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Added option to overwrite an existing partition during install.
Added notes about ob-bs to install_notes.
This commit is contained in:
Andrew Moore
parent
5db659db0b
commit
f814ff388d
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=466
@ -80,7 +80,7 @@ while read data; do
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fi
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[ "$sysid" = "$OPSYSID" ] && have_opsys_part=$part_id
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eval sysid${part_id}=$sysid
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eval sysname${part_id}="$sysname"
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eval sysname${part_id}=\"$sysname\"
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got_sysid=1
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else
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part_id=`expr "$data" : 'The data[^0-9]*\([0-9]*\)'`
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@ -106,16 +106,78 @@ fi
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return 0
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}
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set_existing_part() {
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# Set existing partiton values as default (adjusting to cylinder boundaries)
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eval opsys_size=\$size${opsys_part}
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eval opsys_start=\$start${opsys_part}
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[ $opsys_size -eq 50000 ] && opsys_size=$disksize
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opsys_off=`expr $opsys_start / $cylindersize`
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opsys_adjusted=`expr $opsys_off \* $cylindersize`
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if [ $opsys_adjusted -lt $opsys_start -o $opsys_off -eq 0 ]; then
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opsys_off=`expr $opsys_off + 1`
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opsys_adjusted=`expr $opsys_off \* $cylindersize`
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opsys_size=`expr $opsys_size - $opsys_adjusted + $opsys_start`
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fi
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cyls_per_opsys=`expr $opsys_size / $cylindersize`
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RUN_FDISK="fdisk -u"
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}
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set_overwrite_part() {
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while :; do
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echo
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echo -n "Please specify partition to overwrite: [3] "
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read resp junk
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opsys_part=${resp:-3}
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if [ "$opsys_part" -ge 0 -a "$opsys_part" -le 3 ]; then
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break
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else
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echo
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echo "Partition must be in the range [0-3]"
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fi
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done
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set_existing_part
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}
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analyze_fdisk_data() {
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if [ "$part_cnt" -gt 0 ]; then
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echo
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echo "Partition Offset* Size* Name"
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echo "--------- ------ ---- ----"
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i=0
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while [ $i -lt $part_cnt ]; do
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pcyls=
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poff=
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eval psize=\$size${i}
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eval pstart=\$start${i}
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eval pname=\$sysname${i}
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[ "$psize" -eq 50000 ] && psize=$disksize
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if [ "$psize" ]; then
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poff=`expr $pstart / $cylindersize`
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padjusted=`expr $poff \* $cylindersize`
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if [ "$padjusted" -lt "$pstart" ]; then
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poff=`expr $poff + 1`
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padjusted=`expr $poff \* $cylindersize`
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psize=`expr $psize - $padjusted + $pstart`
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fi
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pcyls=`expr $psize / $cylindersize`
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fi
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echo -n "${i}"
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echo -n " ${poff:-0}"
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echo -n " ${pcyls:-0}"
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echo " ${pname:-(Unused)}"
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i=`expr $i + 1`
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done
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echo "* Sizes and offsets are in units of cylinders."
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fi
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# Case I: >1024 cylinders
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force_offset=
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if [ $cyls_per_disk -gt 1024 ]; then
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echo
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echo " WARNING: >1024 cylinders. On some hardware, this prevents"
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echo " ${OPSYSTEM} from sharing the disk with other operating systems."
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echo -n "Overwriting existing partitions - okay? [y] "
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echo -n "Install ${OPSYSTEM} on entire disk, overwriting existing partitions? [n] "
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read resp junk
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[ ! "$resp" ] && resp=y
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case "$resp" in
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y*|Y*)
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RUN_FDISK=""
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@ -153,26 +215,12 @@ if [ $sysid_cnt -eq 0 ]; then
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elif [ "$have_opsys_part" ]; then
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echo
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echo "386/Net/FreeBSD partition already exists!"
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echo -n "Overwriting existing partition - okay? [y] "
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echo -n "Overwrite existing partition? [n] "
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read resp junk
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[ ! "$resp" ] && resp=y
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case "$resp" in
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y*|Y*)
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# Set existing partiton values as default (after adjusting to
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# cylinder boundaries)
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eval opsys_size=\$size${have_opsys_part}
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eval opsys_start=\$start${have_opsys_part}
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[ $opsys_size -eq 50000 ] && opsys_size=$disksize
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opsys_off=`expr $opsys_start / $cylindersize`
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opsys_adjusted=`expr $opsys_off \* $cylindersize`
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if [ $opsys_adjusted -lt $opsys_start -o $opsys_off -eq 0 ]; then
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opsys_off=`expr $opsys_off + 1`
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opsys_adjusted=`expr $opsys_off \* $cylindersize`
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opsys_size=`expr $opsys_size - $opsys_adjusted + $opsys_start`
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fi
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cyls_per_opsys=`expr $opsys_size / $cylindersize`
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opsys_part=${have_opsys_part}
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RUN_FDISK="fdisk -u"
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set_existing_part
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return 0
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;;
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*)
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@ -186,7 +234,6 @@ fi
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if [ $sysid_cnt -eq $part_cnt -a ! "$have_opsys_part" ]; then
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echo
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echo "No unused partitions."
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echo "$OPSYSTEM cannot selectively overwrite existing partitions."
