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migration dns server

Comments

13 comments

  • cPRex Jurassic Moderator

    Hey there!  If you wanted to upgrade the machines, all you have to do is add new DNSOnly servers to the cluster, remove the old nameservers from the registrar, and then shut off the old nameservers once you're confident all traffic is going to the new ones.

    I don't have any specific service recommendations for DNS providers as that isn't something cPanel provides.

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  • Unnamed User

    I installed two cpanel dnsonly but I have a problem, the dns server connect to my webservers but single web server not connect to dnsonly server, I get this error (in debug mode)

    [2024-06-24 11:28:16 +0200] warn [queueprocd] Could not connect to https://000.000.000.000:2087/json-api/batch: Connection Timed Out at /usr/local/cpanel/3rdparty/perl/536/cpanel-lib/cPanel/PublicAPI.pm line 259.
    [2024-06-24 11:28:27 +0200] warn [activate_remote_nameservers] Could not connect to https://000.000.000.000:2087/json-api/batch: Connection Timed Out at /usr/local/cpanel/3rdparty/perl/536/cpanel-lib/cPanel/PublicAPI.pm line 259.

     

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  • Unnamed User

    I configured API remote servers

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  • cPRex Jurassic Moderator

    Are you able to manually connect to the servers from the command line?  Whenever I see a networking error like this, I always try a basic telnet connection to see if the port itself is responding how I expect:

    telnet 000.000.000.000 2087

    You may need to install telnet with "yum install telnet" on your server if that command doesn't exist.

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  • Unnamed User

    [root@ssd9 ~]# telnet 000.000.000.000
    Trying 000.000.000.000...
    telnet: connect to address 000.000.000.000: Connection refused
    [root@ssd9 ~]#

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  • cPRex Jurassic Moderator

    And just to confirm, in case I wasn't clear, you changed that to the valid IP of the server that you originally blocked out, correct?  If so, that would be the issue and you'll need to check the firewall on both systems to figure out where the issue is.

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  • Unnamed User

    with 2087 work fine telnet

    [root@ssd9 ~]# telnet 000.000.000.000 2087
    Trying 000.000.000.000...
    Connected to 000.000.000.000.
    Escape character is '^]'.

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  • cPRex Jurassic Moderator

    Is the cluster configuration working well now also?

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  • Unnamed User

    if I click in Action button on my webserver and click SUBMIT I receive this message

    The Trust Relationship has been established.
    The remote server, dns1.myhostname.net, is running WHM version: 11.120.0.11
    The reverse trust relationship has been established from the remote server to this server as well.
    The new role for 000.000.000.000 is sync.
     
    but in listing cluster report connection error
     
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  • Unnamed User

    Everything seems to be working but there is this connection error in the log

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  • cPRex Jurassic Moderator

    Can the DNS cluster machine communicate back with the webserver over port 2087?  That telnet test should work both ways in order for that connection to work.

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  • Unnamed User

    yes work both ways

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  • cPRex Jurassic Moderator

    Could you create a support ticket so this can be investigated?

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