disk-part.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 7# are met: 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 15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 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) 21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24# SUCH DAMAGE. 25# 26# $FreeBSD: head/usr.sbin/pc-sysinstall/backend-query/disk-part.sh 209552 2010-06-27 16:46:11Z imp $ 27 28# Query a disk for partitions and display them 29############################# 30 31. ${PROGDIR}/backend/functions.sh 32. ${PROGDIR}/backend/functions-disk.sh 33 34if [ -z "${1}" ] 35then 36 echo "Error: No disk specified!" 37 exit 1 38fi 39 40if [ ! -e "/dev/${1}" ] 41then 42 echo "Error: Disk /dev/${1} does not exist!" 43 exit 1 44fi 45 46DISK="${1}" 47 48# Now get the disks size in MB 49KB="`diskinfo -v ${1} | grep 'bytes' | cut -d '#' -f 1 | tr -s '\t' ' ' | tr -d ' '`" 50MB=$(convert_byte_to_megabyte ${KB}) 51TOTALSIZE="$MB" 52TOTALB="`diskinfo -v ${1} | grep 'in sectors' | tr -s '\t' ' ' | cut -d ' ' -f 2`" 53 54 55 56gpart show ${1} >/dev/null 2>/dev/null 57if [ "$?" != "0" ] ; then 58 # No partitions on this disk, display entire disk size and exit 59 echo "${1}-freemb: ${TOTALSIZE}" 60 echo "${1}-freeblocks: ${TOTALB}" 61 exit 62fi 63 64# Display if this is GPT or MBR formatted 65gpart show ${1} | grep "GPT" >/dev/null 2>/dev/null 66if [ "$?" = "0" ] ; then 67 echo "${1}-format: GPT" 68 TYPE="GPT" 69else 70 echo "${1}-format: MBR" 71 TYPE="MBR" 72fi 73 74# Set some search flags 75PART="0" 76EXTENDED="0" 77START="0" 78SIZEB="0" 79 80# Get a listing of partitions on this disk 81get_disk_partitions "${DISK}" 82PARTS="${VAL}" 83for curpart in $PARTS 84do 85 86 # First get the sysid / label for this partition 87 if [ "$TYPE" = "MBR" ] ; then 88 get_partition_sysid_mbr "${DISK}" "${curpart}" 89 echo "${curpart}-sysid: ${VAL}" 90 get_partition_label_mbr "${DISK}" "${curpart}" 91 echo "${curpart}-label: ${VAL}" 92 else 93 get_partition_label_gpt "${DISK}" "${curpart}" 94 echo "${curpart}-sysid: ${VAL}" 95 echo "${curpart}-label: ${VAL}" 96 fi 97 98 # Now get the startblock, blocksize and MB size of this partition 99 100 get_partition_startblock "${DISK}" "${curpart}" 101 START="${VAL}" 102 echo "${curpart}-blockstart: ${START}" 103 104 get_partition_blocksize "${DISK}" "${curpart}" 105 SIZEB="${VAL}" 106 echo "${curpart}-blocksize: ${SIZEB}" 107 108 SIZEMB=$(convert_blocks_to_megabyte ${SIZEB}) 109 echo "${curpart}-sizemb: ${SIZEMB}" 110 111done 112 113 114# Now calculate any free space 115LASTB="`expr $SIZEB + $START`" 116FREEB="`expr $TOTALB - $LASTB`" 117FREEMB="`expr ${FREEB} / 2048`" 118echo "${1}-freemb: $FREEMB" 119echo "${1}-freeblocks: $FREEB" 120