On Thu, Sep 28, 2017 at 12:53:10PM +0200, Emmanuel Florac wrote: > Le Thu, 28 Sep 2017 12:36:39 +1300 > Ewen McNeill <xfs@xxxxxxxxxxxxxxxxxxx> écrivait: > > > I'm obviously not an expert in filesystem layout optimisation. But I > > have many years sysadmin experience dealing with lots of types of > > storage, and can write a couple of pages of text on the "background" > > bits next time I have a free moment. The more advanced tunables > > could remain "todo" until there's time for the perfect version... > > > > As you're at it, please mention the potential problems with 512e (512 > bytes blocks emulated) disks, which are the vast majority of shipped > disks nowadays. Doing RAID with these can lead to all sort of trouble > by worsening the read/modify/write problem. That's not a filesystem problem, though. Answering questions like "what is the optimal device sector size for RAID on some random storage hardware" is quite a long way outside the scope the filesystem configuration guidelines.... Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
