On Mon, Oct 8, 2012 at 3:44 PM, Claudio Freire <klaussfre...@gmail.com>wrote:
> On Mon, Oct 8, 2012 at 7:25 PM, Craig James <cja...@emolecules.com> wrote: > >> > But why? What have I overlooked? > >> > >> Do you have readahead properly set up on the new one? > > > > > > # blockdev --getra /dev/sdb1 > > 256 > > > It's probably this. 256 is way too low to saturate your I/O system. > Pump it up. I've found 8192 works nice for a system I have, 32000 I > guess could work too. > But again ... the two systems are identical. This can't explain it. Thanks, Craig
