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My MacBook Air (M1, 2020): === START OF SMART DATA SECTION === SMART overall-health self-assessment test result: PASSED SMART/Health Information (

My MacBook Air (M1, 2020): === START OF SMART DATA SECTION === SMART overall-health self-assessment test result: PASSED SMART/Health Information (NVMe Log 0x02) Critical Warning: 0x00 Temperature: 32 Celsius Available Spare: 100% Available Spare Threshold: 99% Percentage Used: 1% Data Units Read: 8,843,213 [4.52 TB] Data Units Written: 12,256,532 [6.27 TB] Host Read Commands: 229,897,011 Host Write Commands: 452,963,852 Controller Busy Time: 0 Power Cycles: 208 Power On Hours: 258 Unsafe Shutdowns: 3 Media and Data Integrity Errors: 0 Error Information Log Entries: 0 Seems fine to me!

cool_hw 4y ago
As I shared in another post, compared to my linux machine, most of the posts, including yours, have atleast 5x-10x the usage. I understand that disk usage can vary wildly, but the linux machine I'm comparing with has been used through the work week for the past 6 years with VMs/docker and other large files.
- matai_kolila 4y ago
  Honestly I’ll probably replace this computer much before this becomes an issue.
  - cool_hw 4y ago
    I think most folks will.
- nieve 4y ago
  On the other hand my linux Thinkpad has worryingly high numbers: Available Spare: 100% Available Spare Threshold: 10% Percentage Used: 6% Data Units Read: 123,210,825 [63.0 TB] Data Units Written: 59,502,097 [30.4 TB] Host Read Commands: 1,335,288,785 Host Write Commands: 740,649,667 Controller Busy Time: 3,494 Power Cycles: 3,069 Power On Hours: 5,339 Unsafe Shutdowns: 155
  - cool_hw 4y ago
    Power On Hours seem to indicate the disk has been on for a good chunk of time, so I would think you're doing fine. Percentage used says 6%, so that seems decent too. What model SSD is this?

cool_hw 4y ago

As I shared in another post, compared to my linux machine, most of the posts, including yours, have atleast 5x-10x the usage. I understand that disk usage can vary wildly, but the linux machine I'm comparing with has been used through the work week for the past 6 years with VMs/docker and other large files.

matai_kolila 4y ago
Honestly I’ll probably replace this computer much before this becomes an issue.
- cool_hw 4y ago
  I think most folks will.
nieve 4y ago
On the other hand my linux Thinkpad has worryingly high numbers: Available Spare: 100% Available Spare Threshold: 10% Percentage Used: 6% Data Units Read: 123,210,825 [63.0 TB] Data Units Written: 59,502,097 [30.4 TB] Host Read Commands: 1,335,288,785 Host Write Commands: 740,649,667 Controller Busy Time: 3,494 Power Cycles: 3,069 Power On Hours: 5,339 Unsafe Shutdowns: 155
- cool_hw 4y ago
  Power On Hours seem to indicate the disk has been on for a good chunk of time, so I would think you're doing fine. Percentage used says 6%, so that seems decent too. What model SSD is this?