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From: Mike Meyer <mwm@mired.org>
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Date: Thu, 22 Mar 2001 18:15:28 -0600
To: Eric M Logan <ericmlogan@mediaone.net>
Cc: Andrew Hesford <ajh3@chmod.ath.cx>, Mike Meyer <mwm@mired.org>,
	questions@freebsd.org
Subject: Re: ramdisks and mfs...
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Eric M Logan <ericmlogan@mediaone.net> types:
> Thanks, time to buy some dirt cheap ram.  :)

Unless you know pretty what's going to be in it well enough to wire
the size down accurately, you'll probably get better system
performance with mfs instead of md.

	<mike

> Andrew Hesford wrote:
> 
> > Modify the MD_NSECT variable, yes.
> >
> > The MD_ROOT_SIZE=10 allows you to specify the size of a blank spot in
> > the kernel for storing an md_image file. This well become your root
> > device if you allow md root devices.
> >
> > By the way, can somebody please tell me how to put an md_image into the
> > kernel like that? Is it just with some careful use of dd, is there a
> > make flag, or some other method? I haven't been able to figure it out.
> >
> > Likewise, how can I extract the md_image from the kernel, if I want to
> > modify it? PicoBSD builds a kernel with md_image built right in, but I
> > can't figure out how to get the md_image in order to add some binaries.
> >
> > On Thu, Mar 22, 2001 at 01:52:36PM -0800, Eric M Logan wrote:
> > > would I do this using the "MD_ROOT_SIZE=10" or "MD_NSECT=40000" option in the
> > > kernel config?  Thanks
> > --
> > Andrew Hesford
> > ajh3@chmod.ath.cx
> 
> --
> *****************************
> Eric M Logan
> ericmlogan@mediaone.net
> eric_m_logan@yahoo.com
> 
> *****************************
>  Flames to /dev/null plz.  :)
> *****************************
> 
> 
> 
--
Mike Meyer <mwm@mired.org>			http://www.mired.org/home/mwm/
Independent WWW/Perforce/FreeBSD/Unix consultant, email for more information.

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