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Advanced O&M Command Reference

OceanStor 2800 V5 V500R007

This document is applicable to OceanStor 2800 V5. Based on the CLI, this document describes how to use various commands classified by functions and how to set the CLI and manage the storage system through these commands. The document that you browse online matches the latest C version of the product. Click Download to download documents of other C versions.

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change cluster controllers

change cluster controllers


The change cluster controllers command is used to split cluster controllers.


change cluster controllers controller_num_pre_cls=?





controller_num_pre_cls=? Maximum number of controllers supported by a controller enclosure.

The value can be "2" or "4".


Developer view

Usage Guidelines

  • This command will split the current cluster into multiple clusters.
  • This operation will delete all configuration information.
  • This operation will restart all nodes.
  • If the cluster contains multiple controller enclosures with different number of controllers, the cluster does not support this command.


Split cluster controllers.

developer:/>change cluster controllers controller_num_pre_cls=2
DANGER: This operation splits the cluster into multiple clusters, clears cluster configurations, interrupts services, and restarts all nodes.
Suggestion: Before performing this operation, ensure that the cluster must be split for controller expansion and the cluster is working correctly.
Have you read danger alert message carefully?(y/n)y
Are you sure you really want to perform the operation?(y/n)y
Command executed successfully.

System Response


Updated: 2020-01-17

Document ID: EDOC1000181575

Views: 731550

Downloads: 32

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