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SubjectRe: Supermicro X8DTH-6: Only ~250MiB/s from RAID<->RAID over 10GbE?


On Sat, 5 Feb 2011, Stan Hoeppner wrote:

> Justin Piszcz put forth on 2/5/2011 7:08 PM:
>
>> Overall performance is good, but now I need to figure out how to tweak the
>> network and/or disk paths so I can achieve > 1Gbyte/sec, as the RAID-0s can
>> read and write > 1.2Gbyte/sec.
>>
>> Has anyone with 10GbE <-> 10GbE been able to transfer at or near line rate
>> with a single connection, or > 700MiB/s with multiple connections? Problem
>> I worry about with creating multiple connections between two machines it will
>> create contention within the RAID that is being read from..
>
> Are you trying to maximize this for the sake of maximizing it, or do you have an
> actual application or work flow process that needs to be able to transfer a
> single large file via NFS at >1 GB/s throughput?

Workflow process-

Migrate data from old/legacy RAID sets to new ones, possibly also
2TB->3TB, so the faster the transfer speed, the better.

Justin.



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