RE: Optimizing disk i/o performance

2010-07-13 Thread Richard Andrews
Thanks John, I'll give it a try and see what comes of it. Richard Andrews Systems Administrator - IT Operations Pelmorex Media Inc. > -Original Message- > From: linux-poweredge-boun...@dell.com [mailto:linux-poweredge- > boun...@dell.com] On Behalf Of linux-poweredge-re

Optimizing disk i/o performance

2010-07-13 Thread Richard Andrews
/dev/sda) Currently the default values for CentOS are 128 and 256 respectively. I understand that increasing nr_requests will have a memory usage impact and changing the readahead parameters may have a memory usage impact. Regards, Richard Andrews Pelmorex Medi