On Sat, 5 Jan 2008 22:35:11 -0800, David Querbach wrote: >I've just recently built an OpenBSD firewall with a CF disk. It works just >fine -- the installation proceeds exactly as for a mechanical disk. > >I do, however, use the mfsmount script > > > (http://stsx.xs4all.nl/www.stsx.org/software/openbsd/README.mfsmount.txt) > >which puts /var on a RAM-disk and re-mounts / read-only. As mentioned >before, this precaution is probably unnecessary, but having the CF mounted >read-only ensures that no unwanted writes are occurring at all. > >Even if you don't mount / read-only, you may wish to mount it noatime to >avoid access time updates every time a file is accessed. By minimizing >writes, you will also reduce the number of sometimes lengthy erase cycles >required by the underlying flash-ROM devices. >
In many small systems, Soekris for example, RAM is sometimes scarce. When I see people using MFS in that situation and then creating a swap partition in MFS too, I fall about laughing. I don't think you suggested that, but you reminded me of it, so thanks for brightening up my day by oblique reference. Rod/ /earth: write failed, file system is full cp: /earth/creatures: No space left on device
