functions-unmount.sh revision 211730 
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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9#    notice, this list of conditions and the following disclaimer.
10# 2. Redistributions in binary form must reproduce the above copyright
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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
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26# $FreeBSD: head/usr.sbin/pc-sysinstall/backend/functions-unmount.sh 211730 2010-08-24 06:11:46Z 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+J) glabel label ${PARTLABEL} /dev/${PART}${EXT}.journal ;;
103          *) ;;
104        esac 
105      fi
106    fi
107
108    # Check if we've found "/" and make sure the label exists
109    if [ "$PARTMNT" = "/" -a "${PARTFS}" != "ZFS" ]
110    then
111      if [ ! -e "/dev/label/${PARTLABEL}" ]
112      then
113        case ${PARTFS} in
114          UFS) ROOTRELABEL="glabel label ${PARTLABEL} /dev/${PART}${EXT}" ;;
115          UFS+S) ROOTRELABEL="glabel label ${PARTLABEL} /dev/${PART}${EXT}" ;;
116          UFS+J) ROOTRELABEL="glabel label ${PARTLABEL} /dev/${PART}${EXT}.journal" ;;
117          *) ;;
118        esac 
119      fi
120    fi
121  done
122
123  # Last lets the /mnt partition
124  #########################################################
125  rc_nohalt "umount -f ${FSMNT}"
126
127   # If are using a ZFS on "/" set it to legacy
128  if [ ! -z "${FOUNDZFSROOT}" ]
129  then
130    rc_halt "zfs set mountpoint=legacy ${FOUNDZFSROOT}"
131  fi
132
133  # If we need to relabel "/" do it now
134  if [ ! -z "${ROOTRELABEL}" ]
135  then
136    ${ROOTRELABEL}
137  fi
138
139  # Unmount our CDMNT
140  rc_nohalt "umount -f ${CDMNT}" >/dev/null 2>/dev/null
141
142  # Check if we need to run any gmirror syncing
143  ls ${MIRRORCFGDIR}/* >/dev/null 2>/dev/null
144  if [ "$?" = "0" ]
145  then
146    # Lets start syncing now
147    start_gmirror_sync
148  fi
149
150};
151
152# Unmounts any filesystems after a failure
153unmount_all_filesystems_failure()
154{
155  cd /
156
157  # if we did a fresh install, start unmounting
158  if [ "${INSTALLMODE}" = "fresh" ]
159  then
160
161    # Lets read our partition list, and unmount each
162    ##################################################################
163    if [ -d "${PARTDIR}" ]
164    then
165    for PART in `ls ${PARTDIR}`
166    do
167     
168      PARTFS="`cat ${PARTDIR}/${PART} | cut -d ':' -f 1`"
169      PARTMNT="`cat ${PARTDIR}/${PART} | cut -d ':' -f 2`"
170      PARTENC="`cat ${PARTDIR}/${PART} | cut -d ':' -f 3`"
171
172      #if [ "${PARTFS}" = "SWAP" ]
173      #then
174      #  if [ "${PARTENC}" = "ON" ]
175      #  then
176      #    rc_nohalt "swapoff /dev/${PART}.eli"
177      #  else
178      #    rc_nohalt "swapoff /dev/${PART}"
179      #  fi
180      #fi
181
182      # Check if we've found "/" again, don't need to mount it twice
183      if [ "$PARTMNT" != "/" -a "${PARTMNT}" != "none" -a "${PARTFS}" != "ZFS" ]
184      then
185        rc_nohalt "umount -f /dev/${PART}"
186        rc_nohalt "umount -f ${FSMNT}${PARTMNT}"
187      fi
188    done
189
190    # Last lets the /mnt partition
191    #########################################################
192    rc_nohalt "umount -f ${FSMNT}"
193
194   fi
195  else
196    # We are doing a upgrade, try unmounting any of these filesystems
197    chroot ${FSMNT} /sbin/umount -a >>${LOGOUT} >>${LOGOUT}
198    umount -f ${FSMNT}/usr >>${LOGOUT} 2>>${LOGOUT}
199    umount -f ${FSMNT}/dev >>${LOGOUT} 2>>${LOGOUT}
200    umount -f ${FSMNT} >>${LOGOUT} 2>>${LOGOUT}
201    rc_nohalt "sh ${TMPDIR}/.upgrade-unmount"
202  fi
203   
204  # Unmount our CDMNT
205  rc_nohalt "umount ${CDMNT}"
206
207};
208