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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 SMART Information About a Device

Querying the SMART Information About a Device

Function

This command is used to query the SMART (Self-Monitoring, Analysis and Reporting Technology) information about an SSD (SSD controller).

Format

hioadm info -d devicename -s

Parameters

Parameter Description Value
devicename Name of a device Examples: nvme0 and nvme1

Usage Guidelines

None

Example

# Query the SMART information about nvme0.

[root@localhost tool]# hioadm info -d nvme0 -s
critical warning              : no warning
composite temperature         : 308 degrees Kelvin (35 degrees Celsius)
available spare               : 100%
available spare threshold     : 10%
percentage used               : 0%
data units read               : 68.8 MB
data units written            : 0.0 MB
host read commands            : 17748 
host write commands           : 0 
controller busy time          : 0 mins
power cycles                  : 89 times
power on hours                : 1164 h
unsafe shutdowns              : 35 times
media and data integrity errors: 0 
number of error information log entries: 0 
warning composite temperature time: 0 min
critical composite temperature time: 0 min
data status                   : OK

System Response

Parameter

Parameter Description

Value

critical warning

Critical warning, such as overtemperature and insufficient redundant space.

Example: no warning

There are the following types of critical warning:

  • The available space is smaller than the threshold.
  • The temperature exceeds the threshold.
  • An internal error downgrades the NVM subsystem reliability.
  • The medium is read-only.
  • Device backup failed.

composite temperature

Temperature. Unit: degree Kelvin and Celsius

Example: 328 degree K (55 degree C)

available spare

Redundant space proportion.

Example: 100 %

available spare threshold

Warning threshold of the redundant space proportion.

Example: 10 %

percentage used

Percentage of used service life.

Example: 0 %

data units read

Total read data volume. Unit: MB

Example: 22.4MB

data units written

Total write data volume. Unit: MB

Example: 0.0MB

host read commands

Number of read times.

Example: 488

host write commands

Number of write times.

Example: 0

controller busy time

Busy period of the controller. Unit: minute

Example: 0 mins

power cycles

Number of power-ons.

Example: 2 times

power on hours

Power-on period.

Example: 0 h

unsafe shutdowns

Number of unsafe shutdowns.

Example: 0 times

media and data integrity errors

Number of data errors.

Example: 0

number of error information log entries

Number of error log entries.

Example: 0

warning composite temperature time

Minor composite temperature alarm time.

Example: 5 mins

critical composite temperature time

Critical composite temperature alarm time.

Example: 5 mins

data status

Data health status. Values are as follows:

  • OK: The status is normal.
  • need recovery: Data needs to be restored.

Example: OK

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Updated: 2019-03-12

Document ID: EDOC1000101091

Views: 57491

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