SQL Server 2008 Nodes recovery

  • All,

    I have 3 nodes SQL Server 2008 Failover clustering, lets say, A, B and C. A fail over to B, B fail over to C and C fail over to A. The problem is server in Nodes A has been crash, and I has been re-install the server.

    What's should I do to add the new installed server to the cluster? It's evict the nodes from cluster? or remove from cluster? or add as new nodes to cluster?

    Thanks

  • Hi,

    I has been reading it before, the problem is, when I want to remove from the setup wizard, I can't choose the nodes, because the nodes has been already shutdown

  • Just to Clarify:

    You have Windows Node A, which hosts SQL instances 1 and 2

    You have Windows Node B, which hosts SQL instances 3 and 4

    You have Windows Node C, which hosts SQL instances 5 and 6

    Node A has failed, so you now have:

    You have Windows Node B, which hosts SQL instances 1 and 2 and 3 and 4

    You have Windows Node C, which hosts SQL instances 5 and 6

    If Nodes B+C are still up and running, then just add the new Node into the existing cluster and then do the SQL 'Add node to existing failover cluster' install.

    Or are you saying that you've also lost nodes B+C, or that you've shut them down?

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  • stuart@leaf-node (1/17/2012)


    Just to Clarify:

    You have Windows Node A, which hosts SQL instances 1 and 2

    You have Windows Node B, which hosts SQL instances 3 and 4

    You have Windows Node C, which hosts SQL instances 5 and 6

    Node A has failed, so you now have:

    You have Windows Node B, which hosts SQL instances 1 and 2 and 3 and 4

    You have Windows Node C, which hosts SQL instances 5 and 6

    If Nodes B+C are still up and running, then just add the new Node into the existing cluster and then do the SQL 'Add node to existing failover cluster' install.

    Or are you saying that you've also lost nodes B+C, or that you've shut them down?

    Node A, host SQL instances 1 and 2

    Node B, host SQL instances 2 and 3

    Node C, host SQL instances 3 and 1

    Current condition is, Node 2 and Node 3 still running, and Node 1 has been move to Node 2.

    Node 1 has been re-install (OS, etc), and the name of the server has been change. The Node 1 still listed in the Cluster Management, but error sign (stop)

    My questions is, how to add back the nodes 1 to the cluster, with that's condition?

    If I add new nodes, it's mean I add a new nodes, not replacing the old one

  • Just evict the old 'node' record, and then add the reinstalled node.

    Don't try replacing the old node as that will only cause confusion later on.

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