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ES3000 V3 NVMe PCIe SSD User Guide 20

This document provides the product information about the Huawei ES3000 V3 PCIe SSD (ES3000 V3 for short) and describes how to install, configure, operate, and maintain the ES3000 V3.
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Deleting a Namespace of an SSD

Deleting a Namespace of an SSD


This command is used to delete a namespace of an SSD.


hioadm namespace -d devicename -t operationtype -i namespaceid


Parameter Description Value
devicename Name of a device. Example: nvme0
operationtype Operation Type
  • 0: Create a namespace.
  • 1: Delete a namespace.
  • 2: Attach a namespace.
  • 3: Detach a namespace.
  • 6: Set the number of namespaces.

Select 1 in this command.

namespaceid ID of a namespace. -

Usage Guidelines

  • Before running this command, stop all I/O operations related to the namespace.
  • Before running this command, detach the namespace from all controllers.

  • Exercise caution because deleting the namespace will also delete its storage data.


# Delete namespace 1 of the nvme0 SSD.

[root@localhost tool]#  hioadm namespace -d nvme0 -t 1 -i 1

WARNING! The delete namespace operation will clear all data of this namespace. 
WARNING! You have selected the delete namespace operation.  
Proceed with the delete namespace operation? (Y|N): y 
deleting the namespace successed.
Please remove and then install the NVMe driver or reboot the OS.

System Response

If delete failed is displayed, the operation failed. The failure cause is as follows:
  • The namespace does not exist.
Updated: 2019-03-12

Document ID: EDOC1000101091

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