added default answers

changed units from sectors to cylinders
This commit is contained in:
Andrew Moore 1993-08-20 17:17:04 +00:00
parent 12a53a9e4d
commit 104464e053
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=307

View File

@ -30,24 +30,29 @@ OPSYSTEM=FreeBSD
echo "Welcome to ${OPSYSTEM}."
echo ""
echo "This program is designed to help you put ${OPSYSTEM} on your hard disk,"
echo "in a simple and rational way. You'll be asked several questions,"
echo "and it would probably be useful to have your disk's hardware"
echo "This program is designed to help put ${OPSYSTEM} on a hard disk,"
echo "in a simple and rational way. We'll ask you several questions,"
echo "and it would probably be useful to have a disk's hardware"
echo "manual, the installation notes, and a calculator handy."
echo ""
echo "In particular, you will need to know some reasonably detailed"
echo "information about your disk's geometry, because there is currently"
echo "no way this this program can figure that information out."
echo "In particular, we need to know some reasonably detailed"
echo "information about the disk's geometry, because there is currently"
echo "no way we can figure out this information by ourselves."
echo ""
echo "As with anything which modifies your hard drive's contents, this"
echo "program can cause SIGNIFICANT data loss, and you are advised"
echo "to make sure your hard drive is backed up before beginning the"
echo "installation process."
echo "As with anything which modifies a hard drive's contents, this"
echo "program can cause SIGNIFICANT data loss, and we strongly recommend"
echo "making sure that the hard drive is backed up before going further with"
echo "the installation process."
echo ""
echo -n "Proceed with installation? [n] "
read resp
echo -n "Proceed with installation? [y] "
read resp junk
if [ "$resp" = "" ]; then
resp=y
fi
echo $resp
case $resp in
y*|Y*)
echo
echo "Cool! Let's get to it..."
;;
*)
@ -64,65 +69,110 @@ drivename=wd0
drivetype=wd
sect_fwd=""
echo ""
echo "Drive types can be ESDI, SCSI, ST506, or IDE."
echo -n "Drive type? "
read type
echo "First, we need to know the drive type. This can be can be one of"
echo "ESDI, SCSI, ST506, or IDE."
echo -n "Drive type? [IDE] "
read type junk
if [ "$type" = "" ]; then
type=IDE
fi
echo $type
case "$type" in
esdi|ESDI|st506|ST506)
e*|E*|st*|ST*)
echo -n "Does it support _automatic_ sector remapping? [y] "
read remap
read remap junk
case "$remap" in
n*|N*)
sect_fwd="sf:"
;;
esac
;;
ide|IDE)
i*|I*)
type=ST506
;;
scsi|SCSI)
sc*|SC*)
drivename=sd0
drivetype=sd
type=SCSI
rotdelay="-d 0"
;;
*)
echo "Unknown type. Assuming ST506 with automatic sectoring..."
type=ST506
;;
esac
echo ""
echo "Disk is of type $drivetype"
echo "going to install on $drivename..."
echo "Disk is of device type $drivetype."
echo "Installing on device /dev/$drivename..."
echo ""
echo -n "Label name (what kind of disk is it, one word please)? "
read name
echo "Now we want to build a data base entry in /etc/disktab describing"
echo "the geometry of the /dev/$drivename disk. The name of the entry"
echo "should be descriptive of the disk's type and model. For example,"
echo "a Maxtor IDE, model 7080 disk might be named \`maxtor7080'."
