7053a07e66
Fix issues stamping boot on other ZFS drives, now you can boot after removing mirror drive. Submitted by: kmoore Obtained from: PC-BSD MFC after: 3 days Sponsored by: iXsystems
697 lines
18 KiB
Bash
Executable File
697 lines
18 KiB
Bash
Executable File
#!/bin/sh
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#-
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# Copyright (c) 2010 iXsystems, Inc. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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# Functions related to disk operations using bsdlabel
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# Check if we are are provided a geli password on the nextline of the config
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check_for_enc_pass()
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{
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CURLINE="${1}"
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get_next_cfg_line "${CFGF}" "${CURLINE}"
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echo ${VAL} | grep -q "^encpass=" 2>/dev/null
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if [ $? -eq 0 ] ; then
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# Found a password, return it
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get_value_from_string "${VAL}"
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return
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fi
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export VAL=""
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return
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};
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# On check on the disk-label line if we have any extra vars for this device
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get_fs_line_xvars()
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{
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ACTIVEDEV="${1}"
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LINE="${2}"
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echo $LINE | cut -d ' ' -f 4 | grep -q '(' 2>/dev/null
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if [ $? -ne 0 ] ; then return ; fi
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# See if we are looking for ZFS specific options
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echo $LINE | grep -q '^ZFS' 2>/dev/null
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if [ $? -eq 0 ] ; then
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ZTYPE="NONE"
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ZFSVARS="`echo $LINE | cut -d ' ' -f 4-20 |cut -d '(' -f 2- | cut -d ')' -f 1 | xargs`"
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echo $ZFSVARS | grep -qE "^(disk|file|mirror|raidz(1|2|3)?|spare|log|cache):" 2>/dev/null
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if [ $? -eq 0 ] ; then
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ZTYPE=`echo $ZFSVARS | cut -f1 -d:`
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ZFSVARS=`echo $ZFSVARS | sed "s|$ZTYPE: ||g" | sed "s|$ZTYPE:||g"`
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fi
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# Return the ZFS options
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if [ "${ZTYPE}" = "NONE" ] ; then
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VAR="${ACTIVEDEV} ${ZFSVARS}"
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else
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VAR="${ZTYPE} ${ACTIVEDEV} ${ZFSVARS}"
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fi
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export VAR
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return
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fi # End of ZFS block
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# See if we are looking for UFS specific newfs options
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echo $LINE | grep -q '^UFS' 2>/dev/null
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if [ $? -eq 0 ] ; then
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FSVARS="`echo $LINE | cut -d '(' -f 2- | cut -d ')' -f 1 | xargs`"
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VAR="${FSVARS}"
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export VAR
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return
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fi
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# If we got here, set VAR to empty and export
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export VAR=""
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return
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};
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# Init each zfs mirror disk with a boot sector so we can failover
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setup_zfs_mirror_parts()
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{
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_nZFS=""
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ZTYPE="`echo ${1} | awk '{print $1}'`"
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# Using mirroring, setup boot partitions on each disk
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_mirrline="`echo ${1} | sed 's|mirror ||g' | sed 's|raidz1 ||g' | sed 's|raidz2 ||g' | sed 's|raidz3 ||g' | sed 's|raidz ||g'`"
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for _zvars in $_mirrline
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do
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echo "Looping through _zvars: $_zvars" >>${LOGOUT}
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echo "$_zvars" | grep -q "${2}" 2>/dev/null
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if [ $? -eq 0 ] ; then continue ; fi
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if [ -z "$_zvars" ] ; then continue ; fi
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is_disk "$_zvars" >/dev/null 2>/dev/null
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if [ $? -eq 0 ] ; then
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echo "Setting up ZFS disk $_zvars" >>${LOGOUT}
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init_gpt_full_disk "$_zvars" >/dev/null 2>/dev/null
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rc_halt "gpart add -a 4k -t freebsd-zfs ${_zvars}" >/dev/null 2>/dev/null
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rc_halt "gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 ${_zvars}" >/dev/null 2>/dev/null
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_nZFS="$_nZFS ${_zvars}p2"
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else
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_nZFS="$_nZFS ${_zvars}"
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fi
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done
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echo "$ZTYPE $2 `echo $_nZFS | tr -s ' '`"
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} ;
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# Function which creates a unique label name for the specified mount
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gen_glabel_name()
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{
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MOUNT="$1"
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TYPE="$2"
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NUM="0"
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MAXNUM="20"
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if [ "$TYPE" = "ZFS" ] ; then
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NAME="zpool"
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elif [ "$MOUNT" = "/" ] ; then
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NAME="rootfs"
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else
