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FOG Problems
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  • B
    brian_
    last edited by Nov 6, 2012, 8:57 PM

    the error in the log is

    [11-06-12 12:45:54 pm] | [11-06-12 12:45:54 pm] Failed to connect to database server, will try again in next iteration.
    [11-06-12 12:46:04 pm] | [11-06-12 12:46:04 pm] Failed to connect to database server, will try again in next iteration.
    [11-06-12 12:46:14 pm] | [11-06-12 12:46:14 pm] Failed to connect to database server, will try again in next iteration.
    [11-06-12 12:46:24 pm] | [11-06-12 12:46:24 pm] Failed to connect to database server, will try again in next iteration.
    [11-06-12 12:46:34 pm] | [11-06-12 12:46:34 pm] Failed to connect to database server, will try again in next iteration.

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    • M
      maltobelli
      last edited by Nov 6, 2012, 9:06 PM

      Make sure the database username and password(MYSQL_PASSWORD) in /opt/fog/service/etc/config.php is the same as in /var/www/fog/commons/config.php.

      Then restart the Multicast service.
      [CODE]sudo /etc/init.d/FOGMulticastManager restart[/CODE]

      [url]http://www.fogproject.org/wiki/index.php/Multicasting[/url]
      has troubleshooting tips on the bottom of the page.

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      • B
        brian_
        last edited by Nov 7, 2012, 12:07 AM

        i’ve already done that. multiple times. when i get back to the computer i will post all the config setting.

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        • M
          maltobelli
          last edited by Nov 7, 2012, 5:26 PM

          Could you run the below code to verify PHP can connect to the server as it is specified in the config?

          [CODE]php -r “include(‘/opt/fog/service/etc/config.php’);mysql_connect(MYSQL_HOST,MYSQL_USERNAME,MYSQL_PASSWORD) or die('I could not connect! '.PHP_EOL); echo 'I connected successfully '.PHP_EOL;”[/CODE]

          If the config for MySQL is wrong it will display something like :

          [CODE]PHP Warning: mysql_connect(): Access denied for user ‘fog’@‘localhost’ (using password: YES) in Command line code on line 1
          I could not connect![/CODE]

          Otherwise it will just display [CODE] I connected successfully[/CODE]

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          • B
            brian_
            last edited by Nov 7, 2012, 6:38 PM

            root@T412-fogserver:/# php -r “include(‘/opt/fog/service/etc/config.php’);mysql_connect(MYSQL_HOST,MYSQL_USERNAME,MYSQL_PASSWORD) or die('I could not connect! '.PHP_EOL); echo 'I connected successfully '.PHP_EOL;”
            I connected successfully

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            • M
              maltobelli
              last edited by Nov 7, 2012, 10:19 PM

              Since you can get into the Web UI and start a task fine, does /opt/fog/service/etc/config.php has the same database name as /var/www/fog/commons/config.php?

              If so, that’s all i can think of for now.

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              • B
                brian_
                last edited by Nov 8, 2012, 7:09 PM

                had to reinstall and now he is whats happening.
                the php command listed above still works and completes successfully
                when i make a group and give it a multicast task it disappears in the task listings

                /opt/fog/service/etc/config.php
                define( “MYSQL_HOST”, “localhost” );
                define( “MYSQL_DATABASE”, “fog” );
                define( “MYSQL_USERNAME”, “root” );
                define( “MYSQL_PASSWORD”, “” );

                /var/www/fog/commons/config.php?
                define( “MYSQL_HOST”, “localhost” );
                define( “MYSQL_DATABASE”, “fog” );
                define( “MYSQL_USERNAME”, “root” );
                define( “MYSQL_PASSWORD”, “” );

                i will try the multicast by giving it the task while it’s waiting for one. that normally works.

