how to check health of SSD being used as cache drive


Go to solution Solved by Michael_P,

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Below is the smart data, it is saying 00% remaining but i hope i am reading it wrong.

smartctl 7.3 2022-02-28 r5338 [x86_64-linux-5.19.17-Unraid] (local build)
Copyright (C) 2002-22, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Family:     Crucial/Micron Client SSDs
Device Model:     Crucial_CT1050MX300SSD1
Serial Number:    164914EE2475
LU WWN Device Id: 5 00a075 114ee2475
Firmware Version: M0CR031
User Capacity:    1,050,214,588,416 bytes [1.05 TB]
Sector Size:      512 bytes logical/physical
Rotation Rate:    Solid State Device
Form Factor:      2.5 inches
TRIM Command:     Available, deterministic, zeroed
Device is:        In smartctl database 7.3/5417
ATA Version is:   ACS-3 T13/2161-D revision 5
SATA Version is:  SATA 3.2, 6.0 Gb/s (current: 3.0 Gb/s)
Local Time is:    Tue Jan 10 14:47:34 2023 EST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
AAM feature is:   Unavailable
APM level is:     254 (maximum performance)
Rd look-ahead is: Enabled
Write cache is:   Enabled
DSN feature is:   Unavailable
ATA Security is:  Disabled, NOT FROZEN [SEC1]
Wt Cache Reorder: Enabled

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

General SMART Values:
Offline data collection status:  (0x04)    Offline data collection activity
                    was suspended by an interrupting command from host.
                    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:         ( 1947) 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:      (   2) minutes.
Extended self-test routine
recommended polling time:      (  10) minutes.
Conveyance self-test routine
recommended polling time:      (   3) minutes.
SCT capabilities:            (0x0035)    SCT Status supported.
                    SCT Feature Control supported.
                    SCT Data Table supported.

SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAGS    VALUE WORST THRESH FAIL RAW_VALUE
  1 Raw_Read_Error_Rate     POSR-K   100   100   000    -    0
  5 Reallocate_NAND_Blk_Cnt -O--CK   100   100   010    -    0
  9 Power_On_Hours          -O--CK   100   100   000    -    45421
 12 Power_Cycle_Count       -O--CK   100   100   000    -    88
171 Program_Fail_Count      -O--CK   100   100   000    -    0
172 Erase_Fail_Count        -O--CK   100   100   000    -    0
173 Ave_Block-Erase_Count   -O--CK   087   087   000    -    200
174 Unexpect_Power_Loss_Ct  -O--CK   100   100   000    -    30
183 SATA_Interfac_Downshift -O--CK   100   100   000    -    0
184 Error_Correction_Count  -O--CK   100   100   000    -    0
187 Reported_Uncorrect      -O--CK   100   100   000    -    0
194 Temperature_Celsius     -O---K   068   047   000    -    32 (Min/Max 14/53)
196 Reallocated_Event_Count -O--CK   100   100   000    -    0
197 Current_Pending_ECC_Cnt -O--CK   100   100   000    -    0
198 Offline_Uncorrectable   ----CK   100   100   000    -    0
199 UDMA_CRC_Error_Count    -O--CK   100   100   000    -    0
202 Percent_Lifetime_Remain ----CK   087   087   001    -    13
206 Write_Error_Rate        -OSR--   100   100   000    -    0
246 Total_LBAs_Written      -O--CK   100   100   000    -    204639999184
247 Host_Program_Page_Count -O--CK   100   100   000    -    6394999975
248 FTL_Program_Page_Count  -O--CK   100   100   000    -    3110043281
180 Unused_Reserve_NAND_Blk PO--CK   000   000   000    -    4434
210 Success_RAIN_Recov_Cnt  -O--CK   100   100   000    -    0
                            ||||||_ K auto-keep
                            |||||__ C event count
                            ||||___ R error rate
                            |||____ S speed/performance
                            ||_____ O updated online
                            |______ P prefailure warning

