Set nodes to standby mode

When a cluster runs in standby mode, only one node at a time processes traffic. The other running nodes are on standby.

Standby nodes monitor the traffic so that they can take over if the active node fails. Only one node at a time is in the online state, and the rest are either in the standby or offline state. When you command an online node to standby, a standby node in the cluster (if there is one) automatically goes online to take over the traffic.

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Steps

  1. Select Home.
  2. Browse to Engines, then expand the nodes of the engine that you want to set to standby mode.
  3. Right-click a node, then select Commands > Standby.
  4. (Optional) In the Confirmation dialog box that opens, enter an Audit Comment.
    The comment is included in the audit log entry that is generated.
  5. Click Yes.
    The node is set to standby mode shortly.