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jklp | 3 years ago

2021 16" MacBook Pro, Apple M1 Pro silicon, 16gb / 1TB, purchased March 2021. Personal laptop, super light web dev (hobby projects):

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

    SMART/Health Information (NVMe Log 0x02)
    Critical Warning:                   0x00
    Temperature:                        27 Celsius
    Available Spare:                    100%
    Available Spare Threshold:          99%
    Percentage Used:                    6%
    Data Units Read:                    509,334,138 [260 TB]
    Data Units Written:                 394,959,651 [202 TB]
    Host Read Commands:                 4,719,463,111
    Host Write Commands:                1,312,261,606
    Controller Busy Time:               0
    Power Cycles:                       178
    Power On Hours:                     938
    Unsafe Shutdowns:                   9
    Media and Data Integrity Errors:    0
    Error Information Log Entries:      0

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jklp|3 years ago

An update if people are still watching the thread. Got the following output today (~2 days later):

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

    SMART/Health Information (NVMe Log 0x02)
    Critical Warning:                   0x00
    Temperature:                        28 Celsius
    Available Spare:                    100%
    Available Spare Threshold:          99%
    Percentage Used:                    6%
    Data Units Read:                    510,433,533 [261 TB]
    Data Units Written:                 395,139,884 [202 TB]
    Host Read Commands:                 4,755,060,485
    Host Write Commands:                1,317,327,139
    Controller Busy Time:               0
    Power Cycles:                       180
    Power On Hours:                     944
    Unsafe Shutdowns:                   9
    Media and Data Integrity Errors:    0
    Error Information Log Entries:      0
So looks like my MacBook did an average of 87GB /day over the last 2 days (approx).

Which seems a lot better than the 18 month average, which was 700GB /day.

Hopefully means it's since been fixed, and I haven't destroyed my SSD too much!