What are you doing for home NAS?

[Jerry Feldman]

On 01/03/2014 10:22 AM, Tom Buskey wrote:
>
>
>
> On Fri, Jan 3, 2014 at 9:35 AM, Jerry Feldman <gaf at blu.org
> <mailto:gaf at blu.org>> wrote:
>
>     On 01/02/2014 01:00 PM, Tom Buskey wrote:
>     >
>     > I've used a Netgear ReadyNAS and a Buffalo TerraStation at work.
>      They
>     > couldn't keep up with gigabit ethernet to deliver > 40 MB/s
>     because of
>     > the ARM.
>
>
> I should add that this was the 1st version of the ReadyNAS (NV4?),
> just after it was purchased by Netgear.
>  
>
>     The ReadyNAS 3100 uses an Intel multicore processor not an ARM
>     processor. At work we had a 1Gb LAN and the 2 ethernet ports on the
>     ReadyNAS were bound to 1 IP address. We got much better throughput
>     than
>     we did previously with out 4CPU/2 core Intel whitebox with
>     non-RAID SCSI
>
>
> Good to know.
>  
>
>     drives. But, your advice to look at CPU speeds is very good advice.
>
>
> For rules of thumb:
>
> Gigabit ethernet is ~ 60 MB/s.  I've measured up to 100 MB/s on a high
> end system.  I've seen a Windows 7 system do NFS at 50 MB/s, but 40
> MB/s is more typical.
>
> A hard drive is usually ~ 60 MB/s after you saturate the cache ram.
>
> USB 2.0 is ~ 30 MB/s.
Essentially the ReadyNAS product line includes rack mount systems like
the 3100 that are relatively high performance, and the desktop systems
that might be slower. The NV series uses an IT3107 storage processor.

-- 
Jerry Feldman <gaf at blu.org>
Boston Linux and Unix
PGP key id:3BC1EB90 
PGP Key fingerprint: 49E2 C52A FC5A A31F 8D66  C0AF 7CEA 30FC 3BC1 EB90

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