Unable to rename/join - Error multiple hosts returned for list of mac addresses



  • 10/13/2020 9:35 AM Client-Info Version: 0.11.16
    10/13/2020 9:35 AM Client-Info OS: Windows
    10/13/2020 9:35 AM Middleware::Authentication Waiting for authentication timeout to pass
    10/13/2020 9:37 AM Middleware::Communication Download: http://fogserver/fog/management/other/ssl/srvpublic.crt
    10/13/2020 9:37 AM Data::RSA FOG Server CA cert found
    10/13/2020 9:37 AM Middleware::Authentication Cert OK
    10/13/2020 9:37 AM Middleware::Authentication No token found at C:\Program Files (x86)\FOG\token.dat, this is expected if the client has not authenticated before
    10/13/2020 9:37 AM Middleware::Authentication ERROR: Could not get security token
    10/13/2020 9:37 AM Middleware::Authentication ERROR: Could not find file ‘C:\Program Files (x86)\FOG\token.dat’.
    10/13/2020 9:37 AM Middleware::Communication POST URL: http://fogserver/fog/management/index.php?sub=requestClientInfo&authorize&newService
    10/13/2020 9:37 AM Middleware::Response Error multiple hosts returned for list of mac addresses
    ...
    --------------------------------HostnameChanger-------------------------------
    
    10/13/2020 9:31 AM Client-Info Client Version: 0.11.16
    10/13/2020 9:31 AM Client-Info Client OS: Windows
    10/13/2020 9:31 AM Client-Info Server Version: 1.5.9
    10/13/2020 9:31 AM Middleware::Response ERROR: Unable to get subsection
    10/13/2020 9:31 AM Middleware::Response ERROR: Object reference not set to an instance of an object
    


  • @Sebastian-Roth I understand than I was racing my brain on this lol


  • Senior Developer

    @darkxeno You are welcome. I know it’s a bit of a hack to work through this and find that duplicate. Though it would need a lot of changes on the messages we send between FOG server and fog-client if we wanted to print out the names of those machines using the same MAC right in the fog.log…



  • @Sebastian-Roth That worked thanks man I owe you a beer!!!


  • Senior Developer

    @darkxeno said in Unable to rename/join - Error multiple hosts returned for list of mac addresses:

    Got them what do I need to do with them?

    Well, check those in the FOG web UI. Why do they have the same MAC addresses? Remove the MAC address from one or both of the hosts and their fog-client should be working fine again.

    Often this is caused by virtual VPN adapters. For example the 00:09:0F:AA:00:01 looks like one. You can prevent the fog-client from registering those kind of MACs using this setting: FOG Configuration -> FOG Settings -> FOG Client - Host Register -> FOG_QUICKREG_PENDING_MAC_FILTER…



  • @Sebastian-Roth said in Unable to rename/join - Error multiple hosts returned for list of mac addresses:

    SELECT hostName FROM hosts where hostID IN ( 357, 419 );

    Got them what do I need to do with them?


  • Senior Developer

    @darkxeno Now get the names of these hosts:

    ...
    mysql> SELECT hostName FROM hosts where hostID IN ( 357, 419 );
    ...
    


  • @Sebastian-Roth said in Unable to rename/join - Error multiple hosts returned for list of mac addresses:

    use fog;

    Database changed
    MariaDB [fog]>  SELECT hmHostID FROM hostMAC where hmMAC IN ('00:09:0F:AA:00:01', '4E:4D:D9:8C:1F:5B', '54:B2:03:E4:6A:D5', 'F8:AC:65:BE:26:0C', 'F8:AC:65:BE:26:0D', 'FA:AC:65:BE:26:0C', 'F8:AC:65:BE:26:10', '90:93:8B:56:52:54');
    +----------+
    | hmHostID |
    +----------+
    |      357 |
    |      419 |
    +----------+
    2 rows in set (0.00 sec)
    

