install.1

<B>Digital的Unix操作系统VAX 4.2源码</B>

		ns=22;nt=19;;
	RP07 )
		ns=50; nt=32;;
	RF30 )
		ns=37; nt=6;;
	RF71 )
		ns=37; nt=16;;
	RZ23 )
		ns=33; nt=8;;
	RZ55 )
		ns=36; nt=15;;
	RZ56 )
		ns=54; nt=15;;
	* )
		GEOMETRY=`geometry $root_d $root_u`
		case $? in
		0 )     ;;
		* )
			echo "
Unable to obtain device geometry for $root_d$root_u.
This is not a supported system disk."
			exit 1
			;;
		esac
		set xx $GEOMETRY
		ns=$2; nt=$3;
		;;
	esac

	case $root_D in
	RZ23 | RZ23L | RD53 ) echo "
NOTE: The ${root_D} disk is not supported by itself as a system disk.
A second suitably sized disk is required to perform the installation.
Disk partitions must be carefully selected based on the usage infor-
mation in the Guide to Installing ULTRIX."
		if test "$ADVFLAG" -eq "0"
		then
		echo "
BASIC installations are not allowed using the ${root_D} as a system
disk.  The installation procedure will switch to ADVANCED installation
and continue.
"
		ADVFLAG=1
		DEF_PT=0
		fi
		;;
	esac

	cd /dev
	MAKEDEV ${root_d}${root_u}a ${root_d}${root_u}c > /dev/null
	case $? in
	0 )	;;
	* )
		echo "
The MAKEDEV command could not make the special files for the system disk,
$root_d$root_u. $ERMSG1"
		exit 1	;;
	esac

	cd /
	case $DEF_PT in
	0 )
		chpt -q /dev/r$root_d${root_u}a > /tmp/pt_exist 2>/dev/null 
		case $? in
		0 )
			chpt -q -d /dev/r$root_d${root_u}a > /tmp/pt_def 2>/dev/null 
			ed /tmp/pt_def <<xxEOFxx 1>/dev/null
				1,2d
				w
				q
xxEOFxx
			ed /tmp/pt_exist <<xxEOFxx 1>/dev/null
				1,2d
				w
				q
xxEOFxx
			PTdef=`dd if=/tmp/pt_def 2>/dev/null`
			PTexist=`dd if=/tmp/pt_exist 2>/dev/null`
			if [ "$PTdef" = "$PTexist" ]
			then
				DEF_PT=1
			fi
			;;
		esac
		;;
	esac

	case $DEF_PT in
	1 )
		chpt -d /dev/r$root_d${root_u}a 2>/dev/null 
		chpt -d /dev/r$root_d${root_u}c 2>/dev/null 
		;;
	0 )
		while :
		do	
			echo -n "
Select one of the following partition tables to be displayed 
for the system disk $root_d$root_u $root_D:

	1 ) Default partition table
	2 ) Existing partition table	

Enter your choice: "
			read ppp
			ppp=`echo $ppp`
			case $ppp in
			1 )
				echo "
The following table shows the default disk partitions: 
Note: The size is shown in 512-byte blocks.
"
				dd if=/tmp/pt_def 2>/dev/null
				;;
			2 )
				echo "
The following table shows the existing disk partitions:
Note: The size is shown in 512-byte blocks.
"
				dd if=/tmp/pt_exist 2>/dev/null
				;;
			* )	
				continue
				;;
			esac
			echo -n "
Are these the disk partitions you want? (y/n): "
			read ans
			ans=`echo $ans`
			case $ans in
			n )
				continue
				;;
			y )
		            case $ppp in
			    1 )
				chpt -d /dev/r$root_d${root_u}a 2>/dev/null 
				chpt -d /dev/r$root_d${root_u}c 2>/dev/null 
				DEF_PT=1
				;;
			    2 )
				ed /tmp/pt_exist 1>/dev/null <<xxEOFxx
					2w /tmp/part
xxEOFxx
				set xxx `dd if=/tmp/part 2>/dev/null`
				case $6 in
				*b* )	
					echo "$ERMSG5
The 'a' and 'b' partitions overlap.  You must select the default disk
partition layout to use this disk.
"
					continue 2
					;;
				esac
				ROOTSIZE=$5
				if test $ROOTSIZE -lt $MINIROOTSIZE
				then
					echo "$ERMSG5
The 'a' partition needs a size of at least ${MINIROOTSIZE}.  You must select 
the default disk partition layout to use this disk.
"
					continue 2
				fi	
				ed /tmp/pt_exist 1>/dev/null <<xxEOFxx
					3w /tmp/part
xxEOFxx
				set xxx `dd if=/tmp/part 2>/dev/null`
				if test $5 -lt $MINISWAPSIZE
				then
					echo "$ERMSG5
The 'b' partition needs a size of at least ${MINISWAPSIZE}.  You must
select the default disk partition layout to use this disk.
"
					continue 2
				fi	
				;;
			    esac
			    ;;
			* )
				continue
				;;
			esac
			break
		done
		;;
	esac

	echo "
The installation procedure now allocates the root file system on
partition 'a' of the system disk, ${root_d}${root_u} ${root_D}. ${LL}"
	dd if=bootblks of=/dev/r${root_d}${root_u}a bs=8192 count=1 >/dev/null 2>&1
	case $? in
	0 )	;;
	* )	echo "$ERMSG3"
		rm -f /dev/*${root_d}${root_u}* 
		continue ;;
	esac
	break
done

umount /mnt >/dev/null 2>&1
echo "Making the root file system on $root_d$root_u $root_D."
(echo "
Making the root file system on $root_d$root_u $root_D.") > /FILESYS.log
case $DEF_PT in
1 )
	ROOTSIZE=$MINIROOTSIZE
	;;
esac
mkfs /dev/r${root_d}${root_u}a $ROOTSIZE $ns $nt 8192 1024 2>&1 >> /FILESYS.log 
case $? in
0 )	;;
* )
	echo "
The mkfs command failed to construct a file system on
partition 'a' of the system disk, ${root_d}${root_u}. $ERMSG1"
	exit 1	;;
esac
mount /dev/${root_d}${root_u}a /mnt 
case $? in
0 ) ;;
* )
	echo "
The mount command failed to mount partition 'a' of the system
disk, ${root_d}${root_u}. $ERMSG1"
	exit 1 ;;
esac

	
while : true
do
	case $media_D in

	REMOTE )
		cd /mnt
                rsh $SERVER -l ris -n grep "'^$CLIENT:'" clients/risdb 2>/dev/null > /tmp/ris.ent
		[ -s /tmp/ris.ent ]  || {
			echo "
Cannot find $CLIENT in risdb file.  Check the sytem manager of 
your host server."
			exit 1
		}
		DIFS="$IFS"
		IFS=:
		set `dd if=/tmp/ris.ent 2>/dev/null`
		PRODS=$3
		IFS=,
		set $PRODS
		RISROOT=`rsh $SERVER -l ris -n "echo $1/*/ROOT"`
		IFS=$DIFS
		echo "$MSG4 ${root_d}${root_u} ${root_D}. "
		rsh $SERVER -l ris -n "dd if=$RISROOT bs=10k" | restore rf -
		case $? in
		0 )	;;
		* )
			echo "
The root file system restore operation failed.  Please check with the
system manager of your host server."
			exit 1 ;;
		esac
		dd if=/netstart of=netstart 2>/dev/null
		dd if=/etc/hosts of=etc/hosts 2>/dev/null
		break
		;;

	RA60 | CDROM )
		if test "$media_D" = "RA60"
		then
			echo "${LL}
The installation procedure now checks your distribution medium,
${media_d}${media_u}, to ensure that it is not corrupt. "
			fsck /dev/r${media_d}${media_u}${media_p}
			case $? in
			0 ) ;;
			* )
				echo "
The fsck command failed to complete a file consistency check
for the file system on partition ${media_p} of the ra60 distribution medium,
${media_d}${media_u}. $ERMSG1"
				exit 1
				;;
			esac
		fi
		mkdir rootdump
		mount -r /dev/${media_d}${media_u}${media_p} /rootdump 
		case $? in
		0 )	;;
		* )
			echo "
The mount command was unable to mount the ra60 distribution medium,
${media_d}${media_u} on /rootdump.  $ERMSG1"
			exit 1	;;
		esac
		cd /mnt
		echo "$MSG4 ${root_d}${root_u} ${root_D}."
		restore rf /rootdump/$DISK_MEDIA_DIR/ROOT 
		case $? in
		0 )	;;
		* )
			echo "
The restore command could not access the root file system. $ERMSG1"
			exit 1	;;
		esac
		break
		;;

	RX50)
		cd /mnt
		echo "$MSG4 ${root_d}${root_u} ${root_D}."
		restore rBf 400 /dev/${media_d}${media_u}$media_p
		case $? in
		0 )	;;
		* )
			echo -n "
The restore command failed to access the RX50 distribution medium. To
correct the error, make sure you loaded the appropriate RX50 distribution
medium correctly in the drive. Then answer y to the following question.
	
Do you want to continue with the installation? (y/n) [y]: "
			read resp
			resp=`echo $resp`
			case $resp in
			n* | N*)
				;;
			*)
				continue ;;
			esac
			;;
		esac
		break
		;;

	 * )
		cd /mnt
		mt -f /dev/nrmt0h fsf 2
		echo "$MSG4 ${root_d}${root_u} ${root_D}."
		restore rf /dev/nrmt0h
		case $? in 
		0 )	;;
		* )
			echo "
The restore command failed to access the magnetic tape distribution
medium. $ERMSG1"
			exit 1	;;
		esac
		break
		;;
	esac
done

echo "$root_D $root_d $root_u $media_D $media_d $media_u $media_p" > .minidevice
echo "$ADVFLAG $DEF_PT $MACHTYPE" > .advflag
dd if=/tmp/showboot of=/mnt/tmp/showboot 2>/dev/null
cd /
echo "${LL}*** BOOTSTRAP COMMAND SEQUENCE ***" >> /install.log
case media_D in
REMOTE )
	echo "${LL}Distribution source is remote server $SERVER" >> /install.log
	;;
esac
dd if=/tmp/showboot 2>/dev/null >> /install.log
dd if=/install.log of=/mnt/install.log 2>/dev/null
dd if=/FILESYS.log of=/mnt/FILESYS.log 2>/dev/null

umount /dev/${root_d}${root_u}a
echo "$MSG5 ${root_d}${root_u}  ${root_D}."
fsck /dev/r${root_d}${root_u}a 
case $? in
0 )	;;
* )
	echo "
The fsck command failed to complete a file system consistency check 
for the file system on partition 'a' of the system disk, ${root_d}${root_u}.
$ERMSG1 "
	exit 1	;;
esac

echo "${LL} *** BOOTSTRAP COMMAND SEQUENCE ***"
dd if=/tmp/showboot 2>/dev/null 

exit 0