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    (1.1.1) Multicast Hang - Starting to restore image (-)

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    FOG Problems
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    • Tom ElliottT
      Tom Elliott
      last edited by

      To further trouble shoot, if you run [code]ps -ef | grep udp-sender[/code] you should see the task running on the server. You can also verify the tasking for those systems are correct by going to : [url]http://IPOFFOGSERVER/fog/service/ipxe/boot.php?mac=XX:XX:XX:XX:XX:XX[/url]

      Change the IPOFFOGSERVER to the ip of the fog server. Change the XX:XX:XX:XX:XX:XX portion to the mac address of one of the clients you’ve tasked for this.

      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

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      • R
        RLane
        last edited by

        The machines are getting the tasks, but once to the multicast grey screen (same error as my OP), they hang. I did verify that they do have the task and I see that it’s running on the server itself. I tried with a single multicast host, 2, and upwards of 8. All booted into the grey screen and hung.

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        • Tom ElliottT
          Tom Elliott
          last edited by

          Is your network, by chance, blocking UDP packets? Do these run under unicast?

          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

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          • R
            RLane
            last edited by

            Runs great in unicast – I can actually multicast in a different building (connected to the same core) – with laptops. It worked well with 3 different laptop models. HP ProBook 4520s, 30s and 40s and multicast great. It’s just these desktops that hang. Network isn’t blocking any of the UDP packets.

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            • Tom ElliottT
              Tom Elliott
              last edited by

              And unicast works on these desktops? I don’t know why they’re not getting the data you need. Also, as I stated, it says you have 2 hosts, are both of the hosts on and hanging or are you testing with one? I know these sound like silly questions, but I’m not there so I hope you understand.

              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

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              • R
                RLane
                last edited by

                Yep – I first made a multicast group of 5 machines. I rebooted those five, network booted them and they went right into the grey screen. I waited a good 10 minutes and they just sat there. Online, it says they were “in progress” but that’s only because it had technically ‘started’ the process (I’m assuming).

                From there, I went ahead and deleted the group. I remade a new group and added just two hosts. Both different hosts, same device types. Again, booted in just fine and sat on the grey screen. (This is the section of the log I C+P)

                I ended up having to do a group unicast which was significantly slower obviously for about 80 of them, so I know it worked that way. Multicast would just be nice to speed the process up to avoid congestion. Like you said, really odd. I have no clue why it would work on three laptop models but not a desktop. I figured if anything with all of the eth0 and eth1 wireless/NIC problems we had previously it would be the other way around. I appreciate the effort.

                • Restarted multicast services
                • Verified UDP status on server, everything looks fine. Permission is fine.
                • Rebooted.
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                • Tom ElliottT
                  Tom Elliott
                  last edited by

                  I really wish I could remote in and try help trouble shooting. And it seems to only affect these machines now right?

                  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

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                  • R
                    RLane
                    last edited by

                    We haven’t had to try any other desktops, yet. I can give it a shot after the long weekend. I did VPN in though to check the switch configurations. The only difference between the working environment in building A verse building B is that I have “[B]mls qos trust dscp” [/B]set on the ports. I highly doubt this has anything to do with it? Also - if you think of something, let me know and I can certainly try it Monday when I’m back to work. I could swing by there this weekend if needed. I’m also using your latest kernel for what it’s worth.[B][/B]

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                    • R
                      RLane
                      last edited by

                      I have upgraded to FOG 1.1.2 and also updated the kernel again. I’m having the same results in the building where multicast works on laptops. Would you happen to have any suggestions? Also, if you would like to look at the logging, please let me know specifically what log you would like and I’ll post it. Thank you

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                      • R
                        RLane
                        last edited by

                        After hours of troubleshooting, I really feel like a moron. We established the problem being a core switch/VLAN issue. Existing VLANs when I inherited the environment had ‘ip multicast-routing’ enabled - right… but when I added new VLANs, consequently the “Server” VLAN, I didn’t re-add ‘ip pim sparse-dense-mode’ and ‘ip cgmp’ commands to get the multicasts on the same broadcast. Disappointing I spent a good week on this but didn’t check it. Thanks Tom for the help – obviously not a FOG issue. Worked fantastic afterwards.

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                        • Tom ElliottT
                          Tom Elliott
                          last edited by

                          [quote=“RLane, post: 32372, member: 23505”]After hours of troubleshooting, I really feel like a moron. We established the problem being a core switch/VLAN issue. Existing VLANs when I inherited the environment had ‘ip multicast-routing’ enabled - right… but when I added new VLANs, consequently the “Server” VLAN, I didn’t re-add ‘ip pim sparse-dense-mode’ and ‘ip cgmp’ commands to get the multicasts on the same broadcast. Disappointing I spent a good week on this but didn’t check it. Thanks Tom for the help – obviously not a FOG issue. Worked fantastic afterwards.[/quote]

                          I tried saying it all, and I’m sorry I couldn’t help any further. I tried all of my knowledge and it felt/sounded like environment. I appreciate the feedback though thank you.

                          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

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