<REFERENCE>PRIME>DRB>INSTPRIMOS233

Setting up the disk

First we need to make a filesystem on the emulated disk. To do this, we will boot the MAKE program off the tape. In your first terminal window, start the emulator by typing this command:

../em -boot 10005

You'll see one or more version/copyright banners. Then you'll be asked:

RUN FILE TREENAME=

Enter:

make.save

The system will tell you it's loading MAKE, then you'll get the version/copyright banner from MAKE, and it will ask you to Enter command line options:.

Enter the following carefully, all on one line. Some versions of the emulator seem to double echo here. Remember the backspace and line kill thing from above.

-disk -part -dt -dbs off -badlev -baud -nin -new -nfl -sec

MAKE will then ask you a series of questions. The questions and their answers are:

Physical device? 7460

Partition name? comdev

Disk type? (press <return> for a list) 600mb

Which sectoring scheme would you like?
Enter "F" for Forward Sectoring, "R" for Reverse Sectoring: r

Level of badspot checking? (default = 4) 0

Baud rate? 9600

Invalid DSKRAT on  on partition 7460.
Cannot determine if there is an active Dynamic BadSpot file on this spindle.

If this partition was previously made with -DBS ON (-IC), you are strongly
recommended to make it with -FORMAT in order to rebuild the DBS file.

WARNING:  By disturbing the DBS file you will risk loss of data on all other
          partitions on the spindle.  If this partition is formatted, then
          these other partitions should be remade with -FORMAT.

OK to enable -FORMAT? [Y,N,Q] n

MAKE will create the filesystem and the emulator will exit. You should see the phrase "Partition COMDEV created successfully." somewhere in the output.

If you instead get a series of messages like this:

DISK  RD ERROR 007460  000000 000002 000000 000000 100002

you probably forgot to touch the disk file above.

Next, we need to create the paging space. Boot MAKE again:

../em -boot 10005
make.save

This time use these (slightly different) MAKE options (all on one line):

-disk -split -part -dt -dbs off -badlev -baud -nin -new -nfl -sec

MAKE will ask, and you will answer:

Physical device? 172460

Partition name? pagdev

Disk type? (press <return> for a list) 600mb

Which sectoring scheme would you like?
Enter "F" for Forward Sectoring, "R" for Reverse Sectoring: r

Level of badspot checking? (default = 4) 0

Baud rate? 9600

Please specify how you want to -SPLIT this partition.
Maximum number of paging/CDD records available is 75682.
Number of paging/CDD records? max

You should again see "Partition PAGDEV created successfully." and the emulator will again halt.

Loading the base software

Now we'll boot PRIMOS from tape to begin restoring the software distribution. Start the emulator again:

../em -boot 10005

and at:

RUN FILE TREENAME=

enter:

prirun>primos.save

Remember, the kill character is a question mark. Now PRIMOS will ask you a few questions to get itself configured enough for basics:

Enter COMmand DEVice: 7460
Enter PAGing DEVice: 172460
Enter Number Terminal USeRs: 1
PAGDEV 172460, partition <PAGDEV>, has not previously been used for paging.
 Are you SURE you want to page on PAGDEV 172460? yes
Enter system name: SYS233

You pick the sytem name. It may contain up to six characters, and the first must be a letter). Note that these values are only used for the current boot, and are not saved anywhere permanent. After you answer those questions, you should see the version/copyright banner and some other startup messages. (You may also see some emulator messages about device initialization.) Eventually, you'll get to a command prompt ("OK, "). Terminal i/o in PRIMOS is not synchronous, so it may appear, then be followed by a few other lines.

Now type the following commands to set your working directory, claim the tape drive device, and run the tape restore program from the tape:

a mfd 0
as mt0
mtresume mt0 magrst.run

Now MAGRST will banner, and ask you three questions, and you will answer:

Tape Unit (9 Trk): 0
Enter logical tape number: 1
Ready to Restore: yes

When you've answered these questions, MAGRST will restore the files from the boot tape onto the disk.

---

Do the following for each of the other tape images you extracted. Do them in this order: u1, u2, v1, c1, d1, ic. (About tapeids)

Remove the mt0 symlink and re-create it pointing to m233<tapeid>.tap. Then start MAGRST from disk. It should look something like this:

rm mt0
ln -s ../tapes/m233u1.tap mt0
r magrst

and answer the three questions with 0, 1 and yes.

---

For the final restore, we'll read a set of basic configuration files from the cfg.tap file to get you started. In your second window, remove the mt0 symlink again, and make a new one pointing to cfg.tap. Then, in the first window:

magrst
0
1
yes

The files read you read from cfg233.tap were:

• CMDNC0>CONFIG - system configuration settings, including erase and kill
• CMDNC0>PRIMOS.COMI - commands to configure shared libraries, start spoolers, enable user login, and other such housekeeping
• CMDNC0>AMLC.COMI - commands to configure serial ports, called from PRIMOS.COMI

You've now read in all of the basic operating system parts. Note that the CONFIG file sets the "erase character" to backspace, and the line kill character to a Control-U.

Configuring the base software

Type the following commands to set up the spooler, search rules and the translator libraries:

spac comdev system:all

a mfd 0
create spool_data*
create spool_queue*

a system
r entry$.install.cpl
ssr search_rules*>entry$.sr
r attach$.install.cpl
r binary$.install.cpl
r command$.install.cpl
r include$.install.cpl
r spool.install_acl.cpl
a translators
r translators.install.cpl

Now shut down the operating system:

shut all
yes

and boot again, from disk this time:

../em -boot 14114

Create the user authorization database. The dialog looks something like this:

OK, edit_profile
SAD does not exist.  Create it? y
*** Creating User Validation File.  Projected number of users: 32
System administrator name: system
Create project "DEFAULT"? y
Set system-wide attributes for user "SYSTEM":
        Password: <password for system>
        Groups: <enter>
Set limits for project "DEFAULT":
        Groups: <enter>
        Maximum number of command levels: 10
        Maximum number of live program invocations per command level: 10
        Maximum number of private, dynamic segments: 64
        Maximum number of private, static segments: 64
Set profile attributes for project "DEFAULT":
        Groups: <enter>
        Initial attach point: <comdev>cmdnc0
Attribute limits for the project:
        Number of command levels: 10
        Number of live program invocations per command level: 10
        Number of private, dynamic segments: 64
        Number of private, static segments: 64
Set attributes for user "SYSTEM" in project "DEFAULT":
        Groups: <enter>
        Initial attach point: <comdev>cmdnc0
Create/change user attributes? no
Check entry? no
> sd -on
> quit

Now shut down the operating system again:

shut all
yes

and boot from disk again:

../em -boot 14114

and you should have a working operating system.