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echo -n "Install $OPSYSTEM and overwrite the entire disk? [n] "
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read resp junk
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case "$resp" in
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@ -196,12 +243,12 @@ if [ $sysid_cnt -eq $part_cnt -a ! "$have_opsys_part" ]; then
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cyls_per_opsys=`expr $cyls_per_disk - 1`
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opsys_part=${unused_last_part}
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RUN_FDISK="overwrite"
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return 0
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;;
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*)
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return 2
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set_overwrite_part
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;;
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esac
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return 0
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fi
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@ -216,6 +263,7 @@ mb_sect=`expr 1024 \* 1024 / $bytes_per_sect`
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disk_minimum=`expr $DISKMIN \* $mb_sect`
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# Case IV: No room (at end of disk) for mininal install
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[ $extent_max -eq 50000 ] && extent_max=$disksize
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disk_remaining=`expr $disksize - $extent_max`
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if [ $disk_remaining -lt $disk_minimum ]; then
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echo
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@ -232,14 +280,25 @@ if [ $disk_remaining -lt $disk_minimum ]; then
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;;
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*)
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echo
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echo " WARNING: To install ${OPSYSTEM}, you're on your own in figuring"
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echo " out where on the disk it will fit without overwriting another"
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echo " partition..."
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# Set defaults assuming there is only one partition at end of disk
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eval start=\$start${extent_max_part}
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# don't use first cylinder!
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opsys_off=1
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cyls_per_opsys=`expr $start / $cylindersize - 1`
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echo -n "Overwrite an existing partition? [n] "
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read resp junk
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case "$resp" in
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y*|Y*)
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set_overwrite_part
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;;
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*)
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echo
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echo " WARNING: To install ${OPSYSTEM}, you're on your own in figuring"
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echo " out where on the disk it will fit without overwriting another"
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echo " partition..."
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# Set defaults assuming there is only one partition at end of disk
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eval start=\$start${extent_max_part}
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# don't use first cylinder!
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opsys_off=1
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cyls_per_opsys=`expr $start / $cylindersize - 1`
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[ $cyls_per_opsys -lt 0 ] && cyls_per_opsys=0
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;;
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esac
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;;
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esac
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return 0
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@ -420,38 +479,6 @@ if [ ! "$partition" ]; then
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continue
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;;
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esac
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elif [ "$part_cnt" -gt 0 ]; then
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cylindersize=`expr $sects_per_track \* $tracks_per_cyl`
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disksize=`expr $cylindersize \* $cyls_per_disk`
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echo
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echo "Partition Offset* Size* Name"
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echo "--------- ------ ---- ----"
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i=0
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while [ $i -lt $part_cnt ]; do
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pcyls=
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poff=
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eval psize=\$size${i}
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eval pstart=\$start${i}
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eval pname=\$sysname${i}
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[ "$psize" -eq 50000 ] && psize=$disksize
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if [ "$psize" ]; then
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poff=`expr $pstart / $cylindersize`
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padjusted=`expr $poff \* $cylindersize`
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if [ "$padjusted" -lt "$pstart" ]; then
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poff=`expr $poff + 1`
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padjusted=`expr $poff \* $cylindersize`
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psize=`expr $psize - $padjusted + $pstart`
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fi
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pcyls=`expr $psize / $cylindersize`
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fi
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echo -n "${i}"
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echo -n " ${poff:-0}"
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echo -n " ${pcyls:-0}"
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echo " ${pname:-(Unused)}"
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i=`expr $i + 1`
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done
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echo "* Sizes and offsets are in units of cylinders."
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fi
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fi
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echo
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@ -230,7 +230,9 @@ shell.
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The full binary distribution extracts to about 46 MB.
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The full source distribution extracts to about 72 MB.
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The kernel source only extracts to about 7 MB.
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To recompile the sources requires an additional 55 MB.
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To recompile the kernel requires an additional 2 MB.
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Since additional room is required for extracting the distributions,
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a full binary installation requires a minimum of about 70 MB (46
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@ -418,7 +420,6 @@ To prepare for installing via Kermit:
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Once you have done this, you can proceed to the next
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step in the installation process, preparing your hard disk.
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To upgrade:
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(The beta upgrade script is available on request from
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@ -874,6 +875,32 @@ Further Tips on Installing FreeBSD
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the install profile will be active (i.e., you will find the
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commands load_fd, extract etc available to you again).
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If your disk has several operating systems, you may want to
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install the Thomas Wolfram's os-bs boot manager for selecting
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which system to boot. os-bs135.exe if available from the
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tools directory of the FreeBSD FTP site. This works well
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with DOS, OS/2, FreeBSD and other systems. To install
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it, boot the system with MS-DOS and insert the dos-floppy
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containing os-bs135.exe in floppy drive A:. Then enter the
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DOS commands:
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> A:
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> os-bs135
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> cd os-bs
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> os-bs
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A menu should now appear on the screen. Use the cursor keys
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to highlight the install option and hit ENTER. And follow the
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instructions from there.
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For more information about the ob-bs program, including its
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capabilities and limitations, see the file `readme.1st' in the
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os-bs directory.
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If your disk has several operating systems and you choose
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not to install os-bs, then fdisk can be used to change
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the boot system. This is done by making the primary
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partition for the boot system active. FreeBSD has an
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fdisk command that can be used for this purpose as well.
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Configuring Your System:
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----------- ---- ------
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@ -939,4 +966,4 @@ THANKS FOR USING THIS; that's what makes it all worthwhile.
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as they will end up in our personal mail spools. We will be
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happy to make other arrangements]
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This is $Id: install_notes,v 1.3 1993/09/13 13:37:21 alm Exp $
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This is $Id: install_notes,v 1.4 1993/09/14 02:36:09 alm Exp $
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