echo -n "Disk label name (one word, please)? [mfr_model] "
read name junk
if [ "$name" = "" ]; then
name=mfr_model
fi
echo $name
echo ""
echo -n "Number of bytes per disk sector? [512] "
read bytes_per_sect
if [ "$bytes_per_sect" = "" ]; then
bytes_per_sect=512
fi
echo $bytes_per_sect
echo ""
echo -n "Number of disk cylinders? "
echo -n "Total number of disk cylinders? [1024] "
read cyls_per_disk
if [ "$cyls_per_disk" = "" ]; then
cyls_per_disk=1024
fi
echo $cyls_per_disk
echo ""
echo -n "Number of disk heads? "
echo -n "Number of disk heads (i.e., tracks/cylinder)? [12] "
read tracks_per_cyl
if [ "$tracks_per_cyl" = "" ]; then
tracks_per_cyl=12
fi
echo $tracks_per_cyl
echo ""
echo -n "Number of disk sectors? "
echo -n "Number of disk sectors (i.e., sectors/track)? [36] "
read sects_per_track
if [ "$sects_per_track" = "" ]; then
sects_per_track=36
fi
echo $sects_per_track
echo ""
cylindersize=`expr $sects_per_track \* $tracks_per_cyl`
disksize=`expr $cylindersize \* $cyls_per_disk`
echo "Disk has a total of $disksize $bytes_per_sect byte sectors"
echo "For greater efficiency, partitions should begin and end on cylinder"
echo "boundaries. Cylinder size (in $bytes_per_sect byte sectors) on this"
echo "disk is $cylindersize. Choose multiples of this value."
echo ""
echo -n "Size of ${OPSYSTEM} portion of disk (in $bytes_per_sect byte sized sectors)? "
read partition
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 "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 " 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
if [ "$partition" = "" ]; then
partition=$cyls_per_disk
fi
echo $partition
partition=`expr $partition \* $cylindersize`
part_offset=0
if [ $partition -lt $disksize ]; then
echo -n "Offset of ${OPSYSTEM} portion of disk (in $bytes_per_sect byte sized sectors) "
read part_offset
echo ""
echo -n "Offset from beginning of the disk of first ${OPSYSTEM} partition (in cylinders)? [0] "
read part_offset junk
if [ "$part_offset" = "" ]; then
part_offset=0
fi
echo $part_offset
fi
part_offset=`expr $part_offset \* $cylindersize`
badspacesec=0
if [ "$sect_fwd" = "sf:" ]; then
badspacecyl=`expr $sects_per_track + 126`
@ -135,15 +185,28 @@ if [ "$sect_fwd" = "sf:" ]; then
fi
whats_left=`expr $partition - $badspacesec`
cyl_left=`expr $whats_left / $cylindersize`
mb_left=`expr $whats_left / $mb_sect`
echo ""
echo "There are $whats_left sectors ($cyl_left cylinders) left to allocate"
echo "There are $mb_left Mb ($cyl_left cylinders) left 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."
root=0
while [ $root -eq 0 ]; do
echo -n "Root partition size (in $bytes_per_sect byte sized sectors)? "
echo -n "Root partition size (in cylinders)? [${part_size}] "
read root
if [ "$root" = "" ]; then
root=$part_size
fi
echo $root
case $root in
[1-9]*)
root=`expr $root \* $cylindersize`
total=$root
if [ $total -gt $whats_left ]; then
echo Total is greater than remaining free space
@ -159,23 +222,58 @@ while [ $root -eq 0 ]; do
done
root_offset=$part_offset
whats_left=`expr $partition - $part_used`
cyl_left=`expr $whats_left / $cylindersize`
mb_left=`expr $whats_left / $mb_sect`
echo ""
minswap=`expr 8192 \* 1024 / $bytes_per_sect`
echo "We can build the root filesystem with block/fragment sizes of either"
echo " 1) 4k/512, to save disk space at the expense of speed, or"
echo " 2) 8k/1k for speed at the expense of disk space."
echo -n "Which blocking factor should we use for the root filesystem? [2] "
read blocking_factor
if [ "$blocking_factor" = "" ]; then
blocking_factor=2
fi
echo $blocking_factor
fragsize=`expr $bytes_per_sect \* $blocking_factor`
blocksize=`expr $bytes_per_sect \* $blocking_factor \* 8`
minswap=`expr 8 \* $mb_sect`
min_cyl=`expr $minswap / $cylindersize`
swap=0
while [ $swap -eq 0 ]; do
echo "$whats_left sectors remaining in ${OPSYSTEM} portion of disk"
echo "Minimum swap space is $minswap."
