perfSONAR User Q&A and Other Discussion

[Loukik Kudarimoti <>]

Hi Giovanni,

This problem is not new. I am copying Jason and perfsonar-user list to 
see if we can come up with a quick solution. We hope to help you out 
with a solution soon.

Loukik.

Giovanni Cesaroni wrote:
> Loukik Kudarimoti wrote:
> > Giovanni,
> >
> > Lets try to finger-point the problem.
> ok
> > a) RRD MA is working ok right? (tests are ok, perfSONAR UI shows data 
> > and all interfaces)
> RRD MA is not working properly:
>
> 1- tests results:
> $ ./test-ma.sh
> Query Test
> End point: 
> http://srv4.dir.garr.it:8080/axis/services/MeasurementArchiveService
> Request file: ../xml/MAQueryRequest.xml
> Response file: ../xml/MAQueryResponse.xml
> [#document: null]
> (the same for the other 3, also for test-ls)
>
> 2- during installation I got this error:
> mv: cannot stat `client/MA*': No such file or directory
> (the same for LS)
>
> 3-
> perfSONAR UI does not shows any data, but it says data retrieved.
> > b) LS installation is ok? (tests are ok?)
> > c) RRD MA registration with LS is *not ok*. Correct?
> Yes, I see it from this line of the log:
> ERROR - RRDTypeMAServiceLSRegistrationComponent: Error while 
> registration: [unknown]: PropertiesConfigurationComponent.getProperty: 
> Requested Param: service.ma.conf_filenot found
>
> > Loukik.
> >
> > Giovanni Cesaroni wrote:
> > > Hi,
> > > I forgot to say that it is still not working :-(
> > >
> > > Cheers,
> > > Giovanni
> > >
> > > Giovanni Cesaroni wrote:
> > > > Hi Vedrin,
> > > > comment in line
> > > >
> > > > Vedrin Jeliazkov wrote:
> > > > > Hi Giovanni,
> > > > >
> > > > > Giovanni Cesaroni 
> > > > > <>
> > > > >  wrote:
> > > > >
> > > > >  
> > > > > > Hi all,
> > > > > > thanks to all of you for the support.
> > > > > > I installed 2 tomcat with different ports.
> > > > > > But I have this problem:
> > > > > > 1- the UI tells me data retrieved without any error.
> > > > > > 2- in the sonar_error log of pS I found:
> > > > > >
> > > > > > 2006-10-04 13:19:59,535 ERROR - 
> > > > > > RRDTypeMAServiceLSRegistrationComponent: Error while 
> > > > > > registration: [unknown]: 
> > > > > > PropertiesConfigurationComponent.getProperty: Requested Param: 
> > > > > > service.ma.conf_filenot found     
> > > > >
> > > > > It looks like your service doesn't know where to find its RRD 
> > > > > description
> > > > > file. You've probably answered a question about its name & 
> > > > > location during the
> > > > > installation procedure. Please have a look at the following line 
> > > > > in your
> > > > > $PERFSONAR/conf/service.properties.ma file:
> > > > >
> > > > > service.ma.conf_file=
> > > > >   
> > > > This is properly defined :
> > > > service.ma.conf_file=/home/gins/PERFSONAR/perfSONAR-1.0/conf/rrd-database_GARR.xml 
> > > >
> > > > and the file exists and worked with the previous version.
> > > > > and ensure that the full path to your RRD description file is 
> > > > > present there.
> > > > > If you haven't created the RRD description file yet, then the 
> > > > > following
> > > > > instructions might be helpful:
> > > > >
> > > > > http://wiki.perfsonar.net/jra1-wiki/index.php/RRD_description_file
> > > > >
> > > > > Please note that if you're using perfSONAR-1.0, then these lines 
> > > > > in the RRD
> > > > > description file (valid for SVN versions)
> > > > >
> > > > >   
> > > > schema 1:
> > > > > <nmwg:parameters>
> > > > >     <nmwg:parameter 
> > > > > name="supportedEventType">utilization</nmwg:parameter>
> > > > >   </nmwg:parameters>
> > > > >
> > > > > should be replaced for all interfaces by
> > > > >   
> > > > schema 2:
> > > > > <nmwg:eventType>utilization</nmwg:eventType>
> > > > >   
> > > > I used the schema 2 for the the old version and it worked.
> > > > The schema 1 worked with the last snapshot version.
> > > > Now I changed again to the schema 2.
> > > >
> > > > I still have the problem.
> > > > This is the output of the log:
> > > >
> > > > 2006-10-04 18:38:54,716 DEBUG -
> > > > RRDTypeMAServiceLSRegistrationComponent:
> > > > register to LS 
> > > > [http://srv4.dir.garr.it:8081/axis/services/LookupService] with 
> > > > file [/home/gins/PERFSONAR/perfSONAR-1.0/conf/rrd-database_GARR.xml ]
> > > >
> > > > 2006-10-04 18:38:54,716  INFO -
> > > > GenericServiceLSRegistrator:
> > > > register to [http://srv4.dir.garr.it:8081/axis/services/LookupService]
> > > >
> > > > 2006-10-04 18:38:54,716 ERROR -
> > > > RRDTypeMAServiceLSRegistrationComponent:
> > > > Error while registration: [error.generic.xml_file_storage.fetch]: 
> > > > /home/gins/PERFSONAR/perfSONAR-1.0/conf/rrd-database_GARR.xml  (No 
> > > > such file or directory)
> > > >
> > > > Any idea?
> > > >
> > > > Best regards,
> > > > Giovanni
> > > >