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# If doing a swap partition, also rename it
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if [ "${TYPE}" = "SWAP" ]
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then
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NAME="swap"
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else
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NAME="`echo $MOUNT | sed 's|/||g' | sed 's| ||g'`"
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fi
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fi
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# Loop through and break when we find our first available label
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while
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Z=1
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do
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glabel status | grep -q "${NAME}${NUM}" 2>/dev/null
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if [ $? -ne 0 ]
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then
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break
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else
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NUM=$((NUM+1))
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fi
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if [ $NUM -gt $MAXNUM ]
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then
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exit_err "Cannot allocate additional glabel name for $NAME"
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break
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fi
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done
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export VAL="${NAME}${NUM}"
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};
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# Function to setup partitions using gpart
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setup_gpart_partitions()
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{
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local _dTag="$1"
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local _pDisk="$2"
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local _wSlice="$3"
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local _sNum="$4"
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local _pType="$5"
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FOUNDPARTS="1"
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# Lets read in the config file now and setup our partitions
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if [ "${_pType}" = "gpt" ] ; then
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CURPART="2"
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else
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PARTLETTER="a"
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CURPART="1"
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if [ "${_pType}" = "mbr" ] ; then
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rc_halt "gpart create -s BSD ${_wSlice}"
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fi
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fi
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while read line
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do
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# Check for data on this slice
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echo $line | grep -q "^${_dTag}-part=" 2>/dev/null
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if [ $? -eq 0 ]
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then
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FOUNDPARTS="0"
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# Found a slice- entry, lets get the slice info
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get_value_from_string "${line}"
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STRING="$VAL"
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# We need to split up the string now, and pick out the variables
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FS=`echo $STRING | tr -s '\t' ' ' | cut -d ' ' -f 1`
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SIZE=`echo $STRING | tr -s '\t' ' ' | cut -d ' ' -f 2`
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MNT=`echo $STRING | tr -s '\t' ' ' | cut -d ' ' -f 3`
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# Check if we have a .eli extension on this FS
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echo ${FS} | grep -q ".eli" 2>/dev/null
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if [ $? -eq 0 ]
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then
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FS="`echo ${FS} | cut -d '.' -f 1`"
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ENC="ON"
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check_for_enc_pass "${line}"
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if [ "${VAL}" != "" ] ; then
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# We have a user supplied password, save it for later
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ENCPASS="${VAL}"
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fi
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else
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ENC="OFF"
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fi
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# Check if the user tried to setup / as an encrypted partition
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check_for_mount "${MNT}" "/"
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if [ $? -eq 0 -a "${ENC}" = "ON" ]
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then
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export USINGENCROOT="0"
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fi
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# Now check that these values are sane
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case $FS in
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UFS|UFS+S|UFS+J|UFS+SUJ|ZFS|SWAP) ;;
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*) exit_err "ERROR: Invalid file system specified on $line" ;;
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esac
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# Check that we have a valid size number
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expr $SIZE + 1 >/dev/null 2>/dev/null
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if [ $? -ne 0 ]; then
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exit_err "ERROR: The size specified on $line is invalid"
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fi
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# Check that the mount-point starts with /
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echo "$MNT" | grep -qe "^/" -e "^none" 2>/dev/null
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if [ $? -ne 0 ]; then
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exit_err "ERROR: The mount-point specified on $line is invalid"
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fi
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if [ "$SIZE" = "0" ]
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then
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SOUT=""
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else
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SOUT="-s ${SIZE}M"
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fi
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# Check if we found a valid root partition
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check_for_mount "${MNT}" "/"
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if [ $? -eq 0 ] ; then
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export FOUNDROOT="1"
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if [ "${CURPART}" = "2" -a "$_pType" = "gpt" ] ; then
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export FOUNDROOT="0"
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fi
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if [ "${CURPART}" = "1" -a "$_pType" = "mbr" ] ; then
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export FOUNDROOT="0"
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fi
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if [ "${CURPART}" = "1" -a "$_pType" = "gptslice" ] ; then
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export FOUNDROOT="0"
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fi
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fi
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check_for_mount "${MNT}" "/boot"
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if [ $? -eq 0 ] ; then
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export USINGBOOTPART="0"
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if [ "${CURPART}" != "2" -a "${_pType}" = "gpt" ] ; then
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exit_err "/boot partition must be first partition"
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fi
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if [ "${CURPART}" != "1" -a "${_pType}" = "mbr" ] ; then
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exit_err "/boot partition must be first partition"
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fi
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if [ "${CURPART}" != "1" -a "${_pType}" = "gptslice" ] ; then
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exit_err "/boot partition must be first partition"
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fi
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if [ "${FS}" != "UFS" -a "${FS}" != "UFS+S" -a "${FS}" != "UFS+J" -a "${FS}" != "UFS+SUJ" ] ; then
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exit_err "/boot partition must be formatted with UFS"
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fi
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fi
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# Generate a unique label name for this mount
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gen_glabel_name "${MNT}" "${FS}"
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PLABEL="${VAL}"
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# Get any extra options for this fs / line
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if [ "${_pType}" = "gpt" ] ; then
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get_fs_line_xvars "${_pDisk}p${CURPART}" "${STRING}"
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else
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get_fs_line_xvars "${_wSlice}${PARTLETTER}" "${STRING}"
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fi
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XTRAOPTS="$VAR"
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# Check if using zfs mirror
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echo ${XTRAOPTS} | grep -q -e "mirror" -e "raidz"
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if [ $? -eq 0 -a "$FS" = "ZFS" ] ; then
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if [ "${_pType}" = "gpt" -o "${_pType}" = "gptslice" ] ; then
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XTRAOPTS=$(setup_zfs_mirror_parts "$XTRAOPTS" "${_pDisk}p${CURPART}")
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else
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XTRAOPTS=$(setup_zfs_mirror_parts "$XTRAOPTS" "${_wSlice}${PARTLETTER}")
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fi
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fi
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# Figure out the gpart type to use
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case ${FS} in
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ZFS) PARTYPE="freebsd-zfs" ;;
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SWAP) PARTYPE="freebsd-swap" ;;
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*) PARTYPE="freebsd-ufs" ;;
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esac
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# Create the partition
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if [ "${_pType}" = "gpt" ] ; then
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if [ "$CURPART" = "2" ] ; then
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# If this is GPT, make sure first partition is aligned to 4k
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sleep 2
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rc_halt "gpart add -a 4k ${SOUT} -t ${PARTYPE} ${_pDisk}"
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else
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sleep 2
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rc_halt "gpart add ${SOUT} -t ${PARTYPE} ${_pDisk}"
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fi
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elif [ "${_pType}" = "gptslice" ]; then
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sleep 2
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rc_halt "gpart add ${SOUT} -t ${PARTYPE} ${_wSlice}"
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else
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sleep 2
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rc_halt "gpart add ${SOUT} -t ${PARTYPE} -i ${CURPART} ${_wSlice}"
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fi
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# Check if this is a root / boot partition, and stamp the right loader
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for TESTMNT in `echo ${MNT} | sed 's|,| |g'`
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do
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if [ "${TESTMNT}" = "/" -a -z "${BOOTTYPE}" ] ; then
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BOOTTYPE="${PARTYPE}"
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fi
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if [ "${TESTMNT}" = "/boot" ] ; then
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BOOTTYPE="${PARTYPE}"
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fi
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done
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# Save this data to our partition config dir
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if [ "${_pType}" = "gpt" ] ; then
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_dFile="`echo $_pDisk | sed 's|/|-|g'`"
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echo "${FS}#${MNT}#${ENC}#${PLABEL}#GPT#${XTRAOPTS}" >${PARTDIR}/${_dFile}p${CURPART}
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# Clear out any headers
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sleep 2
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dd if=/dev/zero of=${_pDisk}p${CURPART} count=2048 2>/dev/null
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# If we have a enc password, save it as well
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if [ -n "${ENCPASS}" ] ; then
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echo "${ENCPASS}" >${PARTDIR}-enc/${_dFile}p${CURPART}-encpass
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fi
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else
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# MBR Partition or GPT slice
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_dFile="`echo $_wSlice | sed 's|/|-|g'`"
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echo "${FS}#${MNT}#${ENC}#${PLABEL}#MBR#${XTRAOPTS}#${IMAGE}" >${PARTDIR}/${_dFile}${PARTLETTER}
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# Clear out any headers
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sleep 2
