Re: Netflow Nfsen Server Hardware

[Pavel Kislinger <kislinger () kn vutbr cz>]

Better IO controller(H700) with his NVcache will make a great job.
Especially if you have more SAS disks and some SSD. For nfdump is much
better a big SAS array build from six or more 900GB SAS HDD in RAID 5
(10k 2.5'' disks are good for this task).

Pavel

On 17.1.2013 17:04, PC wrote:
> I agree here with Christopher; A SSD to handle the high IOPS requirements
> of real time data logging; combined with a scheduled transfer which can
> "move" the stored data in a linear large block copy operation to ordinary
> spindles, would be a cost effective hybrid solution.
>
> This of course is assuming the application can handle this separation of
> data; and I know nothing about Nfsen
>
>
> On Thu, Jan 17, 2013 at 9:01 AM, Christopher Morrow <morrowc.lists () gmail com
> > wrote:
> > On Thu, Jan 17, 2013 at 9:05 AM, Joe Loiacono <jloiacon () csc com> wrote:
> > > Tim Calvin <tcalvin () 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).