Netflow Nfsen Server Hardware

Christopher Morrow morrowc.lists at gmail.com
Thu Jan 17 16:19:38 UTC 2013


On Thu, Jan 17, 2013 at 11:16 AM, Joe Loiacono <jloiacon at csc.com> wrote:
> christopher.morrow at gmail.com wrote on 01/17/2013 11:01:06 AM:
>
>> From: Christopher Morrow <morrowc.lists at gmail.com>
>> To: Joe Loiacono/USA/CSC at CSC
>> Cc: Tim Calvin <tcalvin at tlsn.net>, "nanog at nanog.org" <nanog at nanog.org>
>> Date: 01/17/2013 11:01 AM
>> Subject: Re: Netflow Nfsen Server Hardware
>> Sent by: christopher.morrow at gmail.com
>>
>> On Thu, Jan 17, 2013 at 9:05 AM, Joe Loiacono <jloiacon at csc.com> wrote:
>> > Tim Calvin <tcalvin at 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.



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