[CentOS] 40TB File System Recommendations

Wed Apr 13 14:49:06 UTC 2011
Christopher Chan <christopher.chan at bradbury.edu.hk>

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.