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DNS Cluster recurring issue

Discussion in 'Bind / DNS / Nameserver Issues' started by OffbeatAdam, Nov 4, 2009.

  1. OffbeatAdam

    OffbeatAdam Active Member

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    Greetings,

    We have a recurring issue where a large DNS cluster (10,000+ zones, exact number likely beyond 50k) continues to crash frequently.

    This does not appear to be hardware related, as monitoring does not find the box as being a direct relation to the failure.

    The issue appears to be in constant rebuilding of named.conf, rather - it seems that the named.conf needs to be rebuilt, ALOT, and when it does so - it steps on itself, and then causes errors within named.conf.

    Any ideas?

    Thanks,

    Adam
     
  2. cPanelDon

    cPanelDon cPanel Quality Assurance Analyst
    Staff Member

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    Twitter:
    It will help to know some additional details, as numbered below, so that we can have a better idea what might be occurring.

    1.) What is the full cPanel version number of each system in the cluster?
    Code:
    # cat /usr/local/cpanel/version && echo
    2.) What is the status of BIND/named during the exhibited issue?
    Code:
    # /etc/init.d/named status
    # /scripts/restartsrv_named --status
    3.) What specific symptoms indicate the described problematic behavior or activity from BIND? For example, did the service fail completely, perhaps with the process dying or failing to restart, or is there a different indicatior or something more subtle that still interferes with normal activity?

    4.) What exact corrective measures are being attempted or performed?
     
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