Cluster extension {#expand_cluster}

  1. Add information about new nodes to NameserviceConfig in the names.txt file

    1. Node {
    2.     NodeId: 1
    3.     Port: <ic-port>
    4.     Host: "<existing-host>"
    5.     InterconnectHost: "<existing-host>"
    6.     Location {
    7.         DataCenter: "DC1"
    8.         Module: "M1"
    9.         Rack: "R1"
    10.         Unit: "U1"
    11.     }
    12. }
    13. Node {
    14.     NodeId: 2
    15.     Port: <ic-port>
    16.     Host: "<new-host>"
    17.     InterconnectHost: "<new-host>"
    18.     Location {
    19.         DataCenter: "DC1"
    20.         Module: "M2"
    21.         Rack: "R2"
    22.         Unit: "U2"
    23.     }
    24. }
    25. ClusterUUID: "<cluster-UUID>"
    26. AcceptUUID: "<cluster-UUID>"

    Cluster extension - 图1

  2. Update the NameserviceConfig via CMS

  3. Add new nodes to DefineBox

    Sample protobuf for DefineBox

    1. Command {
    2.     DefineHostConfig {
    3.         HostConfigId: 1
    4.         Drive {
    5.             Path: "<device-path>"
    6.             Type: SSD
    7.             PDiskConfig {
    8.                 ExpectedSlotCount: 2
    9.             }
    10.         }
    11.     }
    12. }
    13. Command {
    14.     DefineBox {
    15.         BoxId: 1
    16.         Host {
    17.             Key {
    18.                 Fqdn: "<existing-host>"
    19.                 IcPort: <ic-port>
    20.             }
    21.             HostConfigId: 1
    22.         }
    23.         Host {
    24.             Key {
    25.                 Fqdn: "<new-host>"
    26.                 IcPort: <ic-port>
    27.             }
    28.             HostConfigId: 1
    29.         }
    30.     }
    31. }

    Cluster extension - 图2

    Using the command

    1. kikimr -s <endpoint> admin bs config invoke --proto-file DefineBox.txt

    Cluster extension - 图3