[Linux-PowerEdge] 10GbE for PE2900?

Sabuj Pattanayek sabujp at gmail.com
Tue Sep 24 21:22:03 CDT 2013


Note that 4x1gb != 4gbps (in practice) esp if you're doing lacp (802.3ad)
where you're not guaranteed that all clients will hash evenly to each of
the 1gbps links.


On Tue, Sep 24, 2013 at 7:54 PM, Matt Taylor <mtaylor at mty.net.au> wrote:

>  Do you absolutely need 10GbE?
>
> Could you get away with 4Gbit?
>
> A simple 4x1GB PCI-E card is a lot cheaper than what you're looking for,
> it's also quite easy to setup LACP on CentOS.
>
> Regards,
> Matt Taylor.
>
> On 25/09/13 6:40 AM, Sabuj Pattanayek wrote:
>
>
>> which is PCI-e gen 2. If you think I am wasting my time outfitting such an
>> old machine as a PE2900 with 10GbE, please say so!
>>
>>
>  But yes, for anything that needs serious uptime I wouldn't recommend it
> unless you have spare hardware (e.g. power supplies, motherboards, etc) on
> hand. We're using the PE2950 for testing TSM to tape backups and will
> replace it with a 5yr 4/hr warrantied R720 once we know that TSM will work
> :) ..
>
>
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