09-26-2002
Re: /stand must be hfs
Quote:
Originally posted by yls177
/stand must be "hfs". is there any reason for that?
When a HP 9000 boots, the first thing that happens is firmware called pdc (processor dependent code) starts to run. Pdc can read files from a lif formatted area (the BDRA mentioned above). It will find a program called ISL and load it into core. ISL (independent system loader) is used for HP-UX and other HP os'es. It can load other lif area programs into core and run them. And there is a standalone program called "hpux" which is loaded into core by isl. The hpux loader must locate the kernel and read it into core. This means that the hpux loader must completely understand the filesystem by itself. So far it only understand hfs. My guess is that HP wants vxfs to settle down and become stable before they will add vxfs to the hpux loader. Rewriting the hpux loader to add vxfs is not a trivial task...
See the man pages for pdc(1M), isl(1M), hpux_800(1m).
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LEARN ABOUT FREEBSD
version.4th
VERSION.4TH(8) BSD System Manager's Manual VERSION.4TH(8)
NAME
version.4th -- FreeBSD version string boot module
DESCRIPTION
The file that goes by the name of version.4th is a set of commands designed to draw the boot loader version at the bottom-right of the
screen. The commands of version.4th by themselves are not enough for most uses. Please refer to the examples below for the most common sit-
uations, and to loader(8) for additional commands.
Before using any of the commands provided in version.4th, it must be included through the command:
include version.4th
This line is present in the default /boot/menu.rc file, so it is not needed (and should not be re-issued) in a normal setup.
The commands provided by it are:
print_version Prints the contents of the loader_version environment variable right-justified at the column loader_version_x
and row loader_version_y.
The environment variables that effect its behavior are:
loader_version
Set automatically by loader(8), but you can override it by setting in loader.conf(5). This should be the version of boot
loader used.
loader_version_x
Sets the desired ending column position of loader_version. Default is 80.
loader_version_y
Sets the desired ending row position of loader_version. Default is 24.
loader_color
If set to ``NO'' (case-insensitive) or ``0'', causes the version to be printed without color (default is ANSI Cyan).
FILES
/boot/loader The loader(8).
/boot/version.4th version.4th itself.
/boot/loader.rc loader(8) bootstrapping script.
EXAMPLES
Override loader(8) version in loader.conf(5):
loader_version="loader 1.1"
SEE ALSO
loader.conf(5), color.4th(8), loader(8)
HISTORY
The version.4th set of commands first appeared in FreeBSD 9.0.
AUTHORS
The version.4th set of commands was written by Devin Teske <dteske@FreeBSD.org>.
BSD
August 6, 2013 BSD