4 Replies Latest reply: Oct 1, 2012 3:21 AM by __OUTSIDER___ RSS

    GNS errors

    __OUTSIDER___
      Hi experts,

      I followed to MOS note DNS and DHCP Setup Example for Grid Infrastructure GNS [ID 946452.1] to configure DNS, DHCP for GNS.
      Everything working as I expected
      [grid@c1n1 ~]$ nslookup itdata-scan.cluster.it.data
      Server:         192.168.7.10
      Address:        192.168.7.10#53
      
      Non-authoritative answer:
      Name:   itdata-scan.cluster.it.data
      Address: 192.168.7.110
      Name:   itdata-scan.cluster.it.data
      Address: 192.168.7.106
      Name:   itdata-scan.cluster.it.data
      Address: 192.168.7.109
      and round robin also works but I don't know why I received many errors in cluster log.
      This error repeated every minute.
      2012-10-03 06:22:36.002
      [gnsd(4384)]CRS-10001:CLSGN-0000: no error
      CLSGN-00183: Number of retries exceeded maximum: 8.
        CLSU-00912: OSE: has:CLSU:912 CLSU-00100: Operating System function: getaddrinfo failed with error data: 0
      CLSU-00101: Operating System error message: Error 0
      CLSU-00103: error location: SCLSIN01
      CLSU-00104: additional error information: Name or service not known
          CLSGN-00178: Resolution of name "GNSTESTHOST.cluster.it.data" failed.
      Also in DNS logs


      error (FORMERR) resolving 'GNSTESTHOST.cluster.it.data.cluster.it.data/A/IN': 192.168.7.150#53
      DNS format error from 192.168.7.150#53 resolving GNSTESTHOST.cluster.it.data.cluster.it.data/AAAA for client 192.168.7.12#65309: too many questions
      -----------
      error (FORMERR) resolving 'c1n1.cluster.it.data/AAAA/IN': 192.168.7.150#53
      DNS format error from 192.168.7.150#53 resolving c1n1.cluster.it.data/AAAA for client 192.168.7.12#32840: reply has no answer
      Please help me understand.

      Envionment: Linux 6.3 Oracle G.I 11.2.0.3

      DNS bind linux

      ./thanks
        • 1. Re: GNS errors
          921598
          CLSGN-00178: Resolution of name "string" failed.
          Cause:     Check to make sure that an address for the name has been registered with GNS. If it is configured, check to make sure that DNS has been properly configured.
          Action:     GNS failed to retrieve the address of the specified name.

          can you please past the output of below

          host itdata-scan.cluster.it.data
          • 2. Re: GNS errors
            __OUTSIDER___
            Inam Bukhari wrote:
            CLSGN-00178: Resolution of name "string" failed.
            Cause:     Check to make sure that an address for the name has been registered with GNS. If it is configured, check to make sure that DNS has been properly configured.
            Action:     GNS failed to retrieve the address of the specified name.

            can you please past the output of below

            host itdata-scan.cluster.it.data
            Thanks for reply.
            Strange behavior.

            First time

            [grid@c1n1 ~]$ host itdata-scan.cluster.it.data
            itdata-scan.cluster.it.data has address 192.168.7.106
            itdata-scan.cluster.it.data has address 192.168.7.109
            itdata-scan.cluster.it.data has address 192.168.7.110
            Host itdata-scan.cluster.it.data not found: 3(NXDOMAIN)
            Host itdata-scan.cluster.it.data not found: 3(NXDOMAIN)

            after few seconds

            [grid@c1n1 ~]$ host itdata-scan.cluster.it.data
            Host itdata-scan.cluster.it.data not found: 3(NXDOMAIN)


            Something wrong in DNS ?

            [grid@c1n1 ~]$ srvctl status gns
            GNS is running on node c1n2.
            GNS is enabled on node c1n2.
            [grid@c1n1 ~]$ srvctl status scan
            SCAN VIP scan1 is enabled
            SCAN VIP scan1 is running on node c1n1
            SCAN VIP scan2 is enabled
            SCAN VIP scan2 is running on node c1n2
            SCAN VIP scan3 is enabled
            SCAN VIP scan3 is running on node c1n1
            [grid@c1n1 ~]$ srvctl status scan_listener
            SCAN Listener LISTENER_SCAN1 is enabled
            SCAN listener LISTENER_SCAN1 is running on node c1n1
            SCAN Listener LISTENER_SCAN2 is enabled
            SCAN listener LISTENER_SCAN2 is running on node c1n2
            SCAN Listener LISTENER_SCAN3 is enabled
            SCAN listener LISTENER_SCAN3 is running on node c1n1
            [grid@c1n1 ~]$ srvctl config scan
            SCAN name: itdata-scan.cluster.it.data, Network: 1/192.168.7.0/255.255.255.0/eth0
            SCAN VIP name: scan1, IP: /itdata-scan.cluster.it.data/192.168.7.110
            SCAN VIP name: scan2, IP: /itdata-scan.cluster.it.data/192.168.7.109
            SCAN VIP name: scan3, IP: /itdata-scan.cluster.it.data/192.168.7.106
            [grid@c1n1 ~]$
            
            
            
            [grid@c1n2 ~]$ dig itdata-scan.cluster.it.data
            
            
            ;; AUTHORITY SECTION:
            cluster.it.data.        9402    IN      SOA     itdata-gns-vip.cluster.it.data. itdata-gns-vip.cluster.it.data. 4060052 10800 10800 30 120
            Any ideas ?

            ./thanks
            • 3. Re: GNS errors
              __OUTSIDER___
              Here DNS log
              DNS format error from 192.168.7.150#53 resolving itdata-scan.cluster.it.data.cluster.it.data/A for client 192.168.7.11#18794: too many questions
              Why domain name repeated ? I mean must be itdata-scan.cluster.it.data not itdata-scan.cluster.it.data.cluster.it.data
              • 4. Re: GNS errors
                __OUTSIDER___
                What I investigated is really interesting.

                After DNS service restart bind able to resolve scan name but only once........
                before restart
                ----
                [root@nc1 ~]# host itdata-scan.cluster.it.data
                Host itdata-scan.cluster.it.data.cluster.it.data not found: 2(SERVFAIL)
                
                [root@nc1 ~]# /etc/init.d/named restart
                
                after restart
                -----
                [root@nc1 ~]# host itdata-scan.cluster.it.data
                itdata-scan.cluster.it.data has address 192.168.7.110
                itdata-scan.cluster.it.data has address 192.168.7.106
                itdata-scan.cluster.it.data has address 192.168.7.109
                Host itdata-scan.cluster.it.data.cluster.it.data not found: 2(SERVFAIL)
                Host itdata-scan.cluster.it.data.cluster.it.data not found: 2(SERVFAIL)
                
                
                [root@nc1 ~]# host itdata-scan.cluster.it.data
                Host itdata-scan.cluster.it.data.cluster.it.data not found: 2(SERVFAIL)
                Please who already faced with situation like this suggest ?