  • Senior Developer

    @darkxeno Always need to select the database first just as last time:

    shell> mysql -u fogmaster -p
    Password:
    ...
    mysql> use fog;
    ...
    mysql> SELECT hmHostID FROM hostMAC where hmMAC IN ('00:09:0F:AA:00:01', '4E:4D:D9:8C:1F:5B', '54:B2:03:E4:6A:D5', 'F8:AC:65:BE:26:0C', 'F8:AC:65:BE:26:0D', 'FA:AC:65:BE:26:0C', 'F8:AC:65:BE:26:10', '90:93:8B:56:52:54');
    ...
    mysql> quit
    


  • @Sebastian-Roth said in Unable to rename/join - Error multiple hosts returned for list of mac addresses:

    mysql> SELECT hmHostID FROM hostMAC where hmMAC IN (‘00:09:0F:AA:00:01’, ‘4E:4D:D9:8C:1F:5B’, ‘54:B2:03:E4:6A:D5’, ‘F8:AC:65:BE:26:0C’, ‘F8:AC:65:BE:26:0D’, ‘FA:AC:65:BE:26:0C’, ‘F8:AC:65:BE:26:10’, ‘90:93:8B:56:52:54’);

    MariaDB [(none)]> SELECT hmHostID FROM hostMAC where hmMAC IN ('00:09:0F:AA:00:01', '4E:4D:D9:8C:1F:5B', '54:B2:03:E4:6A:D5', 'F8:AC:65:BE:26:0C', 'F8:AC:65:BE:26:0D', 'FA:AC:65:BE:26:0C', 'F8:AC:65:BE:26:10', '90:93:8B:56:52:54');
    ERROR 1046 (3D000): No database selected
    MariaDB [(none)]>
    

  • Senior Developer

    @darkxeno Some of the MAC addresses we see in the logs are clearly virtual VPN adapter MACs - e.g. 00:09:0F:AA:00:01

    Please run the following SQL query to find out which hosts might be using these and post results here:

    mysql> SELECT hmHostID FROM hostMAC where hmMAC IN ('00:09:0F:AA:00:01', '4E:4D:D9:8C:1F:5B', '54:B2:03:E4:6A:D5', 'F8:AC:65:BE:26:0C', 'F8:AC:65:BE:26:0D', 'FA:AC:65:BE:26:0C', 'F8:AC:65:BE:26:10', '90:93:8B:56:52:54');


  • @Sebastian-Roth heres the log file after updating to 0.12fog.log




  • Senior Developer

    @darkxeno Are you still seeing the same error in fog.log on the client. May I ask you upload the full log file here or if you think this exposes too much internal information (private range IPs and MACs are not an issue I find) then send me a private message and we can exchange things securely via PGP encrypted email.



  • @Sebastian-Roth here is the output

    MariaDB [(none)]> use fog;
    Reading table information for completion of table and column names
    You can turn off this feature to get a quicker startup with -A

    Database changed
    MariaDB [fog]> SELECT * FROM hostMAC WHERE hmMAC IN (SELECT hmMAC FROM hostMAC GROUP BY hmMAC HAVING COUNT(hmMAC) > 1);
    Empty set (0.02 sec)

    MariaDB [fog]> SELECT * FROM hosts WHERE hostID IN (SELECT hmHostID FROM hostMAC GROUP BY hmMAC HAVING COUNT(hmMAC) > 1);
    Empty set (0.01 sec)


  • Senior Developer

    @darkxeno said in Same issue:

    Error multiple hosts returned for list of mac addresses

    Please run the following commands on the console to query the database for the duplicated MAC used:

    shell> mysql -u fogmaster -p
    Password:
    ...
    mysql> use fog;
    ...
    mysql> SELECT * FROM hostMAC WHERE hmMAC IN (SELECT hmMAC FROM hostMAC GROUP BY hmMAC HAVING COUNT(hmMAC) > 1);
    ...
    mysql> SELECT * FROM hosts WHERE hostID IN (SELECT hmHostID FROM hostMAC GROUP BY hmMAC HAVING COUNT(hmMAC) > 1);
    ...
    mysql> quit
    

    The password for the fogmaster database user is found in /var/www/html/fog/lib/fog/config.class.php. Post output of the commands here in the forum if you need further help.


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