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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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Creating a Namespace for an SSD

Creating a Namespace for an SSD


This command is used to create a namespace for an SSD.


hioadm namespace -d devicename -t operationtype -s size -f shareflag


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 0 in this command.

size Size of a namespace. Unit: G or T

If the unit is not specified, the default unit G is used.

If this parameter is set to 0, the remaining unallocated space is all used for creating a namespace.
shareflag Whether the namespace is shared
  • 0: Exclusive
Supports only the exclusive mode.

Usage Guidelines



# Create an exclusive namespace of 64 GB for the nvme0 SSD.

[root@localhost tool]# hioadm namespace -d nvme0 -t 0 -s 64 -f 0
creating namespace successed.
namespace id: 1
Updated: 2019-03-12

Document ID: EDOC1000101091

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