perfSONAR User Q&A and Other Discussion

[Jason Tri Nguyen <>]

Thank you so much but run into another issue below. My Repos:
yum.repos.d]# ls -1
CentOS-Base.repo
epel.repo
epel-testing.repo
perfSONAR.repo

---> Package postgresql95-server.x86_64 0:9.5.3-2PGDG.rhel7 will be installed
--> Processing Dependency: postgresql95-libs(x86-64) =
9.5.3-2PGDG.rhel7 for package:
postgresql95-server-9.5.3-2PGDG.rhel7.x86_64
---> Package python-six.noarch 0:1.9.0-2.el7 will be installed
--> Finished Dependency Resolution
Error: Package: postgresql95-contrib-9.5.3-2PGDG.rhel7.x86_64 (perfSONAR)
           Requires: postgresql95-libs(x86-64) = 9.5.3-2PGDG.rhel7
           Installed: postgresql95-libs-9.5.21-1PGDG.rhel7.x86_64 (@pgdg95)
               postgresql95-libs(x86-64) = 9.5.21-1PGDG.rhel7
           Available: postgresql95-libs-9.5.3-2PGDG.rhel7.x86_64 (perfSONAR)
               postgresql95-libs(x86-64) = 9.5.3-2PGDG.rhel7
Error: Package: postgresql95-server-9.5.3-2PGDG.rhel7.x86_64 (perfSONAR)
           Requires: postgresql95-libs(x86-64) = 9.5.3-2PGDG.rhel7
           Installed: postgresql95-libs-9.5.21-1PGDG.rhel7.x86_64 (@pgdg95)
               postgresql95-libs(x86-64) = 9.5.21-1PGDG.rhel7
           Available: postgresql95-libs-9.5.3-2PGDG.rhel7.x86_64 (perfSONAR)
               postgresql95-libs(x86-64) = 9.5.3-2PGDG.rhel7
Error: Package: postgresql95-9.5.3-2PGDG.rhel7.x86_64 (perfSONAR)
           Requires: postgresql95-libs(x86-64) = 9.5.3-2PGDG.rhel7
           Installed: postgresql95-libs-9.5.21-1PGDG.rhel7.x86_64 (@pgdg95)
               postgresql95-libs(x86-64) = 9.5.21-1PGDG.rhel7
           Available: postgresql95-libs-9.5.3-2PGDG.rhel7.x86_64 (perfSONAR)
               postgresql95-libs(x86-64) = 9.5.3-2PGDG.rhel7
Error: Package: postgresql95-devel-9.5.3-2PGDG.rhel7.x86_64 (perfSONAR)
           Requires: postgresql95-libs(x86-64) = 9.5.3-2PGDG.rhel7
           Installed: postgresql95-libs-9.5.21-1PGDG.rhel7.x86_64 (@pgdg95)
              postgresql95-libs(x86-64) = 9.5.21-1PGDG.rhel7
           Available: postgresql95-libs-9.5.3-2PGDG.rhel7.x86_64 (perfSONAR)
               postgresql95-libs(x86-64) = 9.5.3-2PGDG.rhel7
 You could try using --skip-broken to work around the problem
 You could try running: rpm -Va --nofiles --nodigest

On Fri, Apr 10, 2020 at 7:00 PM Mark Feit <> wrote:
>
> Jason Tri Nguyen writes:
>
>     I recently installed Perfsonar tool kit via "yum install perfsonar
>     tool-kit" on centos 7 and seeing errors on screen related to
>     Pscheduler and Postgres. I also see psheduler status as not running on
>     web gui. I have not seen this before so this might be happening with
>     new release or something. Please advise. Thanks.
>
> The problem appears to be here:
>
>       Installing : python3-psycopg2-2.8.5-1.rhel7.x86_64
>
> The pScheduler RPMs call for a package that provides python-psycopg2 which, 
> on a CentOS 7 system, should be  provided by python2-psycopg2.  Your system 
> may have additional YUM repositories configured; if the python3-psycopg2 is 
> reporting itself as the provider for python-psycopg2, it's doing so in 
> error.  Running "yum whatprovides python-psycopg2" should give you a hint 
> about what repo is providing it.  On a CentOS 7 system installed according 
> to the directions, the packages should be provided by the base and 
> perfSONAR repositories.
>
> I'm unable to reproduce the problem on a minimal CentOS 7 (the Vagrant 
> centos/7 box) with these steps from the installation instructions:
>
>     yum -y install epel-release
>     yum -y install 
> http://software.internet2.edu/rpms/el7/x86_64/main/RPMS/perfSONAR-repo-0.9-1.noarch.rpm
>     yum -y clean all
>     yum -y install perfsonar-toolkit
>
> --Mark
>
>