8g 256g m1 MacBook Air，才用了一个月，硬盘写入已经 22TB+了，你们的多少了？

@aero99 后来你怎么查到的，我的和你第一次回复显示一样 :(

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

SMART/Health Information (NVMe Log 0x02)
Critical Warning: 0x00
Temperature: 30 Celsius
Available Spare: 100%
Available Spare Threshold: 99%
Percentage Used: 0%
Data Units Read: 12,968,462 [6.63 TB]
Data Units Written: 11,079,909 [5.67 TB]
Host Read Commands: 229,341,699
Host Write Commands: 238,139,821
Controller Busy Time: 0
Power Cycles: 105
Power On Hours: 286
Unsafe Shutdowns: 9
Media and Data Integrity Errors: 0
Error Information Log Entries: 0

Read Error Information Log failed: NVMe admin command:0x02/page:0x01 is not supported

```

since 2019 年双十二

16G M1 MBA 使用 1 个月

Data Units Read: 4,487,845 [2.29 TB]
Data Units Written: 2,728,995 [1.39 TB]

16G M1 mba 办公主力电脑使用 2 个月

Available Spare: 100%
Available Spare Threshold: 99%
Percentage Used: 0%
Data Units Read: 6,162,743 [3.15 TB]
Data Units Written: 2,923,076 [1.49 TB]

使用一个月读写均不到 1t

@ohiu 后来，我换了一台 M1 的 MBA 查到的，之前查的是 Mac mini :)

8G+256G 2021.2 购入
SMART/Health Information (NVMe Log 0x02)
Critical Warning: 0x00
Temperature: 29 Celsius
Available Spare: 100%
Available Spare Threshold: 99%
Percentage Used: 0%
Data Units Read: 3,398,410 [1.73 TB]
Data Units Written: 1,609,944 [824 GB]
Host Read Commands: 35,599,006
Host Write Commands: 17,959,302
Controller Busy Time: 0
Power Cycles: 111
Power On Hours: 19
Unsafe Shutdowns: 8
Media and Data Integrity Errors: 0
Error Information Log Entries: 0

Mac mini 16+256 使用 50+天，安装系统至雷电 3 硬盘盒外接的 1T SN550 上面

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

SMART/Health Information (NVMe Log 0x02)
Critical Warning: 0x00
Temperature: 54 Celsius
Available Spare: 100%
Available Spare Threshold: 10%
Percentage Used: 0%
Data Units Read: 28,979,369 [14.8 TB]
Data Units Written: 25,428,837 [13.0 TB]
Host Read Commands: 227,915,590
Host Write Commands: 130,013,065
Controller Busy Time: 637
Power Cycles: 8,387
Power On Hours: 1,437
Unsafe Shutdowns: 91
Media and Data Integrity Errors: 0
Error Information Log Entries: 1
Warning Comp. Temperature Time: 0
Critical Comp. Temperature Time: 0

Error Information (NVMe Log 0x01, 16 of 256 entries)
No Errors Logged

入手十天，写入 3.2TB 。。。。离谱

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

SMART/Health Information (NVMe Log 0x02)
Critical Warning: 0x00
Temperature: 30 Celsius
Available Spare: 100%
Available Spare Threshold: 99%
Percentage Used: 0%
Data Units Read: 8,368,693 [4.28 TB]
Data Units Written: 6,260,710 [3.20 TB]
Host Read Commands: 59,740,309
Host Write Commands: 26,923,373
Controller Busy Time: 0
Power Cycles: 86
Power On Hours: 30
Unsafe Shutdowns: 3
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

Data Units Read: 49,289,445 [25.2 TB]
Data Units Written: 40,764,293 [20.8 TB]
将将一个半月

自用 Macmini ，使用一个半月，情况如下：


SMART/Health Information (NVMe Log 0x02)
Critical Warning: 0x00
Temperature: 17 Celsius
Available Spare: 100%
Available Spare Threshold: 99%
Percentage Used: 0%
Data Units Read: 3,529,668 [1.80 TB]
Data Units Written: 1,590,388 [814 GB]
Host Read Commands: 66,621,213
Host Write Commands: 33,479,386
Controller Busy Time: 0
Power Cycles: 80
Power On Hours: 37
Unsafe Shutdowns: 7
Media and Data Integrity Errors: 0
Error Information Log Entries: 0


感觉我的还好，可能是我用的比较少，我办公室用的是公司的电脑，Macmini 只在家里使用，工作日的话，也就晚上玩玩

4 个月的样子，m1 air 16g

SMART/Health Information (NVMe Log 0x02)
Critical Warning: 0x00
Temperature: 29 Celsius
Available Spare: 100%
Available Spare Threshold: 99%
Percentage Used: 0%
Data Units Read: 19,424,798 [9.94 TB]
Data Units Written: 17,606,245 [9.01 TB]
Host Read Commands: 171,954,199
Host Write Commands: 100,147,921
Controller Busy Time: 0
Power Cycles: 103
Power On Hours: 141
Unsafe Shutdowns: 5
Media and Data Integrity Errors: 0
Error Information Log Entries: 0

应该和内存大小有比较大的关系，16 寸 32G M1 Pro 用了三个多月的数据，不知道现在苹果修复了这个问题没有，
=== START OF SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

SMART/Health Information (NVMe Log 0x02)
Critical Warning: 0x00
Temperature: 30 Celsius
Available Spare: 100%
Available Spare Threshold: 99%
Percentage Used: 0%
Data Units Read: 22,430,467 [11.4 TB]
Data Units Written: 12,101,292 [6.19 TB]
Host Read Commands: 1,024,686,876
Host Write Commands: 238,753,402
Controller Busy Time: 0
Power Cycles: 189
Power On Hours: 339
Unsafe Shutdowns: 3
Media and Data Integrity Errors: 0
Error Information Log Entries: 0

16 + 256
4 天：

Data Units Read: 487,857 [249 GB]
Data Units Written: 350,693 [179 GB]

楼主还在不，硬盘信息能更新一下吗？

@INFP #256 air 已经卖了换 m1 pro 了 😂 补个用了 8 个月的 32g m1 pro 吧，明显比 8g 的 m1 好多了

Critical Warning: 0x00
Temperature: 38 Celsius
Available Spare: 100%
Available Spare Threshold: 10%
Percentage Used: 11%
Data Units Read: 266,205,699 [136 TB]
Data Units Written: 244,184,025 [125 TB]
Host Read Commands: 8,204,128,057
Host Write Commands: 4,329,084,634
Controller Busy Time: 11,769
Power Cycles: 46,140
Power On Hours: 7,056
Unsafe Shutdowns: 116
Media and Data Integrity Errors: 0
Error Information Log Entries: 1

Error Information (NVMe Log 0x01, 16 of 64 entries)
Num ErrCount SQId CmdId Status PELoc LBA NSID VS
0 1 0 0x0010 0x4212 0x028 0 - -

买的二手 17 年 MBP ，没看懂 Available Spare Threshold 这个值，有的用户 99%，有的用户 10%（比如我），到底哪个是寿命百分比。

使用了快 10 年的 MacBook2015 款：

```shell
SMART Attributes Data Structure revision number: 1
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x001a 200 200 000 Old_age Always - 0
5 Reallocated_Sector_Ct 0x0033 100 100 000 Pre-fail Always - 0
9 Power_On_Hours 0x0032 098 098 000 Old_age Always - 5862
12 Power_Cycle_Count 0x0032 083 083 000 Old_age Always - 16289
169 Unknown_Apple_Attrib 0x0013 200 200 010 Pre-fail Always - 2461104341952
173 Wear_Leveling_Count 0x0032 187 187 100 Old_age Always - 893380526368
174 Host_Reads_MiB 0x0022 099 099 000 Old_age Always - 37162761
175 Host_Writes_MiB 0x0022 099 099 000 Old_age Always - 31661089
192 Power-Off_Retract_Count 0x0012 099 099 000 Old_age Always - 155
194 Temperature_Celsius 0x0022 064 017 000 Old_age Always - 36 (Min/Max 7/83)
197 Current_Pending_Sector 0x0022 100 100 000 Old_age Always - 0
199 UDMA_CRC_Error_Count 0x001a 200 200 000 Old_age Always - 0

SMART Error Log Version: 1
No Errors Logged
```

m2 芯片吗？