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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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Safely Erasing User Data of an SSD

Safely Erasing User Data of an SSD

Function

This command is used to safely erase user data of an SSD.

After safely erasing an SSD, the sector type and quantity of logical disks are not changed.

Exercise caution because this operation erases data.

Format

hioadm secure -d devicename

Parameters

Parameter Description Value
devicename Name of an SSD. Example: nvme0

Usage Guidelines

  • This command supports NVMe SSDs provided by other vendors.
  • Before running this command, stop all I/O services of the SSD and perform the following:
    • For Linux, unmount all logical disks. Stop all the processes on the logical disks that use the SSD, and run the fuser command to check that these processes are all stopped. The following information (in this example, the SSD has two logical disks) indicates that a process is using an SSD logical disk. Stop the process.
      [root@localhost tool]# fuser /dev/nvme0n1 /dev/nvme0n2
      /dev/nvme0n1:        14789
      /dev/nvme0n1:        14812
    • For ESXi, delete all partitions of all logical disks.
    • For Windows, make the logical disks offline, as shown in Figure 6-3.
      Figure 6-3  Making a logical disk offline

Example

# Safely erase user data of the nvme0 SSD.

[root@localhost tool]# hioadm secure -d nvme0

WARNING! The secure operation will clear all data. 
WARNING! You have selected the secure operation.
Proceed with the secure? (Y|N): y 
Formatting.... OK
The secure operate successed.
Please remove and then install the NVMe driver or reboot the OS.
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Updated: 2019-03-12

Document ID: EDOC1000101091

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