System - DEC VAX 4000 300 Manual

12. Write-protect the tape cartridge and store it in a safe place.
C.1.4 Booting Standalone BACKUP from a Tape Cartridge
If the system disk containing standalone BACKUP should become unusable,
you can boot standalone BACKUP from a tape cartridge.
standalone BACKUP from a tape cartridge takes approximately 20 minutes.
You need a tape cartridge that contains standalone BACKUP (either the
distribution tape cartridge or one that you created). To boot standalone
BACKUP from a tape cartridge, use the following procedure:
1. If the VMS operating system is not running, go to step 2.
If the VMS operating system is running, enter the following command
to shut down the operating system:
$ @SYS$SYSTEM:SHUTDOWN
Answer the questions. When the procedure asks if an automatic system
reboot should be performed, press Return for No. When the procedure
is finished, the system displays the following message:
SYSTEM SHUTDOWN COMPLETE - USE CONSOLE TO HALT SYSTEM
2. Stop the system by pressing the Halt button on the SCP.
3. Insert the tape cartridge containing standalone BACKUP in the tape
cartridge drive.
4. To boot standalone BACKUP, enter the following command at the
console prompt (>>>):
>>>B MUA0
Return
NOTE: If your system uses the TLZ04 tape drive, enter the device name
MKA0. If your system uses the TF85 tape drive, enter the device name
MIA0.
5. Standalone BACKUP displays a message similar to the following:
VAX/VMS Version V5.4--n Major version id=1 Minor version id=0
6. The procedure asks for the date and the time. Enter the date and time,
using the 24-hour clock format; for example:
PLEASE ENTER DATE AND TIME (DD-MMM-YYYY HH:MM)
19-APR-1991 13:00
7. The system displays a list of the local devices on your system; for
example:
Return
Return
Booting
Backup Procedures C–5