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Shankar Nagarajan

Amith Bhonsle

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Upgrade to opHA-MB 5.1.0 can be done from infrastructure

  • New to opHA/opHA-MB ----- Install to new servers

  • Running opHA 4.X ----- Upgrade existing servers, running opHA 4.x

Upgrade to opHA-5.1.0 with no opHA

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Prerequisites

IMPORTANT: All the servers should be setup with the following

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b. MongoDB 6 installed

c. The role of the vm server on which opHA-5.1.0 needs to be installed should be known and appropriately set (opha_role) in opCommon.json

d. opHA-MB licenses to be installed.

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Editing the Role of the instance in opCommon.json

The default value of opha_role in opCommon.json is Standalone

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  1. Edit Configuration: Update the /etc/nats-server.conf file with the following settings:

    1. On Main Primary:

      1. server_name: opha-dev1.opmantek.net

      2. host: "opha-dev1.opmantek.net"

      3. routes: [
        # secondary primary
        "nats://opha-dev6.opmantek.net:6222"
        # arbiter
        "nats://opha-dev2.opmantek.net:6222"
        ]

    2. On Secondary Primary:

      1. server_name: opha-dev6.opmantek.net

      2. host: "opha-dev6.opmantek.net"

      3. routes: [
        # main primary
        "nats://opha-dev1.opmantek.net:6222"
        # arbiter
        "nats://opha-dev2.opmantek.net:6222"
        ]

    3. On Arbiter:

      1. server_name: opha-dev2.opmantek.net

      2. host: "opha-dev2.opmantek.net"

      3. routes: [
        # main primary
        "nats://opha-dev1.opmantek.net:6222"
        # secondary primary
        "nats://opha-dev6.opmantek.net:6222"
        ]

  2. Sample file for Main Primary:-

    Code Block
    languagejson
    server_name: "opha-dev1.opmantek.net"  #The local server  
http_port: 8222 
listen: 4222 
jetstream: enabled 

#tls {
#    cert_file: "<path>"
#    key_file:  "<path>"
#    #ca_file:   "<path>"
#    verify: true
#}

log_file: "/var/log/nats-server.log"

accounts { 
  $SYS { 
    users: [ 
      { user: "admin",
        pass: "password" 
      } 
    ] 
  } 
  ophad: { 
    users: [ 
        { user: "omkadmin", password: "op42opha42" } 
    ] 
    jetstream: enabled 
  } 
} 

jetstream { 
  store_dir: "/opt/nats/storage" 
  max_memory_store: 1028M 
  max_file_store: 1028M 
} 
cluster { 
  name: "C1" 
  host: "opha-dev1.opmantek.net"  #The current host 
  # the current server 
  listen: "0.0.0.0:6222" 
  routes: [ 
    # secondary primary
    "nats://opha-dev6.opmantek.net:6222" 
    # server with the arbiter 
    "nats://opha-dev2.opmantek.net:6222" 
    # other servers 
  ] 
}

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Upgrade to opHA-5.1.0 from opHA 4.X

Prerequisites

IMPORTANT: All the servers should be setup with the following

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d. opHA-MB licenses to be installed.

Editing the Role of the instance in opCommon.json

The default value of opha_role in opCommon.json is Standalone

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