Sysgen commands used in the sysboot procedure – HP BA322 90087 User Manual
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•
Specify another system startup command procedure
•
Select the default system parameter file (ALPHAVMSSYS.PAR) if you modified system
parameters to values that render the system unbootable
•
Specify a minimum startup
There are several ways to perform a conversational boot. The following procedure is the most
direct:
THEN GO TO...
IF ...
Step 1
The OpenVMS Alpha operating system is running
Step 4
The OpenVMS Alpha operating system is not running
1.
Log in to the SYSTEM account.
2.
Enter the following command and press Enter:
$ @SYS$SYSTEM:SHUTDOWN
3.
Answer the questions displayed by the system. When the procedure asks whether an
automatic reboot should be performed, press Enter for NO. When the procedure is finished,
it displays the following message:
SYSTEM SHUTDOWN COMPLETE
4.
Halt the system by pressing either Ctrl/P or Halt. (For more information about how to halt
your Alpha computer, see
.)
5.
To begin the conversational boot, enter the BOOT command in the following format:
BOOT -FLAGS 0,1 [
device-name]
for device-name, substitute the device name of the drive from which you want to boot. For
example, if the system disk has a device name of DKA400, enter the following command
and press Enter:
>>> BOOT -FLAGS 0,1 DKA400
If you do not specify a device name, the system boots from the boot device assigned when
you entered the SET BOOTDEF_DEV command.
6.
At the SYSBOOT> prompt, you can enter any of the SYSGEN commands listed in
.
For more information about these SYSGEN commands, see the HP OpenVMS System
Management Utilities Reference Manual: M-Z.
7.
When you finish using the SYSGEN commands, enter the CONTINUE command to complete
the boot process.
Table A-2 SYSGEN Commands Used in the SYSBOOT Procedure
Description
Command
Resumes the boot procedure.
CONTINUE
Inhibits checking of parameter values specified with the SET command.
DISABLE CHECKS
Permits checking of parameter values specified with the SET command.
ENABLE CHECKS
Displays a summary of the SYSBOOT commands on the terminal screen.
HELP
Establishes the value of a system parameter.
SET parameter-name
Sets the name of the system startup command procedure.
SET/STARTUP
Displays active, current, default, maximum, and minimum values for
specific parameters. (Use qualifiers to display characteristics of parameters
grouped by categories.)
SHOW [parameter]
Specifies a parameter file to be used as a source of values. You must enter
the entire file specification, including device and directory; you cannot
specify a logical name.
USE [file-spec]
A.1 Booting Operations
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