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Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!msuinfo!agate!howland.reston.ans.net!europa.eng.gtefsd.com!MathWorks.Com!news.kei.com!travelers.mail.cornell.edu!newstand.syr.edu!rodan.syr.edu!smcarey From: smcarey@rodan.syr.edu (Shawn M Carey) Newsgroups: comp.os.386bsd.questions Subject: Re: Creating mfs under FreeBSD Date: 26 Sep 1994 06:13:04 GMT Organization: Syracuse University, Syracuse, NY Lines: 35 Message-ID: <365opg$r9e@newstand.syr.edu> References: <CwpuyJ.2oA@usenews.nrlssc.navy.mil> NNTP-Posting-Host: rodan.syr.edu In article <CwpuyJ.2oA@usenews.nrlssc.navy.mil> beck@nrlssc.navy.mil (Jeff Becklehimer) writes: >Hi all, > >I running FreeBSD 1.1.5.1 and have decided that I would like to create a >mfs so that I can place some frequently accessed files there. After looking >at the mount man page I am a bit confused, one of the examples is > >mount -t mfs -o nosuid,-N,-s=4000 /dev/wd0b /tmp > >This looks like what I want to do but isn't /dev/wd0b the swap area on disk >and not in memory? Yep, the swap area is where the ramdisk gets backed up when memory gets too low. >Anyway, I said what the heck and tried it with a directory >named /ram rather than /tmp but got back an error message about operation not >supported by device. > >So, how do I create a file system in memory? You need to have a line like the following in your kernel config file: options MFS #Memory based File System Then you need to reconfig the kernel, rebuild and install it. > >Thanks. > Welcome. -Shawn Carey