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dd if=/dev/zero of=${_wSlice}${PARTLETTER} count=2048 2>/dev/null
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# If we have a enc password, save it as well
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if [ -n "${ENCPASS}" ] ; then
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echo "${ENCPASS}" >${PARTDIR}-enc/${_dFile}${PARTLETTER}-encpass
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fi
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fi
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# Increment our parts counter
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if [ "$_pType" = "gpt" ] ; then
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CURPART=$((CURPART+1))
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# If this is a gpt partition, we can continue and skip the MBR part letter stuff
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continue
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else
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CURPART=$((CURPART+1))
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if [ "$CURPART" = "3" ] ; then CURPART="4" ; fi
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fi
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# This partition letter is used, get the next one
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case ${PARTLETTER} in
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a) PARTLETTER="b" ;;
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b) PARTLETTER="d" ;;
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d) PARTLETTER="e" ;;
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e) PARTLETTER="f" ;;
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f) PARTLETTER="g" ;;
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g) PARTLETTER="h" ;;
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h) PARTLETTER="ERR" ;;
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*) exit_err "ERROR: bsdlabel only supports up to letter h for partitions." ;;
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esac
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fi # End of subsection locating a slice in config
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echo $line | grep -q "^commitDiskLabel" 2>/dev/null
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if [ $? -eq 0 -a "${FOUNDPARTS}" = "0" ]
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then
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# If this is the boot disk, stamp the right gptboot
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if [ ! -z "${BOOTTYPE}" -a "$_pType" = "gpt" ] ; then
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case ${BOOTTYPE} in
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freebsd-ufs) rc_halt "gpart bootcode -p /boot/gptboot -i 1 ${_pDisk}" ;;
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freebsd-zfs) rc_halt "gpart bootcode -p /boot/gptzfsboot -i 1 ${_pDisk}" ;;
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esac
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fi
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# Make sure to stamp the MBR loader
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if [ "$_pType" = "mbr" ] ; then
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rc_halt "gpart bootcode -b /boot/boot ${_wSlice}"
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fi
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# Found our flag to commit this label setup, check that we found at least 1 partition
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if [ "${CURPART}" = "1" ] ; then
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exit_err "ERROR: commitDiskLabel was called without any partition entries for it!"
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fi
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break
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fi
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done <${CFGF}
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};
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# Reads through the config and sets up a BSDLabel for the given slice
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populate_disk_label()
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{
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if [ -z "${1}" ]
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then
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exit_err "ERROR: populate_disk_label() called without argument!"
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fi
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# Set some vars from the given working slice
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diskid="`echo $1 | cut -d ':' -f 1`"
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disk="`echo $1 | cut -d ':' -f 1 | sed 's|-|/|g'`"
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slicenum="`echo $1 | cut -d ':' -f 2`"
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type="`echo $1 | cut -d ':' -f 3`"
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# Set WRKSLICE based upon format we are using
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if [ "$type" = "mbr" ] ; then
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wrkslice="${diskid}s${slicenum}"
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fi
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if [ "$type" = "gpt" -o "$type" = "gptslice" ] ; then
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wrkslice="${diskid}p${slicenum}"
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fi
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if [ ! -e "${SLICECFGDIR}/${wrkslice}" ] ; then
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exit_err "ERROR: Missing SLICETAG data. This shouldn't happen - please let the developers know"
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fi
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disktag="`cat ${SLICECFGDIR}/${wrkslice}`"
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slicedev="`echo $wrkslice | sed 's|-|/|g'`"
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# Setup the partitions with gpart
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setup_gpart_partitions "${disktag}" "${disk}" "${slicedev}" "${slicenum}" "${type}"
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};
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# Function which reads in the disk slice config, and performs it
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setup_disk_label()
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{
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# We are ready to start setting up the label, lets read the config and do the actions
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# First confirm that we have a valid WORKINGSLICES
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if [ -z "${WORKINGSLICES}" ]; then
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exit_err "ERROR: No slices were setup! Please report this to the maintainers"
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fi
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# Check that the slices we have did indeed get setup and gpart worked
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for i in $WORKINGSLICES
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do
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disk="`echo $i | cut -d '-' -f 1`"
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pnum="`echo $i | cut -d '-' -f 2`"
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type="`echo $i | cut -d '-' -f 3`"
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if [ "$type" = "mbr" -a ! -e "${disk}s${pnum}" ] ; then
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exit_err "ERROR: The partition ${i} doesn't exist! gpart failure!"
