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Re: System fault on Server <-- Client link detection


Chronological Thread 
  • From: Jiann-Ming Su <>
  • To: Richard Carlson <>
  • Cc:
  • Subject: Re: System fault on Server <-- Client link detection
  • Date: Thu, 25 Mar 2010 14:13:16 -0400
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Does the NDT server send the results back on port 3001?

On Mon, Mar 22, 2010 at 5:51 PM, Richard Carlson
<>
wrote:
> The short answer is no, the client does not require the web100 kernel mods,
> just the server.
>
> I am in the process of fixing bugs in the NDT server code.  At one point I
> put in some code to cal the alarm() function at various points.  The goal
> was to terminate a dead client early instead of waiting until the test
> period ended.  Unfortunately some of these timers are going off while the
> test is still in progress, and this is causing grief.  One way to tell if
> this is the problem is to look in the /usr/local/ndt/web100srv.log file and
> see if you are getting SIGALRM messages.  If so, then this is the problem.
>
> The next release should fix these problems.
>
> Rich
>
> On 3/22/2010 5:03 PM,
>
> wrote:
>>
>> I'm running into the "Receiving results..." hang on various hosts.  I'm
>> running 3.6.1.  It's able to do the C2S and S2C tests.  It indicates the
>> slowest link and that other network traffic is congesting the link.  Does
>> the client have to have the web100 kernel as well?
>>
>> The only client that isn't failing is my other test system that has a
>> web100 linux kernel.  The CLI and the java applet both work without
>> hanging.
>>
>> Thanks for any clarification.
>>
>
> --
> Richard Carlson
> DOE ASCR  --  SC-21.1 / GTN
> 1000 Independence Ave. SW
> Washington, DC   20585
> P: (301) 903-9486
>



--
Jiann-Ming Su
"I have to decide between two equally frightening options.
If I wanted to do that, I'd vote." --Duckman
"The system's broke, Hank. The election baby has peed in
the bath water. You got to throw 'em both out." --Dale Gribble
"Those who vote decide nothing.
Those who count the votes decide everything.” --Joseph Stalin



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