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Multicast problem

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FOG Problems
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  • I
    igorpa2
    last edited by Jun 20, 2018, 7:31 PM

    Hello, i have a problem multicasting the image in my network computers, i’´m using the 1.5.4 version. I have tested multicast in 1.5.2 version im my virtual machine(ZenServer) and worked fine in the first time i tested, but now, in this new version with clean install, i have this issue. When i start the image multicast process, the task start, but some seconds later, the taks just magically disappear from the tasks management. Opening the log viewer, i see this:

    [06-20-18 4:19:11 pm] * No tasks found!
    [06-20-18 4:19:22 pm] | Task (15) test1 is new!
    [06-20-18 4:19:22 pm] | Task (15) /images/Laboratorio-2-Teste image file found.
    [06-20-18 4:19:22 pm] | Task (15) test1 5 clients found.
    [06-20-18 4:19:22 pm] | Task (15) test1 sending on base port: 60540.
    [06-20-18 4:19:22 pm] | Command: /usr/local/sbin/udp-sender --interface eth1 --min-receivers 5 --max-wait 720 --mcast-data-address 172.16.0.9 --portbase 60540 --full-duplex --ttl 32 --nokbd --nopointopoint --file /images/Laboratorio-2-Teste/d1p1.img;/usr/local/sbin/udp-sender --interface eth1 --min-receivers 5 --max-wait 10 --mcast-data-address 172.16.0.9 --portbase 60540 --full-duplex --ttl 32 --nokbd --nopointopoint --file /images/Laboratorio-2-Teste/d1p2.img;
    [06-20-18 4:19:22 pm] | Task (15) test1 has started!
    [06-20-18 4:19:31 pm] | Cleaning 1 task as they have been removed
    [06-20-18 4:19:31 pm] | Task (15) test1 is being cleaned.
    [06-20-18 4:19:31 pm] | Task (15) test1 has been completed.
    [06-20-18 4:19:32 pm] * No tasks found!
    [06-20-18 4:19:42 pm] * No tasks found!

    0_1529522791678_fogg.png

    What is going on ? I really don’t know why Fog is doing this.
    Note: The clients don’t enter in the multicast session, that’s have no time for doing this, because the task start and a few seconds later(less than 10 seconds or 5)the tasks ends.

    Can anyone help me with this, i have really sad with this 😞

    Thanks

    1 Reply Last reply Reply Quote 0
    • I
      igorpa2
      last edited by Jul 3, 2018, 6:21 PM

      In our 2 machines of test, it seems now WORK the multicast!!! :DDDDDD

      Now, when our Computing Laboratory don´t have class(probably on Thursday), we will really use and test if the MULTICAST will now work full correctly! 🙂

      Thanks for the help @Tom-Elliott and I believe that this week I will give feedback on how everything happened and worked as expected.

      Very excited with this! \o/ 😄

      1 Reply Last reply Reply Quote 0
      • S
        Sebastian Roth Moderator
        last edited by Jun 20, 2018, 8:44 PM

        @igorpa2 Can you please check if udp-sender is still running after the task is gone. Please run ps aux | grep sender and post output here.

        Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

        Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

        1 Reply Last reply Reply Quote 0
        • I
          igorpa2
          last edited by igorpa2 Jun 20, 2018, 4:36 PM Jun 20, 2018, 8:49 PM

          @Sebastian-Roth
          Before send the Multicast image task.

          0_1529527709026_fogg1.PNG

          And After send the imagem Multicast task gone.

          0_1529527761202_fogg2.PNG

          1 Reply Last reply Reply Quote 0
          • T
            Tom Elliott
            last edited by Jun 20, 2018, 11:44 PM

            This is a known issue with 1.5.4, and some versions earlier. Mind installing the working branch?

            The only change that’s there waiting for more input is exactly about multicast session, among all multicast tasks, being fixed. I hear it may not be perfect, but I’m unable to replicate the issue. You can’t have two multicast sessions of the same exact name running at the same time. (I think this is where the issue was, somebody started a second task with the same name as an already running task.)

            If you need help getting the working branch, please look here: https://wiki.fogproject.org/wiki/index.php?title=Getting_FOG#Getting_FOG

            Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

            Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

            Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

            I 1 Reply Last reply Jun 20, 2018, 11:52 PM Reply Quote 0
            • I
              igorpa2 @Tom Elliott
              last edited by igorpa2 Jun 20, 2018, 5:59 PM Jun 20, 2018, 11:52 PM

              @tom-elliott said in Multicast problem:

              This is a known issue with 1.5.4, and some versions earlier. Mind installing the working branch?

              The only change that’s there waiting for more input is exactly about multicast session, among all multicast tasks, being fixed. I hear it may not be perfect, but I’m unable to replicate the issue. You can’t have two multicast sessions of the same exact name running at the same time. (I think this is where the issue was, somebody started a second task with the same name as an already running task.)

              If you need help getting the working branch, please look here: https://wiki.fogproject.org/wiki/index.php?title=Getting_FOG#Getting_FOG

              @Tom-Elliott Yes, we are using in our work. But, we are 3 peoples and just me and my supervisor use the program. We use together and start just one task. Should we wait for a new version of Fog to come out, or is there still something to be done?

              We are going to install this working bench tomorrow and test this.

              Thanks!!

              1 Reply Last reply Reply Quote 0
              • I
                igorpa2
                last edited by Jul 3, 2018, 5:31 PM

                Just to do a feedback with the tests with WORKING branch, the multicast now show and continues showing after creating him, but for some reason, after the machines starting the imaging progress, the image don´t start freezing in the initial screen of the “partclone”. I see the multicast doesn’t stop after the timout configured, and the machines doens’t start the image. I tested in our LAN network and in our VLAN network and same have ocurred.

                Best regard, Igor.

                T 1 Reply Last reply Jul 3, 2018, 5:38 PM Reply Quote 0
                • T
                  Tom Elliott @igorpa2
                  last edited by Jul 3, 2018, 5:38 PM

                  @igorpa2 Please edit FOG Configuration Page->FOG Settings->Multicast Settings->Rendezvous, set the field with the IP of your fog server.

                  Restart the FOGMulticastManager service with: systemctl restart FOGMulticastManager, then restart the machines you’re attempting to multicast too.

                  If multicast is allowed on your network, this should ensure all machines are looking at exactly the same point for recieving their data, otherwise it’s trying to go off the default multicast broadcast address, of, I think, 224.0.0.1, which if you have many switches may not like distributing across the whole network.

                  Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

                  Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

                  Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

                  1 Reply Last reply Reply Quote 0
                  • I
                    igorpa2
                    last edited by Jul 3, 2018, 6:21 PM

                    In our 2 machines of test, it seems now WORK the multicast!!! :DDDDDD

                    Now, when our Computing Laboratory don´t have class(probably on Thursday), we will really use and test if the MULTICAST will now work full correctly! 🙂

                    Thanks for the help @Tom-Elliott and I believe that this week I will give feedback on how everything happened and worked as expected.

                    Very excited with this! \o/ 😄

                    1 Reply Last reply Reply Quote 0
                    • I
                      igorpa2
                      last edited by igorpa2 Jul 10, 2018, 2:08 PM Jul 10, 2018, 8:05 PM

                      Hello guys, here again returning for feedback.

                      The multicast worked fine!! very good. Thanks for all devs and people who help us. Thanks!

                      Now, as said in the first topic, i´m very happy with this and thinking of doing my course completion work(TCC in portuguese) of University graduate about the use of FOGServer in computers lab.

                      1 Reply Last reply Reply Quote 2
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