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fi
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if [ "$type" = "gpt" -a ! -e "${disk}p${pnum}" ] ; then
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exit_err "ERROR: The partition ${i} doesn't exist! gpart failure!"
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fi
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if [ "$type" = "gptslice" -a ! -e "${disk}p${pnum}" ] ; then
|
|
exit_err "ERROR: The partition ${i} doesn't exist! gpart failure!"
|
|
fi
|
|
done
|
|
|
|
# Setup some files which we'll be referring to
|
|
export LABELLIST="${TMPDIR}/workingLabels"
|
|
rm $LABELLIST >/dev/null 2>/dev/null
|
|
|
|
# Set our flag to determine if we've got a valid root partition in this setup
|
|
export FOUNDROOT="-1"
|
|
|
|
# Check if we are using a /boot partition
|
|
export USINGBOOTPART="1"
|
|
|
|
# Set encryption on root check
|
|
export USINGENCROOT="1"
|
|
|
|
# Make the tmp directory where we'll store FS info & mount-points
|
|
rm -rf ${PARTDIR} >/dev/null 2>/dev/null
|
|
mkdir -p ${PARTDIR} >/dev/null 2>/dev/null
|
|
rm -rf ${PARTDIR}-enc >/dev/null 2>/dev/null
|
|
mkdir -p ${PARTDIR}-enc >/dev/null 2>/dev/null
|
|
|
|
for i in $WORKINGSLICES
|
|
do
|
|
populate_disk_label "${i}"
|
|
done
|
|
|
|
# Check if we made a root partition
|
|
if [ "$FOUNDROOT" = "-1" ]
|
|
then
|
|
exit_err "ERROR: No root (/) partition specified!!"
|
|
fi
|
|
|
|
# Check if we made a root partition
|
|
if [ "$FOUNDROOT" = "1" -a "${USINGBOOTPART}" != "0" ]
|
|
then
|
|
exit_err "ERROR: (/) partition isn't first partition on disk!"
|
|
fi
|
|
|
|
if [ "${USINGENCROOT}" = "0" -a "${USINGBOOTPART}" != "0" ]
|
|
then
|
|
exit_err "ERROR: Can't encrypt (/) with no (/boot) partition!"
