SDD
smartctl -a /dev/disk1 |less
=== START OF INFORMATION SECTION ===
Model Family: Samsung based SSDs
Device Model: Samsung SSD 840 EVO 120GB
Serial Number: S1D5NSAF512477F
LU WWN Device Id: 5 002538 8a042503a
Firmware Version: EXT0BB6Q
User Capacity: 120,034,123,776 bytes [120 GB]
Sector Size: 512 bytes logical/physical
Rotation Rate: Solid State Device
Device is: In smartctl database [for details use: -P show]
ATA Version is: ACS-2, ATA8-ACS T13/1699-D revision 4c
SATA Version is: SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is: Wed May 30 07:37:08 2018 CEST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
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
5 Reallocated_Sector_Ct 0x0033 100 100 010 Pre-fail Always - 0
9 Power_On_Hours 0x0032 093 093 000 Old_age Always - 32676
12 Power_Cycle_Count 0x0032 099 099 000 Old_age Always - 461
177 Wear_Leveling_Count 0x0013 001 001 000 Pre-fail Always - 1236
179 Used_Rsvd_Blk_Cnt_Tot 0x0013 100 100 010 Pre-fail Always - 0
181 Program_Fail_Cnt_Total 0x0032 100 100 010 Old_age Always - 0
182 Erase_Fail_Count_Total 0x0032 100 100 010 Old_age Always - 0
183 Runtime_Bad_Block 0x0013 100 100 010 Pre-fail Always - 0
187 Uncorrectable_Error_Cnt 0x0032 100 100 000 Old_age Always - 0
190 Airflow_Temperature_Cel 0x0032 057 045 000 Old_age Always - 43
195 ECC_Error_Rate 0x001a 200 200 000 Old_age Always - 0
199 CRC_Error_Count 0x003e 100 100 000 Old_age Always - 0
235 POR_Recovery_Count 0x0012 099 099 000 Old_age Always - 416
241 Total_LBAs_Written 0x0032 099 099 000 Old_age Always - 165571405498
brew install smartmontools
https://www.linuxtechi.com/smartctl-monitoring-analysis-tool-hard-drive/
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