Date: Tue, 3 Mar 2015 17:51:10 +0100 From: Dirk-Willem van Gulik <dirkx@webweaving.org> To: freebsd-hackers@freebsd.org Subject: pivot_root() and FreeBSD Message-ID: <654E1C53-8536-406D-B218-EA6F20848821@webweaving.org>
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I am trying to do, in effect an PXE boot/install on a local volume - and would like the machine to cut over into normal running without a reboot*. So effectively I would like to do the equivalent of pivot_root() and perhaps something special for init(8), and then jettison md, nfs and what not. Is there any way to do this on 10.1 or -current ? Or has anyone recently done work on Adrian Steinmann his 'Pivot Root for BSD’** ? Thanks, Dw. *: the scenario is a set of tests and generation scripts during which there should be no reliance on the network - and where we’d like to avoid a reboot given the state we are bringing the disks and a USB device into.. Thus precluding an NFS mounted install during the test -and- precluding a reboot post install. Yet it is very desirable to have a powercycle use PXE to create a known baseline. **: http://www.netbsd.org/gallery/presentations/ast/2012_EuroBSDCon/Talk_PivotRoot4BSD.pdf 2012-10-17: Pivot Root (Kernel Module for NetBSD 6.x 20121017) / http://www.netbsd.org/~ast/patches/pivot_root.tbz_20121017
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