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                • B
                  brian_
                  last edited by Nov 9, 2012, 3:54 PM

                  now that i have fixed the mysql password and the tftp password and i now get the “I could not connect!” doing the php command

                  root@T412-fogserver:/# php -r “include(‘/opt/fog/service/etc/config.php’);mysql_connect(MYSQL_HOST,MYSQL_USERNAME,MYSQL_PASSWORD) or die('I could not connect! '.PHP_EOL); echo 'I connected successfully '.PHP_EOL;”
                  PHP Warning: mysql_connect(): Lost connection to MySQL server at ‘reading initial communication packet’, system error: 111 in Command line code on line 1
                  I could not connect!

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                  • B
                    brian_
                    last edited by Nov 9, 2012, 3:55 PM

                    define( “MYSQL_HOST”, “localhost” );
                    define( “MYSQL_DATABASE”, “fog” );
                    define( “MYSQL_USERNAME”, “root” );
                    define( “MYSQL_PASSWORD”, “824561” );
                    define( “DB_TYPE”, “mysql” );
                    define( “DB_HOST”, MYSQL_HOST );
                    define( “DB_NAME”, MYSQL_DATABASE );
                    define( “DB_USERNAME”, MYSQL_USERNAME );
                    define( “DB_PASSWORD”, MYSQL_PASSWORD );

                    define( “UPDSENDERPATH”, “/usr/local/sbin/udp-sender” );
                    define( “MULTICASTLOGPATH”, “/opt/fog/log/multicast.log” );
                    define( “MULTICASTDEVICEOUTPUT”, “/dev/tty2” );
                    define( “MULTICASTSLEEPTIME”, 10 );
                    define( “MULTICASTINTERFACE”, “eth0” );
                    define( “UDPSENDER_MAXWAIT”, null );

                    define( “MYSQL_HOST”, “192.168.155.69” );
                    define( “MYSQL_DATABASE”, “fog” );
                    define( “MYSQL_USERNAME”, “root” );
                    define( “MYSQL_PASSWORD”, “824561” );

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                    • B
                      brian_
                      last edited by Nov 9, 2012, 4:06 PM

                      i tried changing the /etc/hosts

                      127.0.0.1 localhost
                      192.168.155.69 T412-fogserver

                      and still no luck

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                      • M
                        maltobelli
                        last edited by Nov 9, 2012, 4:27 PM

                        System error 111 is connection refused. Is your MySQL server configured to allow connections from IP’s other than 127.0.0.1? Does using define( “MYSQL_HOST”, “127.0.0.1” ); allow the PHP code to connect?

                        That IP should almost always be 127.0.0.1 or localhost, since each invidual client does not actually connect to the MySQL server themselves.

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                        • B
                          brian_
                          last edited by Nov 9, 2012, 4:50 PM

                          changed both configs back to 127.0.0.1 and i now get new messages in the multicast log file.

