Date: Thu, 5 Oct 2000 18:20:56 +1300 From: "Dan Langille" <dan@langille.org> To: Glenn Johnson <glennpj@charter.net> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: more than one swapfile with vnconfig Message-ID: <200010050521.SAA36181@ducky.nz.freebsd.org> In-Reply-To: <20001004165235.A1487@gforce.johnson.home> References: <200010041018.XAA28539@ducky.nz.freebsd.org>; from dan@langille.org on Wed, Oct 04, 2000 at 11:18:49PM %2B1300
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On 4 Oct 2000, at 16:52, Glenn Johnson wrote:
> On Wed, Oct 04, 2000 at 11:18:49PM +1300, Dan Langille wrote:
>
> > I'm trying to add yet more swap space to one of my boxes. I'm using
> > vnconfig.
> >
> > /etc/vntab contains this:
> >
> > /dev/vn0c /usr4/swapfile swap
> >
> > I created a new swap file using this command:
> >
> > dd if=/dev/zero of=/usr2/swapfile bs=15m count=20
> >
> > I don't know how to specify the second swap file in the configuration
> > file. I'd like to use both the existing and the new swap file.
> >
> > clues please.
>
> Your vntab has /usr4/ but you created the file under /usr2/ so
> you may want to verify if that is correct. You can create the
> swapfile from vnconfig by the way, vnconfig(8).
Sorry, I wasn't clear. I should not write late at night (repeat 100 times).
I already had one swap file (/usr4/swapfile) but this was insufficient. So
I created another (/usr2/swapfile). My problem was trying to figure out
how to specify both swapfiles withint the same /etc/vntab file.
> Anyway, assuming
> that /usr2/swapfile is where the file actually is, you would add the
> following to /etc/rc.conf:
>
> swapfile="/usr2/swapfile"
>
> Then, the following code from /etc/rc is activated:
>
> -----
> # Add additional swapfile, if configured.
> #
> case ${swapfile} in
> [Nn][Oo] | '')
> ;;
> *)
> if [ -w "${swapfile}" -a -c /dev/vn0b ]; then
> echo "Adding ${swapfile} as additional swap."
> vnconfig /dev/vn0b ${swapfile} && swapon /dev/vn0b
> fi
> ;;
> esac
> -----
>
> Hope that helps.
Now that is interesting. Thanks.
For the time being, I've changed /etc/vntab to refer to the new swap file
instead of the old swap file. I'll clean things up after BSDCon.
Thanks.
--
Dan Langille
The FreeBSD Diary - http://www.freebsddiary.org/
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