On Thu, Jan 17, 2013 at 11:16 AM, Joe Loiacono <jloia...@csc.com> wrote: > christopher.mor...@gmail.com wrote on 01/17/2013 11:01:06 AM: > >> From: Christopher Morrow <morrowc.li...@gmail.com> >> To: Joe Loiacono/USA/CSC@CSC >> Cc: Tim Calvin <tcal...@tlsn.net>, "nanog@nanog.org" <nanog@nanog.org> >> Date: 01/17/2013 11:01 AM >> Subject: Re: Netflow Nfsen Server Hardware >> Sent by: christopher.mor...@gmail.com >> >> On Thu, Jan 17, 2013 at 9:05 AM, Joe Loiacono <jloia...@csc.com> wrote: >> > Tim Calvin <tcal...@tlsn.net> wrote on 01/16/2013 05:51:11 PM: >> > >> >> PowerEdge R610 - >> >> >> >> 2x Intel E5540, 2.53GHz Quad Core Processor >> >> >> >> 32GB RAM >> >> >> >> 2x 300gb 10k 2.5" SAS HDD >> > >> > Since netflow processing is generally I/O bound, you may want to invest >> > in >> > 15K drives. >> >> I had suggested off-list that perhaps primary storage as SSD was a >> better path, is there a reason to not do that? (with some larger >> storage on spinning-media for historical storage/query). > > Nope, great suggestion. Just a cost consideration ...
ah, ok... I figure that even if you were to put in 2 || 3 SSD drives in the 200gb range, one per controller, you'd get maximum throughput for a few days of data at not very much of a premium, then back up / near-line store the data longer term on spinning 2tb or so disks.