Re: how to increase through put of LAN to 1GB
On Fri, Jun 22, 2012 at 12:41 PM, Stan Hoeppner <stan@hardwarefreak.com> wrote:
> On 6/22/2012 2:22 AM, Muhammad Yousuf Khan wrote:
>> On Thu, Jun 21, 2012 at 9:45 PM, Stan Hoeppner <stan@hardwarefreak.com> wrote:
>>> On 6/21/2012 8:54 AM, Muhammad Yousuf Khan wrote:
>>>
>>>> Yes i am aware of the jumbo frame and played a bit with it in
>>>> openfiler thanks for reminding me that btw are you getting 600Mbps
>>>> with Jumbo frame?
>>>
>>> I don't use jumbo frames here because:
>>>
>>> 1. Not all the desktop NICs support it
>>> 2. No single host _needs_ maximum GbE throughput
>>> We don't do large single file transfers
>>> 3. The servers can hit wire speed doing parallel xfers
>>> without using jumbo frames
>>> 4. My SAN is fibre channel
>>>
>>> I have done testing with GbE and 9000 byte frames and the information I
>
>
>> With reference to the Bruno point. he says it could be the bottleneck
>> on HD end regardless of what size of ram or Processor are we using. so
>> my question is have you tested
>> this on RAID 1?
>
> Before you even progress to the things below, you must run iperf to
> obtain a maximum baseline performance. That is the measure of your TCP
> transmit/receive throughout. Then you know what you target maximum is
> when you tune these other things.
>
ok, i'll be back with the results. shortly
>> as i believe read right will highly effect the performance,
>>
>> Second question is have you tested this on common SATA drives?
>>
>> 3. are you using Linux iSCSI or other sharing methods like FTP, SAMBA
>> etc. and if yes then how reliable iSCSI could be since i have a bit
>> bad experience with openfiler and iSCSI connection with XP Clients. so
>> i want to ask your opinion.
>>
>> 4. and the test results that you have shown are only tests or you are
>> working on it in productions (you know reliability is also some thing
>> that i need to know as i am going to be trying this in production)
>>
>> 5. would you please share some details of you SAN BOX
>> like HARDWARE and OS level.
>
> Let's take things one step at a time, please.
>
> --
> Stan
>
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