最終更新:2026-03-14 (土) 13:15:54 (36d)  

smartctl
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sudo smartctl -a -x /dev/disk0 | grep "Data Units"

パッケージ

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Mac mini 

  • smartctl -a /dev/disk0
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MacBook Air (M1, 2020)

  • 2026/03/14 
    === START OF SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

SMART/Health Information (NVMe Log 0x02, NSID 0xffffffff)
Critical Warning:                   0x00
Temperature:                        24 Celsius
Available Spare:                    100%
Available Spare Threshold:          99%
Percentage Used:                    2%
Data Units Read:                    58,566,574 [29.9 TB]
Data Units Written:                 42,986,794 [22.0 TB]
Host Read Commands:                 828,501,351
Host Write Commands:                433,330,104
Controller Busy Time:               0
Power Cycles:                       277
Power On Hours:                     380
Unsafe Shutdowns:                   7
Media and Data Integrity Errors:    0
Error Information Log Entries:      0
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MacBook Air (15-inch, M2, 2023)

  • 2026/03/14 
    === START OF SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

SMART/Health Information (NVMe Log 0x02, NSID 0xffffffff)
Critical Warning:                   0x00
Temperature:                        31 Celsius
Available Spare:                    100%
Available Spare Threshold:          99%
Percentage Used:                    1%
Data Units Read:                    65,270,047 [33.4 TB]
Data Units Written:                 24,446,519 [12.5 TB]
Host Read Commands:                 1,832,350,343
Host Write Commands:                516,308,533
Controller Busy Time:               0
Power Cycles:                       579
Power On Hours:                     511
Unsafe Shutdowns:                   30
Media and Data Integrity Errors:    0
Error Information Log Entries:      0
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