paul@xxxx:~$ sudo smartctl -a /dev/sda|less
[sudo] password for paul:
smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.15.0-34-generic] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Device Model:     ZOTAC ZTSSD-A4P-120G
Serial Number:    E7CB07580E0B00221397
Firmware Version: S9FM02.2
User Capacity:    120,034,123,776 bytes [120 GB]
Sector Size:      512 bytes logical/physical
Rotation Rate:    Solid State Device
Form Factor:      2.5 inches
Device is:        Not in smartctl database [for details use: -P showall]
ATA Version is:   ACS-3 (minor revision not indicated)
SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is:    Tue Sep 25 13:25:36 2018 KST
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:      (   0) The previous self-test routine completed
                                        without error or no self-test has ever
                                        been run.
Total time to complete Offline
data collection:                (   30) seconds.
Offline data collection
capabilities:                    (0x7b) SMART execute Offline immediate.
                                        Auto Offline data collection on/off support.
                                        Suspend Offline collection upon new
                                        command.
                                        Offline surface scan supported.
                                        Self-test supported.
                                        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:        (   1) minutes.
Extended self-test routine
recommended polling time:        (   2) minutes.
Conveyance self-test routine
recommended polling time:        (   2) minutes.

SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x000a   100   100   000    Old_age   Always       -       0
  9 Power_On_Hours          0x0012   100   100   000    Old_age   Always       -       20678
 12 Power_Cycle_Count       0x0012   100   100   000    Old_age   Always       -       64
168 Unknown_Attribute       0x0012   100   100   000    Old_age   Always       -       0
170 Unknown_Attribute       0x0013   100   100   010    Pre-fail  Always       -       30
173 Unknown_Attribute       0x0000   100   100   000    Old_age   Offline      -       413335684
192 Power-Off_Retract_Count 0x0012   100   100   000    Old_age   Always       -       6
194 Temperature_Celsius     0x0023   070   070   000    Pre-fail  Always       -       30
196 Reallocated_Event_Count 0x0000   100   100   000    Old_age   Offline      -       0
218 Unknown_Attribute       0x0000   100   100   000    Old_age   Offline      -       0
241 Total_LBAs_Written      0x0012   100   100   000    Old_age   Always       -       4038617

SMART Error Log Version: 1
No Errors Logged

SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline    Completed without error       00%     12457         -

SMART Selective self-test log data structure revision number 0
Note: revision number not 1 implies that no selective self-test has ever been run
 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
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.