1# $FreeBSD: src/sys/ufs/ffs/README.softupdates,v 1.7.2.1 2000/06/26 14:09:01 sheldonh Exp $ 2# $DragonFly: src/sys/vfs/ufs/README.softupdates,v 1.3 2004/07/18 19:43:48 drhodus Exp $ 3 4Add option SOFTUPDATES to your kernel configuration. You should also 5read the copyrights in the sources and the README file. 6 7Once you're running a kernel with soft update support, you need to enable 8it for whichever filesystems you wish to run with the soft update policy. 9This is done with the -n option to tunefs(8) on the UNMOUNTED filesystems, 10e.g. from single-user mode you'd do something like: 11 12 tunefs -n enable /usr 13 14To permanently enable soft updates on the /usr filesystem (or at least 15until a corresponding ``tunefs -n disable'' is done). 16 17For more general information on soft updates, please see: 18 http://www.ece.cmu.edu/~ganger/papers/CSE-TR-254-95/ 19 20-- 21Julian Elischer <julian@freebsd.org> 22