> > > > > (valid for perfSONAR-1.0 or older versions).
> > > > >
> > > > > Best regards,
> > > > > Vedrin
> > > > >
> > > > > PS: PerfsonarUI's error reporting is rather limited yet and the 
> > > > > tool won't say
> > > > > anything when it receives an empty response from the service, as 
> > > > > in your case.
> > > > > Newer (SVN) versions of the RRD MA service also have better 
> > > > > support for error
> > > > > reporting.
> > > > >  
> > > > >  
> > > > > > A note on the installation:
> > > > > >
> > > > > > Do you want the MA to use an eXist database?[y/n]: n
> > > > > > Processing file 
> > > > > > /home/gins/PERFSONAR/perfSONAR-1.0/wsdd/ma-service-undeploy.wsdd
> > > > > > <Admin>Done processing</Admin>
> > > > > > Processing file 
> > > > > > /home/gins/PERFSONAR/perfSONAR-1.0/wsdd/ma-service-deploy.wsdd
> > > > > > <Admin>Done processing</Admin>
> > > > > > mv: cannot stat `client/MA*': No such file or directory
> > > > > >
> > > > > > and the same for client/LS
> > > > > >
> > > > > > What do you say ?
> > > > > >
> > > > > > Thank in advance,
> > > > > > Giovanni
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > Loukik Kudarimoti wrote:
> > > > > >  
> > > > > > > Hi Giovanni,
> > > > > > >
> > > > > > > Giovanni Cesaroni wrote:
> > > > > > >   
> > > > > > > > Hi Loukik,
> > > > > > > > I installed the latest snapshot version of the MA and it worked 
> > > > > > > > properly.
> > > > > > > > Now I installed the v1 with the perl installer but I have some 
> > > > > > > > problems.
> > > > > > > > I found in the wiki:
> > > > > > > > " Note the LS and the MA cannot share a tomcat installation."
> > > > > > > > What does it mean?
> > > > > > > > That I need 2 tomcat running or 2 tomcat instances?
> > > > > > > >         
> > > > > > > Yup. Unfortunately, that is the case with perfSONAR 1.0. We plan 
> > > > > > > to have this fixed with perfSONAR 1.1.
> > > > > > >
> > > > > > >   
> > > > > > > > In both cases could you give me some suggestions on how to do it?
> > > > > > > >         
> > > > > > > If you want to install both the services on the same machine, 
> > > > > > > you will currently need to install two instances of tomcat. 
> > > > > > > Please note that you will need to change the port numbers on at 
> > > > > > > least one instance of tomcat as tomcat's configuration by 
> > > > > > > default uses 8080 for listening to http request.
> > > > > > >
> > > > > > > Changing the port numbers is easy. On the second instance of 
> > > > > > > tomcat (or both, if you want to run them on a port different 
> > > > > > > from 8080), look for the following port numbers and change them.
> > > > > > >
> > > > > > > 8005 - tomcat shutdown port
> > > > > > > 8080 - tomcat listener port
> > > > > > > 8009 - tomcat ajp listener (you can simply comment out this 
> > > > > > > line. tomcat works fine without it).
> > > > > > >
> > > > > > > I have attached a presentation that Roman wrote and used for Lab 
> > > > > > > session for SEEREN2. Have a look at slide 8. It might help you. 
> > > > > > > Please make sure that you restart tomcat after you make changes 
> > > > > > > to server.xml.
> > > > > > >
> > > > > > > Once you have installed two instances, run the pS 1.0 
> > > > > > > installation script. When you are asked for tomcat locations, 
> > > > > > > provide separate locations for RRD MA and separate location of 
> > > > > > > LS. This should then work.
> > > > > > >
> > > > > > >   
> > > > > > > > Which is the differences between the snapshot version an the 
> > > > > > > > other one?
> > > > > > > >         
> > > > > > > Snapshot contains improvements which will be available in the 
> > > > > > > next release. Snapshot is suggested for early adopters of 
> > > > > > > improved pS software and for users of software (services such as 
> > > > > > > SQL MA) which are currently not available in the official release.
> > > > > > >
> > > > > > >   
> > > > > > > > Which version have you installed?
> > > > > > > >         
> > > > > > > Believe it or not, I am struggling to install perfSONAR 1.0 on a 
> > > > > > > solaris machine. We delivered a perfSONAR Lab session to SEEREN2 
> > > > > > > partners recently and while preparing for that lab, I must have 
> > > > > > > successfully installed 1.0 around 20 times :)
> > > > > > >
> > > > > > > pS 1.0 is the official version and I strongly recommend that you 
> > > > > > > install the official version.
> > > > > > >
> > > > > > > If you have more questions, you can contact me via IM 
> > > > > > > () or via skype (loukik_k)
> > > > > > >
> > > > > > > Loukik.
> > > > > > >   
> > > > > > > > Thank in advance,
> > > > > > > > Giovanni
> > > > > > > >
> > > > > > > >         
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >