (PST) From: Matt Dillon <dillon@earth.backplane.com> To: Sheldon Hearn <sheldonh@uunet.co.za> Cc: obrien@FreeBSD.ORG, Doug Barton <dougb@FreeBSD.ORG>, cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/etc crontab rc src/etc/defaults rc.conf src/etc/mtree BSD.root.dist src/libexec Makefile src/libexec/save-entropy Makefile save-entropy.sh Message-ID: <200101111901.f0BJ1jU72510@earth.backplane.com> References: <8537.979239256@axl.fw.uunet.co.za>
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I'm going to be blunt: Hell will freeze over before I allow the entropy
file to be placed in /. It makes absolutely no sense whatsoever to break
our ability to mount a read-only / just because nobody is willing to do
some minor shifting of things in /etc/rc. We have a directory for variable
data, it's called /var. We have a directory for persistent state files,
it's called /var/db. They must be used, ESPECIALLY for something like
this.
This whole entropy thing has been a holy mess, and placing the file
in / makes it even more of a mess. We don't need the level
of randomness-paranoia that is being programmed into the system.
-Matt
:On Thu, 11 Jan 2001 10:33:17 PST, "David O'Brien" wrote:
:
:> Why use /.entropy as the default rather than /var/<xxx>/entropy ?
:> / is often quite small, and everyone knows /var must (1) be writeable,
:> and (2) have space for things to grow in.
:
:I'm pretty sure that this has all been discussed before, with quite a
:bit of consensus (although some might bitch about the period in the
:directory name '/.entropy'.
:
:The entropy seed files need to be in the root partition because a seeded
:entropy device is needed _very_ early on. Specifically, it's needed by
:at least mount_mfs(8). If we wait 'til /var is mounted, we have to wait
:for everything in /etc/fstab to be mounted, so you end up with
:mount_mfs(8) blocking on the entropy device.
:
:Hope that helps.
:
:Ciao,
:Sheldon.
:
:
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