functions-unmount.sh revision 209552 
1#!/bin/sh
2#-
3# Copyright (c) 2010 iXsystems, Inc.  All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
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8# 1. Redistributions of source code must retain the above copyright
9#    notice, this list of conditions and the following disclaimer.
10# 2. Redistributions in binary form must reproduce the above copyright
11#    notice, this list of conditions and the following disclaimer in the
12#    documentation and/or other materials provided with the distribution.
13#
14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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26# $FreeBSD: head/usr.sbin/pc-sysinstall/backend/functions-unmount.sh 209552 2010-06-27 16:46:11Z imp $
27
28# Functions which unmount all mounted disk filesystems
29
30# Unmount all mounted partitions under specified dir
31umount_all_dir() {
32  	_udir="$1"
33	_umntdirs=`mount | sort -r | grep "on $_udir" | cut -d ' ' -f 3`
34	for _ud in $_umntdirs
35	do
36		umount -f ${_ud} 
37	done
38}
39
40# Script that adds our gmirror devices for syncing
41start_gmirror_sync()
42{
43
44 cd ${MIRRORCFGDIR}
45  for DISK in `ls *`
46  do
47    MIRRORDISK="`cat ${DISK} | cut -d ':' -f 1`"
48    MIRRORBAL="`cat ${DISK} | cut -d ':' -f 2`"
49    MIRRORNAME="`cat ${DISK} | cut -d ':' -f 3`"
50   
51    # Start the mirroring service
52    rc_halt "gmirror insert ${MIRRORNAME} /dev/${MIRRORDISK}"
53
54  done
55
56};
57
58# Unmounts all our mounted file-systems
59unmount_all_filesystems()
60{
61   # Copy the logfile to disk before we unmount
62   cp ${LOGOUT} ${FSMNT}/root/pc-sysinstall.log
63   cd /
64
65   # Start by unmounting any ZFS partitions
66   zfs_cleanup_unmount
67
68   # Lets read our partition list, and unmount each
69   ##################################################################
70   for PART in `ls ${PARTDIR}`
71   do
72     
73     PARTFS="`cat ${PARTDIR}/${PART} | cut -d ':' -f 1`"
74     PARTMNT="`cat ${PARTDIR}/${PART} | cut -d ':' -f 2`"
75     PARTENC="`cat ${PARTDIR}/${PART} | cut -d ':' -f 3`"
76     PARTLABEL="`cat ${PARTDIR}/${PART} | cut -d ':' -f 4`"
77
78     if [ "${PARTENC}" = "ON" ]
79     then
80       EXT=".eli"
81     else
82       EXT=""
83     fi
84
85     #if [ "${PARTFS}" = "SWAP" ]
86     #then
87     #  rc_nohalt "swapoff /dev/${PART}${EXT}"
88     #fi
89
90     # Check if we've found "/", and unmount that last
91     if [ "$PARTMNT" != "/" -a "${PARTMNT}" != "none" -a "${PARTFS}" != "ZFS" ]
92     then
93       rc_halt "umount -f /dev/${PART}${EXT}"
94
95       # Re-check if we are missing a label for this device and create it again if so
96       if [ ! -e "/dev/label/${PARTLABEL}" ]
97       then
98         case ${PARTFS} in
99             UFS) glabel label ${PARTLABEL} /dev/${PART}${EXT} ;;
100           UFS+S) glabel label ${PARTLABEL} /dev/${PART}${EXT} ;;
101           UFS+J) glabel label ${PARTLABEL} /dev/${PART}${EXT}.journal ;;
102               *) ;;
103         esac 
104       fi
105     fi
106
107     # Check if we've found "/" and make sure the label exists
108     if [ "$PARTMNT" = "/" -a "${PARTFS}" != "ZFS" ]
109     then
110       if [ ! -e "/dev/label/${PARTLABEL}" ]
111       then
112         case ${PARTFS} in
113             UFS) ROOTRELABEL="glabel label ${PARTLABEL} /dev/${PART}${EXT}" ;;
114           UFS+S) ROOTRELABEL="glabel label ${PARTLABEL} /dev/${PART}${EXT}" ;;
115           UFS+J) ROOTRELABEL="glabel label ${PARTLABEL} /dev/${PART}${EXT}.journal" ;;
116               *) ;;
117         esac 
118       fi
119     fi
120   done
121
122   # Last lets the /mnt partition
123   #########################################################
124   rc_nohalt "umount -f ${FSMNT}"
125
126    # If are using a ZFS on "/" set it to legacy
127   if [ ! -z "${FOUNDZFSROOT}" ]
128   then
129     rc_halt "zfs set mountpoint=legacy ${FOUNDZFSROOT}"
130   fi
131
132   # If we need to relabel "/" do it now
133   if [ ! -z "${ROOTRELABEL}" ]
134   then
135     ${ROOTRELABEL}
136   fi
137
138   # Unmount our CDMNT
139   rc_nohalt "umount -f ${CDMNT}" >/dev/null 2>/dev/null
140
141   # Check if we need to run any gmirror syncing
142   ls ${MIRRORCFGDIR}/* >/dev/null 2>/dev/null
143   if [ "$?" = "0" ]
144   then
145     # Lets start syncing now
146     start_gmirror_sync
147   fi
148
149};
150
151# Unmounts any filesystems after a failure
152unmount_all_filesystems_failure()
153{
154  cd /
155
156  # if we did a fresh install, start unmounting
157  if [ "${INSTALLMODE}" = "fresh" ]
158  then
159
160    # Lets read our partition list, and unmount each
161    ##################################################################
162    if [ -d "${PARTDIR}" ]
163    then
164    for PART in `ls ${PARTDIR}`
165    do
166     
167       PARTFS="`cat ${PARTDIR}/${PART} | cut -d ':' -f 1`"
168       PARTMNT="`cat ${PARTDIR}/${PART} | cut -d ':' -f 2`"
169       PARTENC="`cat ${PARTDIR}/${PART} | cut -d ':' -f 3`"
170
171       #if [ "${PARTFS}" = "SWAP" ]
172       #then
173       #  if [ "${PARTENC}" = "ON" ]
174       #  then
175       #    rc_nohalt "swapoff /dev/${PART}.eli"
176       #  else
177       #    rc_nohalt "swapoff /dev/${PART}"
178       #  fi
179       #fi
180
181       # Check if we've found "/" again, don't need to mount it twice
182       if [ "$PARTMNT" != "/" -a "${PARTMNT}" != "none" -a "${PARTFS}" != "ZFS" ]
183       then
184         rc_nohalt "umount -f /dev/${PART}"
185         rc_nohalt "umount -f ${FSMNT}${PARTMNT}"
186       fi
187     done
188
189     # Last lets the /mnt partition
190     #########################################################
191     rc_nohalt "umount -f ${FSMNT}"
192
193    fi
194   else
195     # We are doing a upgrade, try unmounting any of these filesystems
196     chroot ${FSMNT} /sbin/umount -a >>${LOGOUT} >>${LOGOUT}
197     umount -f ${FSMNT}/usr >>${LOGOUT} 2>>${LOGOUT}
198     umount -f ${FSMNT}/dev >>${LOGOUT} 2>>${LOGOUT}
199     umount -f ${FSMNT} >>${LOGOUT} 2>>${LOGOUT}
200     rc_nohalt "sh ${TMPDIR}/.upgrade-unmount"
201   fi
202   
203   # Unmount our CDMNT
204   rc_nohalt "umount ${CDMNT}"
205
206};
207