                          [CODE][11-09-12 8:49:20 am] * [11-09-12 8:49:20 am] I am the group manager.
                          [11-09-12 8:49:20 am] | [11-09-12 8:49:20 am] Task (4) multicast today test is new!
                          [11-09-12 8:49:20 am] | [11-09-12 8:49:20 am] Task (4) multicast today test image file found.
                          [11-09-12 8:49:20 am] | [11-09-12 8:49:20 am] Task (4) multicast today test 2 clients found.
                          [11-09-12 8:49:20 am] | [11-09-12 8:49:20 am] Task (4) multicast today test sending on base port: 63106
                          [11-09-12 8:49:20 am] CMD: gunzip -c “/images/win7dual2/d1p1.img” | /usr/local/sbin/udp-sender --min-receivers 2 --portbase 63106 --interface eth0 --half-duplex --ttl 32 --nokbd;gunzip -c “/images/win7dual2/d1p2.img” | /usr/local/sbin/udp-sender --min-receivers 2 --portbase 63106 --interface eth0 --half-duplex --ttl 32 --nokbd;gunzip -c “/images/win7dual2/d1p3.img” | /usr/local/sbin/udp-sender --min-receivers 2 --portbase 63106 --interface eth0 --half-duplex --ttl 32 --nokbd;
                          [11-09-12 8:49:25 am] | [11-09-12 8:49:25 am] Task (4) multicast today test failed to start!
                          [11-09-12 8:49:25 am] | * Don’t panic, check all your settings!
                          [11-09-12 8:49:25 am] | even if the interface is incorrect the task won’t start.
                          [11-09-12 8:49:25 am] | If all else fails run the following command and see what it says:
                          [11-09-12 8:49:25 am] | gunzip -c “/images/win7dual2/d1p1.img” | /usr/local/sbin/udp-sender --min-receivers 2 --portbase 63106 --interface eth0 --half-duplex --ttl 32 --nokbd;gunzip -c “/images/win7dual2/d1p2.img” | /usr/local/sbin/udp-sender --min-receivers 2 --portbase 63106 --interface eth0 --half-duplex --ttl 32 --nokbd;gunzip -c “/images/win7dual2/d1p3.img” | /usr/local/sbin/udp-sender --min-receivers 2 --portbase 63106 --interface eth0 --half-duplex --ttl 32 --nokbd;
                          [11-09-12 8:49:25 am] | [11-09-12 8:49:25 am] Task (4) multicast today test has been cleaned.
                          [11-09-12 8:49:35 am] * [11-09-12 8:49:35 am] Checking if I am the group manager.
                          [11-09-12 8:49:35 am] * [11-09-12 8:49:35 am] I am the group manager.
                          [11-09-12 8:49:45 am] * [11-09-12 8:49:45 am] Checking if I am the group manager.
                          [11-09-12 8:49:45 am] * [11-09-12 8:49:45 am] I am the group manager.
                          [11-09-12 8:49:55 am] * [11-09-12 8:49:55 am] Checking if I am the group manager.
                          [11-09-12 8:49:55 am] * [11-09-12 8:49:55 am] I am the group manager.
                          [11-09-12 8:50:05 am] * [11-09-12 8:50:05 am] Checking if I am the group manager.
                          [11-09-12 8:50:05 am] * [11-09-12 8:50:05 am] I am the group manager.[/CODE]

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                          • B
                            brian_
                            last edited by Nov 9, 2012, 4:51 PM

                            still does not work

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                            • M
                              maltobelli
                              last edited by Nov 9, 2012, 4:56 PM

                              if it isn’t working , could you also check the udpcast log , to see if clients are connecting successfully or not.

                              [CODE]tail -f /opt/fog/log/multicast.log.udpcast*[/CODE]

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                              • B
                                brian_
                                last edited by Nov 9, 2012, 4:59 PM

                                [CODE]root@T412-fogserver:/# tail -f /opt/fog/log/multicast.log.upcast*
                                tail: cannot open `/opt/fog/log/multicast.log.upcast*’ for reading: No such file or directory
                                tail: no files remaining[/CODE]

                                [CODE]root@T412-fogserver:/# tail -f /opt/fog/log/multicast.log
                                [11-09-12 8:57:51 am] * [11-09-12 8:57:51 am] Checking if I am the group manager.
                                [11-09-12 8:57:51 am] * [11-09-12 8:57:51 am] I am the group manager.
                                [11-09-12 8:58:01 am] * [11-09-12 8:58:01 am] Checking if I am the group manager.
                                [11-09-12 8:58:01 am] * [11-09-12 8:58:01 am] I am the group manager.
                                [11-09-12 8:58:11 am] * [11-09-12 8:58:11 am] Checking if I am the group manager.
                                [11-09-12 8:58:11 am] * [11-09-12 8:58:11 am] I am the group manager.
                                [11-09-12 8:58:21 am] * [11-09-12 8:58:21 am] Checking if I am the group manager.
                                [11-09-12 8:58:21 am] * [11-09-12 8:58:21 am] I am the group manager.
                                [11-09-12 8:58:31 am] * [11-09-12 8:58:31 am] Checking if I am the group manager.
                                [11-09-12 8:58:31 am] * [11-09-12 8:58:31 am] I am the group manager.
                                [/CODE]

                                [CODE]root@T412-fogserver:/# tail -f /opt/fog/log/multicast.log.upcast
                                tail: cannot open `/opt/fog/log/multicast.log.upcast’ for reading: No such file or directory
                                tail: no files remaining
                                [/CODE]

                                the machines i am testing on are still on the please wait screen

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                                • M
                                  maltobelli
                                  last edited by Nov 9, 2012, 5:09 PM

                                  You typed in upcast, it is supposed to be udpcast.
                                  [CODE]tail -f /opt/fog/log/multicast.log.udpcast*[/CODE]

                                  Post #13 suggests there is an issue starting UDPcast, Is eth0 the correct interface and is not disabled? Do you have SE Linux or a firewall running?

