smartctl 6.6 2017-11-05 r4594 [x86_64-linux-4.14.14-1-ARCH] (local build)
Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Family:     Samsung based SSDs
Device Model:     SAMSUNG MZ7LN256HCHP-000L7
Serial Number:    S20HNXBG777995
LU WWN Device Id: 5 002538 d00000000
Firmware Version: EMT03L6Q
User Capacity:    256,060,514,304 bytes [256 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:    Thu Jan 25 13:59:38 2018 CET
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

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

General SMART Values:
Offline data collection status:  (0x00)	Offline data collection activity
					was never started.
					Auto Offline Data Collection: Disabled.
Self-test execution status:      ( 249)	Self-test routine in progress...
					90% of test remaining.
Total time to complete Offline
data collection: 		(    0) seconds.
Offline data collection
capabilities: 			 (0x53) SMART execute Offline immediate.
					Auto Offline data collection on/off support.
					Suspend Offline collection upon new
					command.
					No Offline surface scan supported.
					Self-test supported.
					No Conveyance Self-test supported.
					Selective Self-test supported.
SMART capabilities:            (0x0003)	Saves SMART data before entering
					power-saving mode.
					Supports SMART auto save timer.
Error logging capability:        (0x01)	Error logging supported.
					General Purpose Logging supported.
Short self-test routine
recommended polling time: 	 (   2) minutes.
Extended self-test routine
recommended polling time: 	 ( 133) minutes.
SCT capabilities: 	       (0x003d)	SCT Status supported.
					SCT Error Recovery Control supported.
					SCT Feature Control supported.
					SCT Data Table supported.

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   099   099   000    Old_age   Always       -       1939
 12 Power_Cycle_Count       0x0032   099   099   000    Old_age   Always       -       616
170 Unused_Rsvd_Blk_Ct_Chip 0x0032   100   100   010    Old_age   Always       -       0
171 Program_Fail_Count_Chip 0x0032   100   100   010    Old_age   Always       -       0
172 Erase_Fail_Count_Chip   0x0032   100   100   010    Old_age   Always       -       0
173 Wear_Leveling_Count     0x0033   098   098   005    Pre-fail  Always       -       23
174 Unexpect_Power_Loss_Ct  0x0032   099   099   000    Old_age   Always       -       62
178 Used_Rsvd_Blk_Cnt_Chip  0x0013   100   100   010    Pre-fail  Always       -       0
180 Unused_Rsvd_Blk_Cnt_Tot 0x0013   100   100   010    Pre-fail  Always       -       760
184 End-to-End_Error        0x0033   100   100   097    Pre-fail  Always       -       0
187 Uncorrectable_Error_Cnt 0x0032   100   100   000    Old_age   Always       -       0
194 Temperature_Celsius     0x0032   065   053   000    Old_age   Always       -       35
199 CRC_Error_Count         0x003e   100   100   000    Old_age   Always       -       0
233 Media_Wearout_Indicator 0x0013   098   098   000    Pre-fail  Always       -       16584277
241 Total_LBAs_Written      0x0032   099   099   000    Old_age   Always       -       2970
242 Total_LBAs_Read         0x0032   099   099   000    Old_age   Always       -       5443
249 Unknown_Samsung_Attr    0x0032   099   099   000    Old_age   Always       -       5888

SMART Error Log Version: 1
No Errors Logged

Warning! SMART Self-Test Log Structure error: invalid SMART checksum.
SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Short offline       Completed without error       00%      1939         -

Warning! SMART Selective Self-Test Log Structure error: invalid SMART checksum.
SMART Selective self-test log data structure revision number 1
 SPAN    MIN_LBA    MAX_LBA  CURRENT_TEST_STATUS
    1          0          0  Not_testing
    2          0          0  Not_testing
    3          0          0  Not_testing
    4          0          0  Not_testing
    5          0          0  Not_testing
  255  129503232  129568767  Read_scanning was never started
Selective self-test flags (0x0):
  After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.