如何查看 macbook 磁盘 BTW
安装工具
$ brew install smartmontools
查看磁盘分区
$ diskutil list
/dev/disk0 (internal):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme 500.3 GB disk0
1: Apple_APFS_ISC 524.3 MB disk0s1
2: Apple_APFS Container disk3 494.4 GB disk0s2
3: Apple_APFS_Recovery 5.4 GB disk0s3
/dev/disk3 (synthesized):
#: TYPE NAME SIZE IDENTIFIER
0: APFS Container Scheme - +494.4 GB disk3
Physical Store disk0s2
1: APFS Volume Macintosh HD 15.3 GB disk3s1
2: APFS Snapshot com.apple.os.update-... 15.3 GB disk3s1s1
3: APFS Volume Preboot 221.2 MB disk3s2
4: APFS Volume Recovery 1.0 GB disk3s3
5: APFS Volume Data 94.2 GB disk3s5
6: APFS Volume VM 1.1 GB disk3s6
反正就这么一个盘,直接查设备就可以了:
$ smartctl -a /dev/disk0
输出
smartctl 7.2 2020-12-30 r5155 [Darwin 20.6.0 arm64] (local build)
Copyright (C) 2002-20, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Number: APPLE SSD AP0512Q
Serial Number: abcdefg
Firmware Version: 2.120.4
PCI Vendor/Subsystem ID: 0x106b
IEEE OUI Identifier: 0x000000
Controller ID: 0
NVMe Version: <1.2
Number of Namespaces: 3
Local Time is: Mon Sep 13 22:21:52 2021 CST
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: 36 Celsius
Available Spare: 100%
Available Spare Threshold: 99%
Percentage Used: 0%
Data Units Read: 1,544,014 [790 GB]
Data Units Written: 1,144,837 [586 GB]
Host Read Commands: 23,670,787
Host Write Commands: 23,107,759
Controller Busy Time: 0
Power Cycles: 160
Power On Hours: 32
Unsafe Shutdowns: 6
Media and Data Integrity Errors: 0
Error Information Log Entries: 0
Data Units Written
总写入量 586 GB,电脑用了大概两周。一切才刚刚开始。