echo "Recomended is 2 x physical memory / $bytes_per_sect"
echo -n "Swap partition size (in $bytes_per_sect byte sized sectors)? "
read swap
case $swap in
echo
echo "$mb_left Mb ($cyl_left cylinders) remaining in ${OPSYSTEM}"
echo "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 " NS = integer { ( 2.1 x NR x $mb_sect ) / ${cylindersize} }"
# guess memory size
mb_ram=16
part_size=`expr \( 21 \* $mb_ram \* $mb_sect \) / 10`
part_size=`expr $part_size / ${cylindersize}`
# but not swap size more than 10% of disk size...
swap_quot=`expr $mb_left / $mb_ram`
if [ $swap_quot -lt 10 ]; then
part_size=$min_cyl
fi
echo -n "Swap partition size (in cylinders)? [${part_size}] "
read swap_cyl junk
if [ "$swap_cyl" = "" ]; then
swap_cyl=$part_size
fi
echo $swap_cyl
case $swap_cyl in
[1-9]*)
swap=`expr $swap_cyl \* $cylindersize`
if [ $swap -gt $whats_left ]; then
echo "Swap size is greater than remaining free space"
swap=0
fi
if [ $swap -lt $minswap ]; then
echo "Swap space must be greater than $minswap"
if [ $swap_cyl -lt $min_cyl ]; then
echo "Swap space must be greater than $min_cyl"
swap=0
fi
;;
@ -185,17 +283,8 @@ while [ $swap -eq 0 ]; do
esac
done
echo ""
echo "A blocking factor of 1 builds 4k/512 file systems,"
echo "a blocking factor of 2 builds 8k/1k file systems."
echo -n "What blocking factor should be used for the filesystem? [1] "
read blocking_factor
if [ "$blocking_factor" = "" ]; then
blocking_factor=1
fi
swap_offset=`expr $root_offset + $root`
part_used=`expr $part_used + $swap`
fragsize=`expr $bytes_per_sect \* $blocking_factor`
blocksize=`expr $bytes_per_sect \* $blocking_factor \* 8`
mount -u /dev/fd0a /
echo "" >/etc/disktab
echo "$name|${OPSYSTEM} installation generated:\\" >>/etc/disktab
@ -210,21 +299,29 @@ echo " :pc#${partition}:oc#${part_offset}:\\" >>/etc/disktab
ename="";fname="";gname="";hname=""
echo ""
echo "You will now have to enter information about any other partitions"
echo "to be created in the ${OPSYSTEM} portion of the disk. This process will"
echo "be complete when you've filled up all remaining space in the ${OPSYSTEM}"
echo "Now we enter information about any other partitions and filesystems"
echo "to be created in the ${OPSYSTEM} portion of the disk. This process"
echo "is complete when we've filled up all remaining space in the ${OPSYSTEM}"
echo "portion of the disk."
while [ $part_used -lt $partition ]; do
part_size=0
whats_left=`expr $partition - $part_used`
cyl_left=`expr $whats_left / $cylindersize`
mb_left=`expr $whats_left / $mb_sect`
while [ $part_size -eq 0 ]; do
echo ""
echo "$whats_left sectors remaining in ${OPSYSTEM} portion of disk"
echo -n "Next partition size (in $bytes_per_sect byte sized sectors)? "
read part_size
echo "$mb_left Mb ($cyl_left cylinders) remaining in ${OPSYSTEM} portion of disk."
echo
echo -n "Next partition size (in cylinders)? [${cyl_left}] "
read part_size junk
if [ "$part_size" = "" ]; then
part_size=$cyl_left
fi
echo $part_size
case $part_size in
[1-9]*)
part_size=`expr $part_size \* $cylindersize`
total=`expr $part_used + $part_size`
if [ $total -gt $partition ]; then
echo Total is greater than partition size
@ -233,8 +330,14 @@ while [ $part_used -lt $partition ]; do
part_used=$total
part_name=""
while [ "$part_name" = "" ]; do
echo -n "Mount point (no leading / please)? "
read part_name
echo
echo -n "On which directory should this filesystem be mounted? [usr] "
read part_name junk
if [ "$part_name" = "" ]; then
part_name=usr
fi
part_name=`expr "$part_name" : '/*\(.*\)'`
echo $part_name
done
fi
;;
@ -243,6 +346,18 @@ while [ $part_used -lt $partition ]; do
;;
esac
done
echo
echo "We can build this filesystem with block/fragment sizes of either:"
echo " 1) 4k/512, to save disk space at the expense of speed, or"
echo " 2) 8k/1k for speed at the expense of disk space."
