On 12/14/15 4:34 AM, Georg Schönberger wrote: > On 2015-12-14 11:27, Christoph Hellwig wrote: >> On Mon, Dec 14, 2015 at 10:18:54AM +0000, Georg Sch?nberger wrote: >>>> Or to phrase it >>>> differently: If nobarrier makes a difference skipping it is not safe. >>> I do not fully understand that sentence, what do you mean by "makes a >>> difference" and "skipping is not safe"? >> The rule of thumb is: if nobarrier makes your workload run faster you >> should not be using it, aka: don't use it. > OK, thanks for clarification. > Should the XFS FAQ be updated? > *http://xfs.org/index.php/XFS_FAQ#Q._Should_barriers_be_enabled_with_storage_which_has_a_persistent_write_cache.3F Yes, it should. I've made some edits, hopefully it's up to date and clear now. Thanks, -Eric _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs