On Thu, Dec 11, 2008 at 09:55:56PM -0700, Eric D. Mudama wrote: > On 12/11/08, Eric D. Mudama <edmudama@xxxxxxxxx> wrote: > > Out of curiosity, is write cache enabled or disabled on these devices? > > Oops, I just noticed the oflag=direct, that can have a huge > performance difference depending on the block size. > > What numbers are you getting without oflag=direct? Without the oflag=direct option, you're measuring the performance of the Linux page cache. That's not very interesting. -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
