On Tue, Jul 08, 2008 at 02:11:46PM -0500, Jim Lester wrote: > Is there any reason to use directio over tur if the system supports tur? No. directio is much slower than tur. Think of tur as 'ping' and directio as doing a HTTP request - much heavier. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel