Installation manual
Booting from [SYSF] During an Upgrade
C.1 Booting Procedures
5. Edit DEFBOO.COM. Change the line that deposits a value in register 5
(R5). This line contains the comment !Use R5 for optional boot control flags
[SYSB.]. The value is a hexadecimal number with eight bits. For example:
DEPOSIT R5 10000000 !software boot flags
Change the left-most digit of the value to reflect the name of the root directory
from which you want to boot. For example, to boot from [SYSF], change the
line as follows:
DEPOSIT R5 F0000000 !software boot flags
6. Rename DEFBOO.COM to SYFBOO.COM, as follows:
$ RENAME DEFBOO.COM SYFBOO.COM
7. Use the Exchange utility to copy SYFBOO.COM to the console media. Enter
a command similar to the following:
$ EXCHANGE COPY SYFBOO.COM CSA1:SYFBOO.COM
8. When you are finished, enter a command similar to the following and press
Return:
$ DISMOUNT CSA1
9. To secure the console media from unauthorized access, you must enter a
command similar to the following and press Return:
$ MOUNT/FOREIGN/SYSTEM/NOWRITE/NOASSIST CSA1
To boot from [SYSF] during an upgrade, use the following procedure:
1. Make sure the console media is in the console drive and that the TERMINAL
CONTROL switch is set to LOCAL.
2. Press Ctrl/P. Enter the HALT command at the console-mode prompt (>>>)
and press Return:
>>> HALT
3. Use SYFBOO.COM to boot from [SYSF]. Enter the following command and
press Return:
>>> B SYF
C.1.6 VAX 6000 Series
To boot from [SYSF], use the following procedure:
1. If you have a CIBCA-A adapter and are booting over the CI, insert the console
tape cartridge in the console drive.
2. Press Ctrl/P to put the system in console mode.
3. Enter the BOOT command in the following format:
>>> BOOT /R5:F0000000 /XMI:a /BI:b [/R3:c] [/NODE:d] DUu
where:
• a is the XMI node number of the system disk.
• b is the VAXBI node number of the system disk.
• c pertains to volume shadowing. This qualifier is not required unless you
are using volume shadowing. For more information, refer to the Volume
Shadowing for OpenVMS manual.
C–4 Booting from [SYSF] During an Upgrade