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more cleanup (e.g., root and swap partitions are mandatory, not root and /usr)

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no functional change
This commit is contained in:
Andrew Moore 1993-08-20 21:47:42 +00:00
parent aeb14f134e
commit c0bed0d8ae
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=310
1 changed files with 20 additions and 18 deletions
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38
etc/etc.i386/inst1.install
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@ -125,28 +125,28 @@ fi
echo $name
echo ""
echo -n "Number of bytes per disk sector? [512] "
read bytes_per_sect
read bytes_per_sect junk
if [ "$bytes_per_sect" = "" ]; then
bytes_per_sect=512
fi
echo $bytes_per_sect
echo ""
echo -n "Total number of disk cylinders? [1024] "
read cyls_per_disk
read cyls_per_disk junk
if [ "$cyls_per_disk" = "" ]; then
cyls_per_disk=1024
fi
echo $cyls_per_disk
echo ""
echo -n "Number of disk heads (i.e., tracks/cylinder)? [12] "
read tracks_per_cyl
read tracks_per_cyl junk
if [ "$tracks_per_cyl" = "" ]; then
tracks_per_cyl=12
fi
echo $tracks_per_cyl
echo ""
echo -n "Number of disk sectors (i.e., sectors/track)? [36] "
read sects_per_track
read sects_per_track junk
if [ "$sects_per_track" = "" ]; then
sects_per_track=36
fi
@ -157,11 +157,14 @@ disksize=`expr $cylindersize \* $cyls_per_disk`
mb_sect=`expr 1024 \* 1024 / $bytes_per_sect`
mb_per_disk=`expr $disksize / $mb_sect`
echo "Disk has a total of $mb_per_disk Mb."
echo "It must be divided into at least two partitions: one for the root"
echo "filesystem and one for swap. In addition, it is a very good idea to"
echo "have at least a third partition for the /usr filesystem."
echo ""
echo "For greater efficiency, partitions should begin and end on cylinder"
echo "boundaries. And there should be at least two of them: one for the root"
echo "filesystem and one for the /usr filesystem. If you know the size NN"
echo "in Megabytes (Mb) of a partition you want, then use the following formula"
echo "to determine the number NC of cylinders to use:"
echo "boundaries. If you know the size NN in Megabytes (Mb) of a partition"
echo "you want, then use the following formula to determine the number NC of"
echo "cylinders to use:"
echo " NC = integer { ( NN * $mb_sect ) / $cylindersize }"
echo -n "Total size of the ${OPSYSTEM} portion of the disk (in cylinders)? [${cyls_per_disk}] "
read partition junk
@ -195,19 +198,19 @@ whats_left=`expr $partition - $badspacesec`
cyl_left=`expr $whats_left / $cylindersize`
mb_left=`expr $whats_left / $mb_sect`
echo ""
echo "There are $mb_left Mb ($cyl_left cylinders) left to allocate."
echo "There are $mb_left Mb ($cyl_left cylinders) to allocate."
echo ""
# set default root partition to 15MB
part_size=`expr \( 15 \* $mb_sect \) / $cylindersize`
if [ $part_size -gt $cyl_left ]; then
part_size=$cyl_left
fi
echo "The root partition is usually no larger than about 15 Mb, and sometimes as"
echo "small as 7 or 8 Mb."
echo "The root partition is usually no larger than about 15 Mb, and sometimes"
echo "as small as 7 or 8 Mb."
root=0
while [ $root -eq 0 ]; do
echo -n "Root partition size (in cylinders)? [${part_size}] "
read root
read root junk
if [ "$root" = "" ]; then
root=$part_size
fi
@ -237,7 +240,7 @@ echo "We can build the root filesystem with block/fragment sizes of either"
echo " 1) 4k/512, to save disk space at the expense of speed, or"
echo " 2) 8k/1k for speed at the expense of disk space."
echo -n "Which blocking factor should we use for the root filesystem? [2] "
read blocking_factor
read blocking_factor junk
if [ "$blocking_factor" = "" ]; then
blocking_factor=2
fi
@ -249,12 +252,11 @@ min_cyl=`expr $minswap / $cylindersize`
swap=0
while [ $swap -eq 0 ]; do
echo
echo "$mb_left Mb ($cyl_left cylinders) remaining in ${OPSYSTEM}"
echo "portion of disk."
echo "$mb_left Mb ($cyl_left cylinders) remaining in ${OPSYSTEM} portion of disk."
echo
echo "Minimum swap space is $min_cyl cylinders."
echo "If your RAM size is NR Mb, then the recomended swap size NS (in cylinders)"
echo "for running X is:"
echo "For running X, if your RAM size is NR Mb, then the recomended swap"
echo "size NS (in cylinders) is:"
echo " NS = integer { ( 2.1 x NR x $mb_sect ) / ${cylindersize} }"
# guess memory size
@ -276,7 +278,7 @@ while [ $swap -eq 0 ]; do
case $swap_cyl in
[1-9]*)
swap=`expr $swap_cyl \* $cylindersize`
if [ $swap -gt $whats_left ]; then
if [ $swap_cyl -gt $cyl_left ]; then
echo "Swap size is greater than remaining free space"
swap=0
fi