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I feel that it would be awesome if there were more listed known S.M.A.R.T. attributes. I have a Helium filled hard drive and I feel that attribute would be beneficial to all of us that use helium filled hard drives.

S.M.A.R.T. attribute 22 Helium_Level            0x0023   100   100   025    Pre-fail  Always       -       100

C:\Program Files\smartmontools for Windows\bin>smartctl −a /dev/sda
smartctl 6.6 2017-11-05 r4594 [x86_64-w64-mingw32-w10-b17134] (sf-6.6-1)
Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org

Model Family:     HGST Ultrastar He6
Device Model:     HGST HUS726060ALA640
Serial Number:    AR31051EJ5LATJ
LU WWN Device Id: 5 000cca 232deb9bd
Firmware Version: AHGNT1EN
User Capacity:    6,001,175,126,016 bytes [6.00 TB]
Sector Size:      512 bytes logical/physical
Rotation Rate:    7200 rpm
Form Factor:      3.5 inches
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   ACS-2, ATA8-ACS T13/1699-D revision 4
SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is:    Fri Jan 18 18:01:06 2019 EST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

SMART overall-health self-assessment test result: PASSED

General SMART Values:
Offline data collection status:  (0x80) Offline data collection activity
                                        was never started.
                                        Auto Offline Data Collection: Enabled.
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:                (   57) seconds.
Offline data collection
capabilities:                    (0x5b) SMART execute Offline immediate.
                                        Auto Offline data collection on/off support.
                                        Suspend Offline collection upon new
                                        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:        (1053) 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: 16
Vendor Specific SMART Attributes with Thresholds:
  1 Raw_Read_Error_Rate     0x000b   100   100   016    Pre-fail  Always       -       0
  2 Throughput_Performance  0x0005   132   132   054    Pre-fail  Offline      -       84
  3 Spin_Up_Time            0x0007   223   223   024    Pre-fail  Always       -       475 (Average 419)
  4 Start_Stop_Count        0x0012   100   100   000    Old_age   Always       -       253
  5 Reallocated_Sector_Ct   0x0033   100   100   005    Pre-fail  Always       -       0
  7 Seek_Error_Rate         0x000b   100   100   067    Pre-fail  Always       -       0
  8 Seek_Time_Performance   0x0005   130   130   020    Pre-fail  Offline      -       12
  9 Power_On_Hours          0x0012   099   099   000    Old_age   Always       -       11042
 10 Spin_Retry_Count        0x0013   100   100   060    Pre-fail  Always       -       0
 12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       253
 22 Helium_Level            0x0023   100   100   025    Pre-fail  Always       -       100
192 Power-Off_Retract_Count 0x0032   100   100   000    Old_age   Always       -       678
193 Load_Cycle_Count        0x0012   100   100   000    Old_age   Always       -       678
194 Temperature_Celsius     0x0002   214   214   000    Old_age   Always       -       28 (Min/Max 20/38)
196 Reallocated_Event_Count 0x0032   100   100   000    Old_age   Always       -       0
197 Current_Pending_Sector  0x0022   100   100   000    Old_age   Always       -       0
198 Offline_Uncorrectable   0x0008   100   100   000    Old_age   Offline      -       0
199 UDMA_CRC_Error_Count    0x000a   200   200   000    Old_age   Always       -       0

SMART Error Log Version: 1
No Errors Logged

SMART Self-test log structure revision number 1
No self-tests have been logged.  [To run self-tests, use: smartctl -t]

SMART Selective self-test log data structure revision number 1
    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.

As you can see, there is already a tool that lists it for me and it would be great if you can do the same.


Smart 22.txt

smart 22.jpg

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the trouble with SMART data is each manufacturer follows their own standards.
so a threshold on a Western Digital can be different on a Seagate drive.

I looked into this about a year ago now and from memory even the ID categories were not standardised.

Backup now & backup often.
It's your digital life - protect it with a backup.
Three things are certain; Birth, Death and loss of data. You control the last.

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Depends upon the S.M.A.R.T. program, some can give incorrect information by stating pre-failure and old-age, even on a brand new drive, or have alarms go off that failure is imminent and the disk keeps working without issue for over a decade later.

I personally use a few other programs that have S.M.A.R.T. built in for second or third, etc., opinions. A good start is with CrystalDiskInfo Portable. Something more extensive that can also run hard drive confidence scan tests is GSmartControl.

Like mta stated nothing is standardized on drives. Some will only run a Short self-test, then when attempting to manually run a longer Extended self-test it doesn't work correctly or fast enough on some drives (Samsung 860 Evo SSD comes to mind). Although Windows is usually pretty good at giving warnings during boot/startup of failures even back to the WinXP era.

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This is true, however it will be great if this program can read more smart codes then it does now. Yes I use more than one program to read smart data but only one that I found that will read S.M.A.R.T. attribute 22 Helium_Level is the one I listed above.

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