OpenVMS Systems
OpenVMS
systems require an ordered pair, separated by a comma, as the
flags_value
argument:
root_number
,
boot_flags
.
root_number
Directory number of the system disk on which
OpenVMS
files are located.
For example:
root_number
Root
Directory
0 (default)
[SYS0.SYSEXE]
1 [SYS1.SYSEXE]
2 [SYS2.SYSEXE]
3 [SYS3.SYSEXE]
boot_flags
The hexadecimal value of the bit number or numbers set. To specify
multiple boot flags, add the flag values (logical OR). For example, the flag
value 10080 executes both the 80 and 10000 flag settings. See Table 3–1.
Table 3–1 OpenVMS Boot Flag Settings
Flags_Value Bit
Number Meaning
1
0
Bootstrap conversationally (enables you to modify
SYSGEN parameters in SYSBOOT).
2
1
Map XDELTA to a running system.
4
2
Stop at initial system breakpoint.
8
3
Perform diagnostic bootstrap.
10
4
Stop at the bootstrap breakpoints.
20
5
Omit header from secondary bootstrap image.
80
7
Prompt for the name of the secondary bootstrap file.
100
8
Halt before secondary bootstrap.
10000
16
Display debug messages during booting.
20000
17
Display user messages during booting.
3-8
hp AlphaServer TS15 Owner's Guide