i cant remove node form cluster controller

Newbie917245 Lv1Posted 26 Sep 2024 22:05

when i remove node from cluster controller
error say Please switch to controller node before deleting this node to ensure the reliability of business data.

how i fix it ?

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(In reply to Newbie917245)
Hi, you got this errore because on a cluster the minimum requirements are three nodes (or two nodes + witness). I see on your screenshot that one of four nodes is offline. Try restore this offline node first and wait that the cluster finish his operation.
Is this answer helpful?
Enrico Vanzetto Lv4Posted 26 Sep 2024 22:32
  
is the node you want to remove a cluster controller? Before removing a node, please set it in maintenance to avoid data loss and to ensure cluster stability.
AimanHakim Lv2Posted 26 Sep 2024 22:33
  
Hi u can switch the controller 1st. Once done, u can delete the node u wanted. Is ur objective to replace the node or what?

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jerome_itable Lv3Posted 27 Sep 2024 08:01
  
The error message you're getting indicates that you're trying to remove a node from a Sangfor cluster controller without first switching to the controller or maintenance node.

This is a safety measure to prevent data loss or service disruption.

Here's how you can proceed:

    Switch to the controller node:
        Log in to the Sangfor cluster controller interface.
        Locate the "Nodes" or "Cluster Management" section.
        Select the controller node you want to switch to.
        Click on the "Switch to Controller" button or perform the equivalent action based on the interface.

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