perfSONAR User Q&A and Other Discussion

["Curtis, Bruce" <>]

> On Apr 27, 2017, at 10:17 AM, Bill Owens 
> <>
>  wrote:
> 
> Bruce,
> 
> Do the tests work if you put an IPv4 numeric address in the host box, 
> instead of the name? I’ve run into what appears to be an issue with hosts 
> that have both A and AAAA records, even if they’re only selected for IPv4.
> 
> Bill.


I do have a test I set up a long time ago to bdw-uofm-fg.mrnet.mb.ca at 
192.139.69.54, 2001:410:2000::4 that is defined with just the IPv4 number and 
that continues to work.  However I’m not sure that bdw-uofm-fg.mrnet.mb.ca 
had an IPv6 address when I set up the test.

I see that 192.139.69.54 does not have a reverse DNS entry.

    <target>
        address   192.139.69.54
        <override_parameters>
            type   bwctl
            force_ipv4   1
        </override_parameters>
        description   MRnet, Winnipeg, MB, CA
    </target>

$ host 192.139.69.54
Host 54.69.139.192.in-addr.arpa. not found: 3(NXDOMAIN)


I added a new test for 131.243.246.66 ps-border1-pt.lbl.gov and that test has 
been added to /etc/perfsonar/meshconfig-agent-tasks.conf

 <target>
        address   131.243.246.66
        <override_parameters>
            type   bwctl
            force_ipv4   1
        </override_parameters>
        description   test LBL
    </target>

But the test results do not appear on the public dashboard.

131.243.246.66 does have a reverse DNS entry

 host 131.243.246.66
66.246.243.131.in-addr.arpa domain name pointer ps-border1-pt.lbl.gov.


> 
> On 4/24/17, 11:44 AM, 
> "
>  on behalf of Curtis, Bruce" 
> <
>  on behalf of 
> >
>  wrote:
> 
>    We have two perfsonar boxes and after the automatic upgrade to 4.0 some 
> graphs stopped updating.
> 
>    It looks like the common variable for the graphs that do not update is 
> that perfsonar lists the IPv6 address under the host name.
> 
>    I verified that I can run the throughput tests manually over IPv6 with 
> the pscheduler command.
> 
>    I do see lots of these error messages but haven’t verified that they are 
> related to the problem.
> 
>    Apr 23 04:12:41 perfsonar2 bwctld[28704]: FILE=sapi.c, LINE=391, 
> BWLControlAccept(): Unable to read ClientGreeting message
> 
>      These are our two hosts that exhibit the problem.
> 
>    https://perfsonar2.ndsu.nodak.edu
> 
>    https:perfsonar.ndsu.nodak.edu
> 
>     Deleting the tests and adding them back with IPv4 set does not seem to 
> result in working graphs either.
> 
> 
>    I also noticed the same problem on ps-border1-pt.lbl.gov to sites 
> nersc-pt1-v6.es.net and bost-pt1-v6.es.net  and sent email to the admin 
> there and received a reply that they will add it to their list of issues to 
> look into.
>> 
> 
>    ---
>    Bruce Curtis                         
> 
>    Certified NetAnalyst II                701-231-8527
>    North Dakota State University        
> 
> 
> 

---
Bruce Curtis                         

Certified NetAnalyst II                701-231-8527
North Dakota State University