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Re: [perfsonar-user] NTP errors when running bwctl, and iperf3 times out


Chronological Thread 
  • From: Andrew Lake <>
  • To: Szymon Trocha <>, "Merzouki, Mheni (IntlAssoc)" <>
  • Cc: "" <>
  • Subject: Re: [perfsonar-user] NTP errors when running bwctl, and iperf3 times out
  • Date: Fri, 30 Nov 2018 09:47:17 -0500
  • Ironport-phdr: 9a23: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

Hi,

Is DNS configured properly on your host? Try running “host perfsonar.net” to see if you get a result. That would potentially explain all your issue including the NTP synchronization. Also be sure to check the firewalls as Szymon indicated.

Thanks,
Andy


On November 29, 2018 at 2:36:55 PM, Szymon Trocha () wrote:

W dniu 29.11.2018 o 18:28, Merzouki, Mheni (IntlAssoc) pisze:

Hi,

Thank you for your response

 

I have another machine that is running an iperf3 server, and when I run pscheduler with that machine the task gets submitted but it has a hard time getting the results

user@machine1:~$ pscheduler task  throughput --dest A.B.C.D (iperf3 server address)

Submitting task...

Task URL:

https://localhost/pscheduler/tasks/0e640e37-192d-4eb6-a8b5-c5a8511b3795

Running with tool 'iperf3'

Fetching first run...

 

Next scheduled run:

https://localhost/pscheduler/tasks/0e640e37-192d-4eb6-a8b5-c5a8511b3795/runs/ba19e735-b368-4539-878c-acbc6cbd98c5

Starts 2018-11-29T11:53:10-05:00 (~8 seconds)

Ends   2018-11-29T11:53:29-05:00 (~18 seconds)

Waiting for result...

 

Problem fetching results: Resource Not found.

 

No further runs scheduled.

 

But I’m more interested in running a test with a remote host, so I tried with the example that worked for you, and it looks like it can’t find the tools

                user@machine1:~$ pscheduler task  throughput --dest wash-pt1.es.net

Submitting task...

Unable to post task: Error getting tools from wash-pt1.es.net: Request timed out

The 'pscheduler troubleshoot' command may be of use in problem

diagnosis. 'pscheduler troubleshoot --help' for more information.

 

And this is what troubleshooting outputs

user@machine1:~$ pscheduler troubleshoot  wash-pt1.es.net

Performing basic troubleshooting of localhost and wash-pt1.es.net.

 

localhost:

 

  Checking path MTU... Unsafe or unknown: Found only one MTU in trace to localhost

  Checking for pScheduler... OK.

  Checking clock... Unsynchronized  (See check against wash-pt1.es.net)

  Idle test.... 13 seconds.... Checking archiving... OK.

 

wash-pt1.es.net:

 

  Checking path MTU... 1500+

  Checking for pScheduler... Failed.

Request timed out

 

is this a synchronization problem? Do I need to make wash-pt1.es.net my NTP server?

-

Hi,

Synchronization is definitely worth checking (ntpq -p) but I have doubts about you host or network firewall which may not permit perfSONAR traffic so the requests time out. This may also be the reason for NTP not synchronising as it cannot connect to NTP servers.

Please verify http://docs.perfsonar.net/manage_security.html

And also what type of installation do you have? Full latest toolkit or one of the bundles?

Regards

--
Szymon Trocha
Poznań Supercomputing & Networking Center
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