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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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Querying the Namespace Distribution of an SSD

Querying the Namespace Distribution of an SSD


This command is used to query the namespace distribution of an SSD.


hioadm namespace -d devicename


Parameter Description Value
devicename Name of a device Example: nvme0

Usage Guidelines



# Query the namespace distribution of the nvme0 SSD.

[root@localhost tool]# hioadm namespace -d nvme0
total capacity: 1.8T 
unallocated capacity: 1.0T 
maximum capacity to creat single namespace: 800.0G 
namespace id    capacity    shared    controller id 
1               200.0G      NO        1 
2               600G        NO        N/A 

System Response


Parameter Description


total capacity

Total SSD capacity with one decimal place. Unit: GB or TB.

Example: 1.8TB

unallocated capacity

Unallocated SSD capacity with one decimal place. Unit: GB or TB.

Example: 1.0TB

maximum capacity to creat single namespace

Maximum capacity (with one decimal place) of a single namespace. Unit: GB or TB.

Example: 800.0GB

namespace id

All namespace IDs of an SSD.

Example: 1


Capacity (one decimal place) of a namespace. Unit: GB or TB.

Example: 200.0.0GB


Whether the namespace is shared. The value is no.


controller id

IDs of controllers attached to a namespace.

Example: 1

Updated: 2019-03-12

Document ID: EDOC1000101091

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