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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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The command is used to power off a specified node.

Format [ -h | -a | -n bitmap ]





-h Show help information.


-a Powers off all nodes in the cluster. If the current node is not in the cluster, this node will not be powered off.


-n bitmap Powers off all the nodes in a specified bit map. The nodes must be currently online.

The value ranges from 0 to 65,535. You can enter the value as an octal, decimal, or hexadecimal number.


Minisystem mode

Usage Guidelines

This is an environment recovery command and is used in scenarios where data needs to be saved and the storage system will be restarted. This command will power off specified nodes. After the specified nodes are powered off, if the remaining nodes cannot work properly, the remaining nodes will be powered off.


  • Power off all nodes in the cluster.

    Storage: minisystem> -a
    Please confirm to power lost all the nodes in cluster. [y/n]y
    admin:/diagnose>sys powerlost -a
    Start power lost all nodes in cluster.
    Storage: minisystem>
  • Power off all the nodes in a specified bit map.

    Storage: minisystem> -n 0x2
    Please confirm to power lost all the nodes in the bitmap(0x2). [y/n]y
    admin:/diagnose>sys powerlost -n 0x2
    Start power lost nodes(bitmap 0x2).
    Storage: minisystem>

System Response


Updated: 2020-01-17

Document ID: EDOC1000181575

Views: 724958

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