Date: Fri, 22 Aug 1997 17:53:37 +1000 From: Peter Champas <peter@besys.net.au> To: freebsd-isp@FreeBSD.ORG Subject: Re: Multiple Swap Partitions Message-ID: <33FD4581.456FE788@besys.net.au> References: <Pine.BSF.3.96.970821115519.14150A-100000@sunasci.informador.com.mx>
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Felipe Rivera Marquez wrote: > > Taken from man pages of swapon > ------------------------------------ > DESCRIPTION > Swapon is used to specify additional devices on which paging and > swapping > are to take place. The system begins by swapping and paging on > only > a > single device so that only one disk is required at bootstrap > time. > Calls > to swapon normally occur in the system multi-user initialization > file > /etc/rc making all swap devices available, so that the paging and > swap- > ping activity is interleaved across several devices. > ------------------------------------------------------------ > > So, in theory, you can have several swap partitions defined in > /etc/fstab. > > The thing i've tried is using vn devices to allow swaping on a > file, and maybe this is more useful for you. > > 0. Recompile your kernel if it has no support for vn > pseudo-devices. Add this line to your kernel configuration > > pseudo-device vn 4 > > 1. Create a file as big as you want the aditional swap space > to > be. (I put it on /var/tmp) > > 2. Create vn devices > > /dev/MAKEDEV vn0 > > 3. Use vnconfig to configure the special file and activate > swap on > it. > > vnconfig -e /dev/vn0 /var/tmp/swapfile swap) And most inportant don't foget to do a /sbin/swapon /dev/vn0 Everyone Seems to forget to tell you these LITTLE things :)) But this method does work real well cheers -- *---------------------[ http://www.besys.net.au/ ]---------------------* | Peter Champas | peter@besys.net.au | |----------------------------------------------------------------------| | I don't demand perfection, just something that's reasonably reliable | *----------------------------------------------------------------------*
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