|
|
fi
|
|
};
|
|
|
|
check_fstab_mbr()
|
|
{
|
|
local SLICE
|
|
local FSTAB
|
|
|
|
if [ -z "$2" ]
|
|
then
|
|
return 1
|
|
fi
|
|
|
|
SLICE="$1"
|
|
FSTAB="$2/etc/fstab"
|
|
|
|
if [ -f "${FSTAB}" ]
|
|
then
|
|
PARTLETTER=`echo "$SLICE" | sed -E 's|^.+([a-h])$|\1|'`
|
|
|
|
cat "${FSTAB}" | awk '{ print $2 }' | grep -qE '^/$' 2>&1
|
|
if [ $? -eq 0 ]
|
|
then
|
|
if [ "${PARTLETTER}" = "a" ]
|
|
then
|
|
FOUNDROOT="0"
|
|
else
|
|
FOUNDROOT="1"
|
|
fi
|
|
|
|
ROOTIMAGE="1"
|
|
|
|
export FOUNDROOT
|
|
export ROOTIMAGE
|
|
fi
|
|
|
|
cat "${FSTAB}" | awk '{ print $2 }' | grep -qE '^/boot$' 2>&1
|
|
if [ $? -eq 0 ]
|
|
then
|
|
if [ "${PARTLETTER}" = "a" ]
|
|
then
|
|
USINGBOOTPART="0"
|
|
else
|
|
exit_err "/boot partition must be first partition"
|
|
fi
|
|
export USINGBOOTPART
|
|
fi
|
|
|
|
return 0
|
|
fi
|
|
|
|
return 1
|
|
};
|
|
|
|
check_fstab_gpt()
|
|
{
|
|
local SLICE
|
|
local FSTAB
|
|
|
|
if [ -z "$2" ]
|
|
then
|
|
return 1
|
|
fi
|
|
|
|
SLICE="$1"
|
|
FSTAB="$2/etc/fstab"
|
|
|
|
if [ -f "${FSTAB}" ]
|
|
then
|
|
PARTNUMBER=`echo "${SLICE}" | sed -E 's|^.+p([0-9]*)$|\1|'`
|
|
|
|
cat "${FSTAB}" | awk '{ print $2 }' | grep -qE '^/$' 2>&1
|
|
if [ $? -eq 0 ]
|
|
then
|
|
if [ "${PARTNUMBER}" = "2" ]
|
|
then
|
|
FOUNDROOT="0"
|
|
else
|
|
FOUNDROOT="1"
|
|
fi
|
|
|
|
ROOTIMAGE="1"
|
|
|
|
export FOUNDROOT
|
|
export ROOTIMAGE
|
|
fi
|
|
|
|
cat "${FSTAB}" | awk '{ print $2 }' | grep -qE '^/boot$' 2>&1
|
|
if [ $? -eq 0 ]
|
|
then
|
|
if [ "${PARTNUMBER}" = "2" ]
|
|
then
|
|
USINGBOOTPART="0"
|
|
else
|
|
exit_err "/boot partition must be first partition"
|
|
fi
|
|
export USINGBOOTPART
|
|
fi
|
|
|
|
return 0
|
|
fi
|
|
|
|
|
|
return 1
|
|
};
|
|
|
|
check_disk_layout()
|
|
{
|
|
local SLICES
|
|
local TYPE
|
|
local DISK
|
|
local RES
|
|
local F
|
|
|
|
DISK="$1"
|
|
TYPE="MBR"
|
|
|
|
if [ -z "${DISK}" ]
|
|
then
|
|
return 1
|
|
fi
|
|
|
|
SLICES_MBR=`ls /dev/${DISK}s[1-4]*[a-h]* 2>/dev/null`
|
|
SLICES_GPT=`ls /dev/${DISK}p[0-9]* 2>/dev/null`
|
|
SLICES_SLICE=`ls /dev/${DISK}[a-h]* 2>/dev/null`
|
|
|
|
if [ -n "${SLICES_MBR}" ]
|
|
then
|
|
SLICES="${SLICES_MBR}"
|
|
TYPE="MBR"
|
|
RES=0
|
|
fi
|
|
if [ -n "${SLICES_GPT}" ]
|
|
then
|
|
SLICES="${SLICES_GPT}"
|
|
TYPE="GPT"
|
|
RES=0
|
|
fi
|
|
if [ -n "${SLICES_SLICE}" ]
|
|
then
|
|
SLICES="${SLICES_SLICE}"
|
|
TYPE="MBR"
|
|
RES=0
|
|
fi
|
|
|
|
for slice in ${SLICES}
|
|
do
|
|
F=1
|
|
mount ${slice} /mnt 2>/dev/null
|
|
if [ $? -ne 0 ]
|
|
then
|
|
continue
|
|
fi
|
|
|
|
if [ "${TYPE}" = "MBR" ]
|
|
then
|
|
check_fstab_mbr "${slice}" "/mnt"
|
|
F="$?"
|
|
|
|
elif [ "${TYPE}" = "GPT" ]
|
|
then
|
|
check_fstab_gpt "${slice}" "/mnt"
|
|
F="$?"
|
|
fi
|
|
|
|
if [ ${F} -eq 0 ]
|
|
then
|
|
umount /mnt
|
|
break
|
|
fi
|
|
|
|
umount /mnt
|
|
done
|
|
|
|
return ${RES}
|
|
};
|