On 23.08.2010, Arno Wagner wrote: > > In case of the filesystem barriers (not the IO barriers, which are > > different AFAIK) they're used to make sure, that the COMMITS in the > > journal are written after the journal is correctly flushed out. > If that means I am back to ext2 safety levels, then I can > live with that. You could turn the hardware wb cache of your harddrive off and leave the barriers off too.. I've been running my disks a liftime without barrier support without any hassle, because it improves speed and interactivity a lot, but I must admit that my machines are all UPS secured. /dev/mapper/root on / type xfs (rw,noatime,logbsize=256k,logbufs=2,nobarrier) /dev/mapper/home on /home type xfs (rw,noatime,logbsize=256k,logbufs=2,nobarrier) _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx http://www.saout.de/mailman/listinfo/dm-crypt