functions-unmount.sh revision 213647 
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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16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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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24# SUCH DAMAGE.
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26# $FreeBSD: head/usr.sbin/pc-sysinstall/backend/functions-unmount.sh 213647 2010-10-09 07:45:24Z imp $
27
28# Functions which unmount all mounted disk filesystems
29
30# Unmount all mounted partitions under specified dir
31umount_all_dir()
32{
33  _udir="$1"
34  _umntdirs=`mount | sort -r | grep "on $_udir" | cut -d ' ' -f 3`
35  for _ud in $_umntdirs
36  do
37    umount -f ${_ud} 
38  done
39}
40
41# Script that adds our gmirror devices for syncing
42start_gmirror_sync()
43{
44
45 cd ${MIRRORCFGDIR}
46  for DISK in `ls *`
47  do
48    MIRRORDISK="`cat ${DISK} | cut -d ':' -f 1`"
49    MIRRORBAL="`cat ${DISK} | cut -d ':' -f 2`"
50    MIRRORNAME="`cat ${DISK} | cut -d ':' -f 3`"
51   
52    # Start the mirroring service
53    rc_halt "gmirror insert ${MIRRORNAME} /dev/${MIRRORDISK}"
54
55  done
56
57};
58
59# Unmounts all our mounted file-systems
60unmount_all_filesystems()
61{
62  # Copy the logfile to disk before we unmount
63  cp ${LOGOUT} ${FSMNT}/root/pc-sysinstall.log
64  cd /
65
66  # Start by unmounting any ZFS partitions
67  zfs_cleanup_unmount
68
69  # Lets read our partition list, and unmount each
70  ##################################################################
71  for PART in `ls ${PARTDIR}`
72  do
73         
74    PARTFS="`cat ${PARTDIR}/${PART} | cut -d ':' -f 1`"
75    PARTMNT="`cat ${PARTDIR}/${PART} | cut -d ':' -f 2`"
76    PARTENC="`cat ${PARTDIR}/${PART} | cut -d ':' -f 3`"
77    PARTLABEL="`cat ${PARTDIR}/${PART} | cut -d ':' -f 4`"
78
79    if [ "${PARTENC}" = "ON" ]
80    then
81      EXT=".eli"
82    else
83      EXT=""
84    fi
85
86    #if [ "${PARTFS}" = "SWAP" ]
87    #then
88    #  rc_nohalt "swapoff /dev/${PART}${EXT}"
89    #fi
90
91    # Check if we've found "/", and unmount that last
92    if [ "$PARTMNT" != "/" -a "${PARTMNT}" != "none" -a "${PARTFS}" != "ZFS" ]
93    then
94      rc_halt "umount -f /dev/${PART}${EXT}"
95
96      # Re-check if we are missing a label for this device and create it again if so
97      if [ ! -e "/dev/label/${PARTLABEL}" ]
98      then
99        case ${PARTFS} in
100          UFS) glabel label ${PARTLABEL} /dev/${PART}${EXT} ;;
101          UFS+S) glabel label ${PARTLABEL} /dev/${PART}${EXT} ;;
102          UFS+SUJ) glabel label ${PARTLABEL} /dev/${PART}${EXT} ;;
103          UFS+J) glabel label ${PARTLABEL} /dev/${PART}${EXT}.journal ;;
104          *) ;;
105        esac 
106      fi
107    fi
108
109    # Check if we've found "/" and make sure the label exists
110    if [ "$PARTMNT" = "/" -a "${PARTFS}" != "ZFS" ]
111    then
112      if [ ! -e "/dev/label/${PARTLABEL}" ]
113      then
114        case ${PARTFS} in
115          UFS) ROOTRELABEL="glabel label ${PARTLABEL} /dev/${PART}${EXT}" ;;
116          UFS+S) ROOTRELABEL="glabel label ${PARTLABEL} /dev/${PART}${EXT}" ;;
117          UFS+SUJ) ROOTRELABEL="glabel label ${PARTLABEL} /dev/${PART}${EXT}" ;;
118          UFS+J) ROOTRELABEL="glabel label ${PARTLABEL} /dev/${PART}${EXT}.journal" ;;
119          *) ;;
120        esac 
121      fi
122    fi
123  done
124
125  # Last lets the /mnt partition
126  #########################################################
127  rc_nohalt "umount -f ${FSMNT}"
128
129   # If are using a ZFS on "/" set it to legacy
130  if [ ! -z "${FOUNDZFSROOT}" ]
131  then
132    rc_halt "zfs set mountpoint=legacy ${FOUNDZFSROOT}"
133  fi
134
135  # If we need to relabel "/" do it now
136  if [ ! -z "${ROOTRELABEL}" ]
137  then
138    ${ROOTRELABEL}
139  fi
140
141  # Unmount our CDMNT
142  rc_nohalt "umount -f ${CDMNT}" >/dev/null 2>/dev/null
143
144  # Check if we need to run any gmirror syncing
145  ls ${MIRRORCFGDIR}/* >/dev/null 2>/dev/null
146  if [ "$?" = "0" ]
147  then
148    # Lets start syncing now
149    start_gmirror_sync
150  fi
151
152};
153
154# Unmounts any filesystems after a failure
155unmount_all_filesystems_failure()
156{
157  cd /
158
159  # if we did a fresh install, start unmounting
160  if [ "${INSTALLMODE}" = "fresh" ]
161  then
162
163    # Lets read our partition list, and unmount each
164    ##################################################################
165    if [ -d "${PARTDIR}" ]
166    then
167    for PART in `ls ${PARTDIR}`
168    do
169     
170      PARTFS="`cat ${PARTDIR}/${PART} | cut -d ':' -f 1`"
171      PARTMNT="`cat ${PARTDIR}/${PART} | cut -d ':' -f 2`"
172      PARTENC="`cat ${PARTDIR}/${PART} | cut -d ':' -f 3`"
173
174      #if [ "${PARTFS}" = "SWAP" ]
175      #then
176      #  if [ "${PARTENC}" = "ON" ]
177      #  then
178      #    rc_nohalt "swapoff /dev/${PART}.eli"
179      #  else
180      #    rc_nohalt "swapoff /dev/${PART}"
181      #  fi
182      #fi
183
184      # Check if we've found "/" again, don't need to mount it twice
185      if [ "$PARTMNT" != "/" -a "${PARTMNT}" != "none" -a "${PARTFS}" != "ZFS" ]
186      then
187        rc_nohalt "umount -f /dev/${PART}"
188        rc_nohalt "umount -f ${FSMNT}${PARTMNT}"
189      fi
190    done
191
192    # Last lets the /mnt partition
193    #########################################################
194    rc_nohalt "umount -f ${FSMNT}"
195
196   fi
197  else
198    # We are doing a upgrade, try unmounting any of these filesystems
199    chroot ${FSMNT} /sbin/umount -a >>${LOGOUT} >>${LOGOUT}
200    umount -f ${FSMNT}/usr >>${LOGOUT} 2>>${LOGOUT}
201    umount -f ${FSMNT}/dev >>${LOGOUT} 2>>${LOGOUT}
202    umount -f ${FSMNT} >>${LOGOUT} 2>>${LOGOUT}
203    rc_nohalt "sh ${TMPDIR}/.upgrade-unmount"
204  fi
205   
206  # Unmount our CDMNT
207  rc_nohalt "umount ${CDMNT}"
208
209};
210