Date: Thu, 22 Mar 2001 18:15:28 -0600 From: Mike Meyer <mwm@mired.org> 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... Message-ID: <15034.38304.596810.620284@guru.mired.org> In-Reply-To: <3ABA8457.A644C280@mediaone.net> References: <15033.28284.778431.468125@guru.mired.org> <3AB9B07F.E6F9D481@mediaone.net> <15034.1210.849837.67514@guru.mired.org> <3ABA5B59.6A6330C4@mediaone.net> <15034.27254.538073.247625@guru.mired.org> <3ABA7424.6036B736@mediaone.net> <20010322165925.A9880@cec.wustl.edu> <3ABA8457.A644C280@mediaone.net>
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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. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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