Rate and give feedback:
Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document.
Note: Even the most advanced machine translation cannot match the quality of professional translators.
Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
change cluster controllers
Parameters
Parameter |
Description |
Value |
|---|---|---|
| controller_num_pre_cls=? | Maximum number of controllers supported by a controller enclosure. | The value can be "2" or "4". |
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.
Example
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.Ensure that no disks are being erased. Otherwise, the disks whose data is being erased cannot be used. 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.
