On Wednesday, April 13, 2011 10:32 PM, Sorin Srbu wrote: >> -----Original Message----- >> From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On Behalf >> Of Christopher Chan >> Sent: Wednesday, April 13, 2011 3:45 PM >> To: centos at centos.org >> Subject: Re: [CentOS] 40TB File System Recommendations >> >> While we are at it, disks being directly connected to the raid card will >> mean there won't be bus contention from nics and what not whereas >> software raid 5/6 would have to deal with that. > > Could that really be an issue as well? What kind of traffic levels are we > speaking of now? Approximately? That is to say, in as much this can be > quantified at all. > > I've never really seen this problem. Oh yeah, we are on PCIe and NUMA architectures now. I guess this point no longer applies just like hardware raid being crap no longer applies because they are not underpowered i960/tiny cache boards anymore.