Date: Fri, 25 Oct 2013 17:31:45 +0200 From: Rostislav Krasny <rosti.bsd@gmail.com> To: freebsd-current@freebsd.org Subject: Re: Using a swap file Message-ID: <CANt7McEHeY0ByUtRN1Mbm7xpxzta9xKfMyHP1mwptQbCKBK_Rw@mail.gmail.com> In-Reply-To: <CANt7McF3otwZvy3hUh%2BY1bm_A3vLhJcKThdZy4=u6EPNXfEByA@mail.gmail.com> References: <CANt7McF3otwZvy3hUh%2BY1bm_A3vLhJcKThdZy4=u6EPNXfEByA@mail.gmail.com>
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On Fri, Oct 25, 2013 at 3:50 PM, Rostislav Krasny <rosti.bsd@gmail.com> wrote: > Hi there, > > I've 10.0-BETA1 i386 installed and I want to use a swap file instead > of a swap partition. I created /swapfile and I'm able to enable it > manually by following commands: > > mdconfig -a -t vnode -f /swapfile -u 0 > swapon /dev/md0 > > This is according to the following section of the Handbook: > > http://www.freebsd.org/doc/handbook/adding-swap-space.html > > It still states that adding swapfile="<path to swapfile>" into > /etc/rc.conf enables that swap file during a boot automatically. > However this is already not true for CURRENT and for the upcoming 10.0 > release. According to following commit number 252310 this rc.conf > parameter is obsolete > > http://svnweb.freebsd.org/base?view=revision&revision=252310 > > It introduces different configuration and offers to add a line like > following into /etc/fstab > > md none swap sw,file=/swapfile 0 0 > > This is what I did but 'swapon -a' still doesn't work. I didn't try to > reboot because I build world in other console. But I believe the > result will be the same, because /etc/rc.d/swap runs the same command: > '/sbin/swapon -aq'. So what is the right way to enable a swap file > during a boot and for commands like 'swapon -a' ? > > Thanks > > P.S. The Handbook needs to be updated After rebooting (into an updated system) the swap file somehow turned on and was running through /dev/md0. Unfortunately after running 'swapoff -a' it is impossibly to turn it back on and /dev/md0 is disappeared. So the swapon(8) program is still broken.
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