Re: how to increase through put of LAN to 1GB
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.
> 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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