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smartmontools

Last updated at Posted at 2022-11-02

smatrmontools is 何?

Smartmontools は、ハードディスクドライブ (HDD) やソリッドステートドライブ (SSD) などのストレージデバイスの自己診断機能である S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) を利用するためのコマンドラインツールです。

インストール

% brew install smartmontools

smartmon コマンド実行

% smartctl -a /dev/disk0

/dev/disk0 の部分は環境による。
diskutil list で調べるなどする。

怒られるなどした場合

Error: You have not agreed to the Xcode license. Please resolve this by running:
  sudo xcodebuild -license accept
 % sudo xcodebuild -license accept
Password:
xcode-select: Failed to locate 'clang', requesting installation of command line developer tools.

こちらはグラフィカルなインストール画面が出る。

MacBook Air 2020 (CPU Apple Silicon M1 / RAM 16GB / SSD 2TB)

=== START OF INFORMATION SECTION ===
Model Number:                       APPLE SSD AP2048Q
Local Time is:                      Wed Nov  2 07:56:20 2022 JST

SMART/Health Information (NVMe Log 0x02)
Critical Warning:                   0x00
Temperature:                        38 Celsius
Available Spare:                    100%
Available Spare Threshold:          99%
Percentage Used:                    4%
Data Units Read:                    497,141,600 [254 TB]
Data Units Written:                 370,951,741 [189 TB]

書き込み回数(総書き込み量 ÷ ストレージ容量): 94.5回

MacBook Pro 2019 (CPU Intel Core i9 / RAM 64GB / SSD 1TB)

=== START OF INFORMATION SECTION ===
Model Number:                       APPLE SSD AP1024N
Local Time is:                      Wed Nov  2 08:14:33 2022 JST

SMART/Health Information (NVMe Log 0x02)
Critical Warning:                   0x00
Temperature:                        36 Celsius
Available Spare:                    100%
Available Spare Threshold:          99%
Percentage Used:                    1%
Data Units Read:                    243,942,751 [124 TB]
Data Units Written:                 185,837,203 [95.1 TB]

書き込み回数(総書き込み量 ÷ ストレージ容量): 95.1回

MacBook Air 2019 ( CPU Intel Core i7 / RAM 16GB / SSD 2TB)

=== START OF INFORMATION SECTION ===
Model Number:                       APPLE SSD AP2048N
Local Time is:                      Wed Nov  2 10:18:50 2022 JST

SMART/Health Information (NVMe Log 0x02)
Critical Warning:                   0x00
Temperature:                        47 Celsius
Available Spare:                    100%
Available Spare Threshold:          99%
Percentage Used:                    3%
Data Units Read:                    281,351,755 [144 TB]
Data Units Written:                 259,379,015 [132 TB]
Host Read Commands:                 3,653,418,874
Host Write Commands:                2,591,475,276

書き込み回数(総書き込み量 ÷ ストレージ容量): 66回

MacBookPro M1 MAX 2021 (CPU Apple Silicon M1MAX / RAM 64GB / SSD 4TB)

% smartctl -a /dev/disk0
smartctl 7.4 2023-08-01 r5530 [Darwin 24.4.0 arm64] (local build)
Copyright (C) 2002-23, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Number:                       APPLE SSD AP4096R
Serial Number:                      0ba019116210ac04
Firmware Version:                   532.100.
PCI Vendor/Subsystem ID:            0x106b
IEEE OUI Identifier:                0x000000
Controller ID:                      0
NVMe Version:                       <1.2
Number of Namespaces:               3
Local Time is:                      Sat Apr 26 15:52:37 2025 JST
Firmware Updates (0x02):            1 Slot
Optional Admin Commands (0x0004):   Frmw_DL
Optional NVM Commands (0x0004):     DS_Mngmt
Maximum Data Transfer Size:         256 Pages

Supported Power States
St Op     Max   Active     Idle   RL RT WL WT  Ent_Lat  Ex_Lat
 0 +     0.00W       -        -    0  0  0  0        0       0

=== START OF SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

SMART/Health Information (NVMe Log 0x02)
Critical Warning:                   0x00
Temperature:                        33 Celsius
Available Spare:                    100%
Available Spare Threshold:          99%
Percentage Used:                    4%
Data Units Read:                    655,596,274 [335 TB]
Data Units Written:                 335,931,062 [171 TB]
Host Read Commands:                 15,723,073,828
Host Write Commands:                10,994,436,333
Controller Busy Time:               0
Power Cycles:                       380
Power On Hours:                     6,813
Unsafe Shutdowns:                   23
Media and Data Integrity Errors:    0
Error Information Log Entries:      0

Read 1 entries from Error Information Log failed: GetLogPage failed: system=0x38, sub=0x0, code=745

書き込み回数(総書き込み量 ÷ ストレージ容量): 42.75回

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