zfsroot.rc revision 1.4 
11.1Sroy#/bin/sh
21.1Sroy#
31.4Sroy#	$NetBSD: zfsroot.rc,v 1.4 2020/02/25 20:05:10 roy Exp $
41.2Sroy
51.4Sroy# Assumption - boot.cfg loads this ramdisk.
61.4Sroy# Assumption - The needed kernel modules: solaris and zfs; are either on this
71.4Sroy#              ramdisk OR loaded by boot.cfg.
81.4Sroy#              Finding the correct dev node to mount to get them is too magic.
91.4Sroy#              NetBSD cannot build and distribute a kernel with ZFS builtin.
101.4Sroy# Assumption - the root pool is set to legacy mount.
111.1Sroy
121.1Sroy# Configurable - define the ZFS root pool and ROOT.
131.1Sroy# XXX Can these be set in boot.cfg?
141.1Sroyrpool=rpool
151.1Sroyrroot=ROOT
161.1Sroy
171.1Sroy# Setup some stuff incase things go south and we drop to the shell
181.1Sroyexport HOME=/
191.1Sroyexport PATH=/sbin:/bin:/usr/sbin:/usr/bin
201.1Sroyumask 022
211.1Sroy
221.2Sroy# FIXME XXX Sometimes zpool import gets SIGBUS
231.2Sroy# Ensure that we are in a writable directory to try and capture a coredump
241.2Sroy# Not that we actually get a coredump ....
251.2Sroycd /tmp
261.2Sroy
271.2Sroyecho "Importing $rpool"
281.2Sroy/sbin/zpool import -f -N "$rpool"
291.2Sroy
301.2Sroyecho "Mounting $rpool/$rroot to /altroot"
311.2Sroy/sbin/mount -t zfs "$rpool/$rroot" /altroot;
321.2Sroy
331.2Sroy/sbin/sysctl -w init.root=/altroot
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