perfSONAR User Q&A and Other Discussion

[Alex Montaño <>]

Hi Aaron -

The far side node was "hosed". A reboot and all is well....

turq-perfs2 log]# bwctl -c 204.121.65.121 -v  -t 20  -f g
Messages being sent to syslog(user,err)
bwctl: Using 204.121.65.117 as the address for local sender
bwctl: Using 204.121.65.121 as the address for remote receiver
bwctl: Available in-common: iperf nuttcp
bwctl: Using tool: iperf
bwctl: Server '204.121.65.121' accepted test request at time 
1408626922.479002
bwctl: Client 'localhost' accepted test request at time 1408626922.479002
bwctl: 28 seconds until test results available

RECEIVER START
bwctl: exec_line: iperf -B 204.121.65.121 -s -f g -m -p 5001 -t 20
bwctl: start_tool: 3617615719.670021
------------------------------------------------------------
Server listening on TCP port 5001
Binding to local address 204.121.65.121
TCP window size: 0.00 GByte (default)
------------------------------------------------------------
[ 15] local 204.121.65.121 port 5001 connected with 204.121.65.117 port 
40566
[ ID] Interval       Transfer     Bandwidth
[ 15]  0.0-19.2 sec  15.6 GBytes  7.01 Gbits/sec
[ 15] MSS size 1448 bytes (MTU 1500 bytes, ethernet)
bwctl: stop_exec: 3617615745.291321

RECEIVER END


Thanks for the help...

Alex

On 8/20/14 9:34 AM, Aaron Brown wrote:
> Hey Alex,
>
> I don’t see anything specific in the logs. Is it possible to get the logs on 
> the far side (i.e. 204.121.65.121)? If not, could you try running to 
> desk146.internet2.edu?
>
> Cheers,
> Aaron
>
> On Aug 20, 2014, at 11:27 AM, Alex Montaño 
> <>
>  wrote:
>
> > Hi Aaron -
> >
> > Attach is the /var/log/messages.
> >
> > And here is the output with -v flag.
> >
> > turq-perfs2 net]# bwctl -c 204.121.65.121 -v  -t 20  -f g
> > Messages being sent to syslog(user,err)
> > bwctl: Using 204.121.65.117 as the address for local sender
> > bwctl: Using 204.121.65.121 as the address for remote receiver
> > bwctl: Available in-common: iperf nuttcp
> > bwctl: Using tool: iperf
> > bwctl: Server '204.121.65.121' accepted test request at time 1408547741.431900
> > bwctl: Client 'localhost' accepted test request at time 1408547741.431900
> > bwctl: BWLStartSessions: Failed
> > turq-perfs2 net]#
> >
> > Thanks for the help,
> > Alex
> >
> > On 8/19/14 8:19 AM, Aaron Brown wrote:
> > > Hey Alex,
> > >
> > > On Aug 18, 2014, at 6:01 PM, Alex Montaño 
> > > <>
> > >  wrote:
> > >
> > > > Hi Aaron -
> > > >
> > > > That seemed to work... Creating the 'bwctl' user and group. However, when I 
> > > > try to run the bwctl test to the 'CD' perfsonar node. I get the following 
> > > > message:
> > > >
> > > > [root@turq-perfs2
> > > >  bwctld]# bwctl -c 204.121.65.121  -t 20  -f g
> > > > bwctl: Using tool: iperf
> > > > bwctl: BWLStartSessions: Failed
> > > Strange. Could you send /var/log/messages from the node? Also, could you send 
> > > try running the above with the “-v” argument as well and send that to us?
> > >
> > > Cheers,
> > > Aaron
> > >
> > > > Thanks
> > > > Alex
> > > >
> > > >
> > > > On 8/18/14 11:25 AM, Aaron Brown wrote:
> > > > > Hey Alex,
> > > > >
> > > > > The bwctl RPM creates a ‘bwctl’ user, and group. The RPMs then expect to 
> > > > > start up as those users. I’m not sure why they weren’t created when the RPM 
> > > > > was installed, but if you run the following as root, it should create the 
> > > > > bwctl user:
> > > > >
> > > > > /usr/sbin/useradd -r -s /bin/nologin -d /tmp bwctl
> > > > >
> > > > > Cheers,
> > > > > Aaron
> > > > >
> > > > > On Aug 18, 2014, at 1:19 PM, Alex Montaño 
> > > > > <>
> > > > >  wrote:
> > > > >
> > > > > > Hi -
> > > > > >
> > > > > > I currently have a system running perfsonar off a CD. Which is working fine. 
> > > > > > However, due to internal policies and configuration management procedures, I 
> > > > > > need to build (kickstart) a new system with the necessary images.
> > > > > >
> > > > > > So, I have just installed the the bwctl rpm on a system with RHEL6. All  
> > > > > > libraries and dependecies were installed. All looks good. However, when I try 
> > > > > > to start the bwctl processes (which i copied from the CD system) I get the 
> > > > > > following messages.
> > > > > >
> > > > > > [hpcnet@turq-perfs2
> > > > > >  ~]# /usr/bin/bwctld -c /etc/bwctld -R /var/run
> > > > > > bwctld[46656]: FILE=tools.c, LINE=453, Compiled-in tools: iperf nuttcp iperf3 
> > > > > > ping traceroute tracepath owamp
> > > > > > bwctld[46656]: FILE=owamp.c, LINE=74, OwampAvailable(): owamp_cmd unset, using 
> > > > > > "owping"
> > > > > > bwctld[46656]: FILE=owamp.c, LINE=84, OwampAvailable(): owamp_server_cmd unset, using 
> > > > > > "owampd"
> > > > > > bwctld[46656]: FILE=tracepath.c, LINE=72, TracepathAvailable(): tracepath_cmd unset, 
> > > > > > using "tracepath"
> > > > > > bwctld[46656]: FILE=tracepath.c, LINE=82, TracepathAvailable(): tracepath6_cmd unset, 
> > > > > > using "tracepath6"
> > > > > > bwctld[46656]: FILE=traceroute.c, LINE=72, TracerouteAvailable(): traceroute_cmd unset, 
> > > > > > using "traceroute"
> > > > > > bwctld[46656]: FILE=traceroute.c, LINE=82, TracerouteAvailable(): traceroute6_cmd 
> > > > > > unset, using "traceroute6"
> > > > > > bwctld[46656]: FILE=ping.c, LINE=72, PingAvailable(): ping_cmd unset, using 
> > > > > > "ping"
> > > > > > bwctld[46656]: FILE=ping.c, LINE=82, PingAvailable(): ping6_cmd unset, using 
> > > > > > "ping6"
> > > > > > bwctld[46656]: FILE=iperf.c, LINE=67, IperfAvailable(): iperf_cmd unset, using 
> > > > > > "iperf"
> > > > > > bwctld[46656]: FILE=nuttcp.c, LINE=77, NuttcpAvailable(): nuttcp_cmd unset, using 
> > > > > > "nuttcp"
> > > > > > bwctld[46656]: FILE=tools.c, LINE=484, Available tools: iperf nuttcp iperf3 
> > > > > > ping traceroute tracepath owamp
> > > > > > bwctld[46656]: FILE=bwctld.c, LINE=2404, Invalid user/-U option: bwctl
> > > > > >
> > > > > > Any ideas?
> > > > > >
> > > > > > Thanks in advance,
> > > > > > Alex
> > <perfs2-log-messages.txt>