On Wed, Jul 06, 2011 at 05:22:21PM +1000, Dave Chinner wrote: > Unless you have a good sized chunk of BBWC in front of your disks, > in which case internal logs are just as fast. In fact, internal logs > can are often faster in this case because an internal log on a 12 > disk RAID6 array can sink a whole log more bandwidth than an external > log on a 2-disk RAID0 mirror..... > > At least, that's what my hardware tells me. ;) Sure, a nice BBWC setup will give you good results. But it's generally much more expensive than a simple setup with a raid5 or 6 and a mirror for the log device. _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs