Date: Thu, 08 Apr 2010 00:59:49 -0700 From: perryh@pluto.rain.com To: psteele@maxiscale.com Cc: freebsd-questions@freebsd.org Subject: Re: How customized can an mfsroot be? Message-ID: <4bbd8cf5.kM98GPFbc40Ckgzy%perryh@pluto.rain.com> In-Reply-To: <7B9397B189EB6E46A5EE7B4C8A4BB7CB3B6F8720@MBX03.exg5.exghost.com> References: <7B9397B189EB6E46A5EE7B4C8A4BB7CB3B6F7D05@MBX03.exg5.exghost.com> <x2uade45ae91004051730j87d11987j47b3b945971c85d6@mail.gmail.com> <7B9397B189EB6E46A5EE7B4C8A4BB7CB3B6F7FAD@MBX03.exg5.exghost.com> <m2gade45ae91004051744pa4d4d86ax6a1e1f38195dc6a7@mail.gmail.com> <7B9397B189EB6E46A5EE7B4C8A4BB7CB3B6F7FDD@MBX03.exg5.exghost.com> <7B9397B189EB6E46A5EE7B4C8A4BB7CB3B6F8066@MBX03.exg5.exghost.com> <7B9397B189EB6E46A5EE7B4C8A4BB7CB3B6F84AD@MBX03.exg5.exghost.com> <4BBC32A4.1080906@infracaninophile.co.uk> <r2j2daa8b4e1004070541v5b617713kddd6a23e4b83c1a9@mail.gmail.com> <7B9397B189EB6E46A5EE7B4C8A4BB7CB3B6F8720@MBX03.exg5.exghost.com>
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Peter Steele <psteele@maxiscale.com> wrote: > In my read-only CD-ROM boot case, /var is created as a MFS device > automatically and populated, but a basic directory layout only is > used. Nothing from the CD-ROM /var is copied into the MFS /var > that is created. > > I cannot figure out how BSD can do this automagically, so I'll > have to have a duplicate copy of /var on the CD and populate it > from that. What I've tried that works well is when I'm about to > run mkisofs to create the .iso from, I rename my /var to /var2 and > create an empty /var. When the iso is booted, a default MFS based > /var is created with a specific collection of directories. I have > a startup script that copies my /var2 contents into /var and that > does the trick. You might be able to reduce the iso size some by making a tarball of /var (using tar -y or tar -z) instead of keeping /var2 as a tree. Granted you would then need to have tar(1) in the iso, which may cancel out much of the savings if you would not otherwise have needed it.home | help
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