echo -n "Which blocking factor should we use for this filesystem? [1] "
read blocking_factor junk
if [ "$blocking_factor" = "" ]; then
blocking_factor=1
fi
echo $blocking_factor
fragsize=`expr $bytes_per_sect \* $blocking_factor`
blocksize=`expr $bytes_per_sect \* $blocking_factor \* 8`
if [ "$ename" = "" ]; then
ename=$part_name
offset=`expr $part_offset + $root + $swap`
@ -274,17 +389,18 @@ cat /etc/disktab
sync
echo ""
echo "OK! THIS IS YOUR LAST CHANCE!!!"
echo -n "Are you sure you want this stuff installed on your hard drive? (yes/no) "
echo "OK! THIS IS THE LAST CHANCE!!! Data on the hard disk wil be lost."
echo -n "Are you sure you want to install on the hard drive? (yes/no) "
answer=""
while [ "$answer" = "" ]; do
read answer
read answer junk
echo $answer
case $answer in
yes|YES)
Yes|yes|YES)
echo ""
echo "OK! Here we go..."
;;
no|NO)
No|no|NO)
echo ""
echo "OK, then. enter 'halt' to halt the machine."
echo "Once the machine has halted, remove the floppy,"
@ -292,7 +408,8 @@ while [ "$answer" = "" ]; do
exit
;;
*)
echo -n "I want a yes or no answer... well? "
echo "Please spell out either of \`yes' or \`no'..."
echo -n "Install on the hard disk? (yes/no) "
answer=
;;
esac
@ -342,21 +459,22 @@ if [ "$hname" != "" ]; then
fi
echo ""
echo -n "Verbose installation? [n] "
read resp
#echo -n "Verbose installation? [n] "
#read resp
#
#case $resp in
# y*)
# cpioverbose=v
# ;;
# *)
# cpioverbose=
# ;;
#esac
echo Copying to disk...
cd /
case $resp in
y*)
cpioverbose=v
;;
*)
cpioverbose=
;;
esac
cat filelist | cpio -pdalmu${cpioverbose} /mnt
cat filelist | cpio -pdalmuv /mnt
#cat filelist | cpio -pdalmu${cpioverbose} /mnt
cd /mnt
@ -384,10 +502,11 @@ export TERM
echo ""
echo "Insert second installation floppy in drive and"
echo -n "enter that drive's number (e.g. 0 or 1): [0]"
read driveno
read driveno junk
if [ "\$driveno" = "" ]; then
driveno=0
fi
echo $driveno
mount -o ro /dev/fd\${driveno}a /mnt
cd /mnt
install
@ -395,11 +514,19 @@ EOF
sync
echo "The next step: reboot from the kernel copy disk, copy a"
echo "kernel to your hard disk (to partition ${drivename}a), then reboot"
echo "from the hard disk."
echo ""
echo "The next step: reboot from the kernel-copy disk, copy a kernel"
echo "to the hard disk, and finally reboot from the hard disk."
echo ""
echo "Enter 'halt' to halt the machine."
echo "Once the machine has halted, replace the floppy in the disk drive"
echo "with the kernel-copy disk that you originally booted from."
echo "Once you have done that, press any key to reboot."
echo "To do this, enter 'halt' now to halt the machine. After it"
echo "announces that it has halted, remove the floppy from the drive"
echo "and insert the kernel-copy disk that was booted before."
echo "Press any key to reboot."
echo ""
echo "When prompted to insert the file system floppy, this time just"
echo "hit RETURN without changing floppies. If all goes well, you can"
echo "enter the command \`copy' at the prompt to copy the kernel to the"
echo "hard disk. When asked for which partition to copy to, enter to"
echo "\`${drivename}a' (without the quotes)."
echo ""
echo "Okay, that's all for now. I'm waiting for you to enter \`halt'..."