Sub_OpType indicates the type of data to be deleted.
Table A-104
Sub_OpType
Sub_OpType
Description
00h
Vendor logs
01h
SMART information (including information
defined by the protocol and vendor) and
protocol error logs.
02h
All information, including vendor logs,
SMART information, and protocol error
logs.
A.6.2.2.2 Configuring the SSD Capacity
This command is used to configure the available capacity of the entire SSD. The command
uses the Dword13 and Dword14 fields. Enter reserved value 0 for fields that are not involved.
The tool on the host needs to ensure that the entire drive capacity is 4K-aligned.
Table A-105
Dword13&Dword14
Bit
Description
63:00
Capacity of the entire SSD (unit: byte)
A.6.2.2.3 Recovering Data
Run this command to recover data of the SSD. The recovery may take up to 20 minutes.
Before recovering data, run the
hioadm info -d devicename -a
command and verify that
data
status
in the command output is
need recovery
.
This command uses the Dword12 field. Enter reserved value 0 for fields that are not involved.
A.6.2.2.4 Configuring the Number of Namespaces
This command is used to configure the number of namespaces (NN for short), which
corresponds to the Identify Controller NN field (Byte 519:516). This command involves
controller-based access and can be run only in PF mode. This command uses the Dword13
field to indicate the NN value to be set. The NN value ranges from 1 to 64. Enter reserved
value 0 for fields that are not involved.
Table A-106
Command Dword13
Bit
Description
31:00
NN Value
: NN value to be set, ranging from 1 to 64.
ES3000 V5 NVMe PCIe SSD
User Guide
A Supported NVMe Commands
Issue 07 (2019-03-19)
Copyright © Huawei Technologies Co., Ltd.
199