perfSONAR User Q&A and Other Discussion

["Bigrow, John F" <>]

Hi Gents

I sent rich the gzipped logs from both BNL machines


 

John F. Bigrow

Brookhaven National Laboratory


 (631)344-2648

 


-----Original Message-----
From: Richard Carlson 
[mailto:]
 
Sent: Wednesday, February 25, 2009 2:21 PM
To: Jeff W. Boote
Cc: Aaron Brown; Bigrow, John F; Shawn McKee;

Subject: Re: [perfsonar-user] Still looking at pS-SB scheduled BWCTL
tests

Jeff;

These are the log files form the receiving side.  The pS-SB is running  
on the BNL node.

John, would you please create a tarball of the /var/log dir on lhcmon  
and email/post it on a URL?
Thanks.

Rich

On Feb 25, 2009, at 12:32 PM, Jeff W. Boote wrote:

> Rich - in looking at that log dir, I don't see any of the regularly  
> scheduled tests... Only some on-demand ones. These logs don't seem  
> to match the data you describe below... where are you seeing this  
> data?
>
> jeff
>
> On Feb 25, 2009, at 10:21 AM, Richard Carlson wrote:
>
>> Hi Aaron;
>>
>> Charles created a tarball with a complete dump from the /var/log  
>> directory on the UC machine.  Unfortunately I can't tell what is  
>> causing the tests to fail.  I can see requests coming in from the  
>> BNL node, but nothing jumps out at me as to why the test failed.   
>> What should we be looking for?  (I can also point you at the  
>> tarball if that would help).
>>
>> Rich
>>
>> On Feb 25, 2009, at 9:02 AM, Aaron Brown wrote:
>>
>>>
>>> On Feb 25, 2009, at 9:57 AM, Richard Carlson wrote:
>>>
>>>> Hi John;
>>>>
>>>> Thanks for the logs.  I see from the log extract that your server  
>>>> is running 15 sec tests.  However I see other 10 & 60 sec  
>>>> requests, so I'm assuming that the 10 sec tests are from people  
>>>> using the command line version (10 sec is the default test  
>>>> period) and some other servers are scheduling tests via the  
>>>> perfSONAR-Buoy interface on their machine.
>>>>
>>>> Here's what I see right now.  Testing to/from MSU is working, but  
>>>> we are loosing data.  The current graphs show 7 successful tests  
>>>> from MSU --> BNL starting at 1:47 am and ending at 8:27.  The  
>>>> 4:45 am test is missing.  The graphs also show 4 tests in the  
>>>> opposite direction missing 1, 3, & 6 am.
>>>>
>>>> I also see tests to/from OU with 4 tests from OU -> BNL at 1, 2,  
>>>> 7, & 9 am with 3 in the opposite direction at midnight, 1, & 7  
>>>> am.  The rest were unsuccessful.
>>>>
>>>> I did notice that you are testing to the psum01 node, which I  
>>>> think Shawn setup as the delay server so that's why none of those  
>>>> work.  I think you want to test to the psum02 node.
>>>>
>>>> I'm still wondering if your server is just trying to run too many  
>>>> tests (19 peers in your config) and I don't know how many other  
>>>> servers are requesting tests.  As I see it, we can try reducing  
>>>> the number of peers, or we can get the pS folks to help guide us  
>>>> on determining why some tests are failing and why some peers  
>>>> aren't responding at all.
>>>>
>>>> Jeff/Aaron, what log files should we be looking at to determine  
>>>> what is going on?
>>>
>>> I'd take a look in /var/log/messages, the output should be going  
>>> there.
>>>
>>> Cheers,
>>> Aaron
>>
>> Richard Carlson
>> 
>> 1000 Oakbrook Dr
>> Ann Arbor, MI  48104
>>
>> P: 734-352-7043
>> C: 630-251-4572
>>
>

Richard Carlson

1000 Oakbrook Dr
Ann Arbor, MI  48104

P: 734-352-7043
C: 630-251-4572