it sounds tricky to me! But if some manufacturer inverts the partition order, that would be good for linux: usually windows is installed first and takes the best place on the drive, the penguin coming second. On Saturday 12 July 2003 05:20 pm, Gordon Henderson wrote: > On Sat, 12 Jul 2003, Michel Bellais wrote: > > You're right, I thought about it too, but the fastest array is built with > > partitions closer to the centre of the disk, so it should be the slowest > > indeed. > > The disks are big (180 Gb), the partitions represent less than 10% of it > > and follow each others. It cannot explain 30% difference in performance. > > > > I have created a third array on the disk, which is a copy of the slowest > > array. It has the same content. This last array shows much better > > performance than the original. And it is even closer to the centre... > > So i really don't understand. > > Just a thought: What if modern disk manufacturers write from the inside > out, rather than traditionally from the outside in? > > CD's are read from the inside out so we can have different size discs. > > Or maybe the hard disk manufacturers cottoned on to the fact that most > people would benchmark freshly partitioned disks hoping the file would be > at the "start" so they make it on the inside and get a better benchmark? > > Who knows! And I guess without taking one to bits to watch it work it's > going to be hard to find out... > > Gordon > > - > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