                                  Run this (taken from the multicast log in post #13)and see what error it gives you
                                  [CODE] gunzip -c “/images/win7dual2/d1p1.img” | /usr/local/sbin/udp-sender --min-receivers 2 --portbase 63106 --interface eth0 --half-duplex --ttl 32 --nokbd;gunzip -c “/images/win7dual2/d1p2.img” | /usr/local/sbin/udp-sender --min-receivers 2 --portbase 63106 --interface eth0 --half-duplex --ttl 32 --nokbd;gunzip -c “/images/win7dual2/d1p3.img” | /usr/local/sbin/udp-sender --min-receivers 2 --portbase 63106 --interface eth0 --half-duplex --ttl 32 --nokbd;[/CODE]

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                                  • B
                                    brian_
                                    last edited by Nov 9, 2012, 5:11 PM

                                    [CODE]root@T412-fogserver:/# tail -f /opt/fog/log/multicast.log.udpcast*
                                    tail: cannot open /opt/fog/log/multicast.log.udpcast*' for reading: No such file or directory tail: no files remaining root@T412-fogserver:/# tail -f /opt/fog/log/multicast.log.udpcast tail: cannot open /opt/fog/log/multicast.log.udpcast’ for reading: No such file or directory
                                    tail: no files remaining
                                    [/CODE]

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                                    • B
                                      brian_
                                      last edited by Nov 9, 2012, 5:13 PM

                                      the network cable was switched to the second nic which was eth1 it is now back to eth0

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                                      • B
                                        brian_
                                        last edited by Nov 9, 2012, 5:19 PM

                                        [CODE][11-09-12 9:18:10 am] * [11-09-12 9:18:10 am] I am the group manager.
                                        [11-09-12 9:18:10 am] | [11-09-12 9:18:10 am] Task (6) multicast today test is new!
                                        [11-09-12 9:18:10 am] | [11-09-12 9:18:10 am] Task (6) multicast today test image file found.
                                        [11-09-12 9:18:10 am] | [11-09-12 9:18:10 am] Task (6) multicast today test 2 clients found.
                                        [11-09-12 9:18:10 am] | [11-09-12 9:18:10 am] Task (6) multicast today test sending on base port: 63110
                                        [11-09-12 9:18:10 am] CMD: gunzip -c “/images/win7dual2/d1p1.img” | /usr/local/sbin/udp-sender --min-receivers 2 --portbase 63110 --interface eth0 --half-duplex --ttl 32 --nokbd;gunzip -c “/images/win7dual2/d1p2.img” | /usr/local/sbin/udp-sender --min-receivers 2 --portbase 63110 --interface eth0 --half-duplex --ttl 32 --nokbd;gunzip -c “/images/win7dual2/d1p3.img” | /usr/local/sbin/udp-sender --min-receivers 2 --portbase 63110 --interface eth0 --half-duplex --ttl 32 --nokbd;
                                        [11-09-12 9:18:15 am] | [11-09-12 9:18:15 am] Task (6) multicast today test has started.
                                        [11-09-12 9:18:25 am] * [11-09-12 9:18:25 am] Checking if I am the group manager.
                                        [11-09-12 9:18:25 am] * [11-09-12 9:18:25 am] I am the group manager.
                                        [11-09-12 9:18:35 am] * [11-09-12 9:18:35 am] Checking if I am the group manager.
                                        [11-09-12 9:18:35 am] * [11-09-12 9:18:35 am] I am the group manager.[/CODE]

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                                        • M
                                          maltobelli
                                          last edited by Nov 9, 2012, 5:21 PM

                                          Is it working successfully now?

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