how to resolve ip conflict error while sql server clustering

  • I am practicing on vmware 2 node failover cluster for doing Sql

    failover clustering understanding.

    I did proper Ad Dc setup and configured san storage through

    iscsi software that I downloaded from net.

    I did target and initiator configuration for san storage on same Domain controller vm.

    Name of target is Target1 and has two initialtor for node1 and node2.It has two virtual disk assigned Quorumdisk.vhd

    and sqldisk.vhd.

    ON vmnode1 I have initialzed and formatted my both disk with proper volume and label.

    Node which are participating in cluster are node1 and node2.

    while my windows clustering went fine,while Sql server installation on node 1,i got error IP Address conflict occured.

    my DC has IP address:192.168.1.10

    my Node1 is 192.168.1.20

    node2:192.168.1.30

    Cluster IP address is 192.168.1.35

    What has cause this situation.What configuration is needed.

    How do I troubleshoot this problem as now I can not install my sql for clustering as also gave me Invalid network name error.

    Is my storage configuration not proper or IP address is in correct?

    Do I need to put my virtual disk in Clustered shared volume??

    Can anyone help me resolve this issue.

    Thanks in advance,

  • something on your network has the same IP address as another resource, make a check of all IPs in use

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    "Ya can't make an omelette without breaking just a few eggs" 😉

  • I did try to configure with other network address that does not

    conflict with other network ip address.

    Still I get warning in IP address configuration while validating clustering.

    I am using vmware on same box and practicing clustering.

    I have one network adapter for two node clustering.is second network needed for heartbeat in vmware environment.

    as I am also getting network communication warning in my report.

    MY DC address is 192.168.1.110

    subnet:255.255.255.0

    Prefered DNS:192.168.1.110

    Node1:192.168.1.111

    subnet:255.255.255.0

    Prefered DNS:192.168.1.110

    Node2:192.168.1.112

    subnet:255.255.255.0

    Preferred DNS:192.168.1.110

    is there any thing missing in network configuration?

    please let me know soon....

    thanks in advance

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