On 22 Sep 2007, at 12:19, Roland Smith wrote:
To elaborate, the loader doesn't know about the RAID layout. It is
only
usable _after_ the kernel has loaded.
I read in the FreeBSD hanbook that I can have root on raid 5 by
doing the
following:
"There is another option as well, to have /boot/loader (Section
12.3.3)
load the vinum kernel module early, before starting the kernel.
This can be
accomplished by putting the line:
geom_vinum_load="YES"
into the file /boot/loader.conf."
The thing is that vinum is not gvinum! Gvinum is a replacement for
vinum
using the GEOM framework. I guess nobody has gotten around to
update the
handbook yet.
Did you read the handbook? They say at the beginning of the chapter
20 (20.1):
"Starting with FreeBSD 5, Vinum has been rewritten in order to fit
into the GEOM architecture (Chapter 19), retaining the original
ideas, terminology, and on-disk metadata. This rewrite is called
gvinum (for GEOM vinum). The following text usually refers to Vinum
as an abstract name, regardless of the implementation variant. Any
command invocations should now be done using the gvinum command, and
the name of the kernel module has been changed from vinum.ko to
geom_vinum.ko, and all device nodes reside under /dev/gvinum instead
of /dev/vinum. As of FreeBSD 6, the old Vinum implementation is no
longer available in the code base."
So that makes me think they have updated the handbook.
and in the chapter 20.9.1 it says:
"load the vinum kernel module early, before starting the kernel. This
can be accomplished by putting the line:
geom_vinum_load="YES"
into the file /boot/loader.conf."
"For Gvinum, all startup is done automatically once the kernel module
has been loaded, so the procedure described above is all that is
needed. The following text documents the behaviour of the historic
Vinum system, for the sake of older setups."
It seems perfectly clear the handbook has both been updated and is
saying i can have root on raid, or am I mistaken?
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