General Purpose Log Directory Version 1
SMART           Log Directory Version 1 [multi-sector log support]
Address    Access  R/W   Size  Description
0x00       GPL,SL  R/O      1  Log Directory
0x01           SL  R/O      1  Summary SMART error log
0x02           SL  R/O     51  Comprehensive SMART error log
0x03       GPL     R/O  16383  Ext. Comprehensive SMART error log
0x04       GPL,SL  R/O      8  Device Statistics log
0x06           SL  R/O      1  SMART self-test log
0x07       GPL     R/O      1  Extended self-test log
0x09           SL  R/W      1  Selective self-test log
0x10       GPL     R/O      1  NCQ Command Error log
0x11       GPL     R/O      1  SATA Phy Event Counters log
0x13       GPL     R/O      1  SATA NCQ Send and Receive log
0x24       GPL     R/O   8000  Current Device Internal Status Data log
0x25       GPL     R/O   8000  Saved Device Internal Status Data log
0x30       GPL,SL  R/O      9  IDENTIFY DEVICE data log
0x80-0x9f  GPL,SL  R/W     16  Host vendor specific log
0xa0       GPL     VS   35328  Device vendor specific log
0xa1       GPL,SL  VS       3  Device vendor specific log
0xa2       GPL,SL  VS       1  Device vendor specific log
0xa3       GPL     VS   13824  Device vendor specific log
0xa4       GPL     VS     354  Device vendor specific log
0xa4       SL      VS      98  Device vendor specific log
0xa5       GPL     VS    8000  Device vendor specific log
0xa5       SL      VS      64  Device vendor specific log
0xa6       GPL     VS    8000  Device vendor specific log
0xa6       SL      VS      64  Device vendor specific log
0xa7-0xdf  GPL,SL  VS       1  Device vendor specific log
0xe0       GPL,SL  R/W      1  SCT Command/Status
0xe1       GPL,SL  R/W      1  SCT Data Transfer

SMART Extended Comprehensive Error Log Version: 1 (16383 sectors)
No Errors Logged

SMART Extended Self-test Log Version: 1 (1 sectors)
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Vendor (0xff)       Completed without error       00%     45419         -
# 2  Vendor (0xff)       Completed without error       00%     45321         -
# 3  Vendor (0xff)       Completed without error       00%     44821         -
# 4  Vendor (0xff)       Completed without error       00%     44514         -
# 5  Vendor (0xff)       Completed without error       00%     43743         -
# 6  Vendor (0xff)       Completed without error       00%     43023         -
# 7  Vendor (0xff)       Completed without error       00%     42739         -
# 8  Vendor (0xff)       Completed without error       00%     41960         -
# 9  Vendor (0xff)       Completed without error       00%     41150         -
#10  Vendor (0xff)       Completed without error       00%     40362         -
#11  Vendor (0xff)       Completed without error       00%     40251         -
#12  Vendor (0xff)       Completed without error       00%     40162         -
#13  Vendor (0xff)       Completed without error       00%     39395         -
#14  Vendor (0xff)       Completed without error       00%     38618         -
#15  Vendor (0xff)       Completed without error       00%     37790         -
#16  Vendor (0xff)       Completed without error       00%     37015         -
#17  Vendor (0xff)       Completed without error       00%     36190         -
#18  Vendor (0xff)       Completed without error       00%     35378         -
#19  Vendor (0xff)       Completed without error       00%     34598         -

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
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.

SCT Status Version:                  3
SCT Version (vendor specific):       1 (0x0001)
Device State:                        SMART Off-line Data Collection executing in background (4)
Current Temperature:                    32 Celsius
Power Cycle Min/Max Temperature:     20/41 Celsius
Lifetime    Min/Max Temperature:     14/53 Celsius
Under/Over Temperature Limit Count:   0/0

SCT Temperature History Version:     2
Temperature Sampling Period:         1 minute
Temperature Logging Interval:        1 minute
Min/Max recommended Temperature:      0/70 Celsius
Min/Max Temperature Limit:           -5/75 Celsius
Temperature History Size (Index):    478 (14)

Index    Estimated Time   Temperature Celsius
  15    2023-01-10 06:50    27  ********
 ...    ..(  6 skipped).    ..  ********
  22    2023-01-10 06:57    27  ********
  23    2023-01-10 06:58    28  *********
  24    2023-01-10 06:59    28  *********
  25    2023-01-10 07:00    27  ********
  26    2023-01-10 07:01    27  ********
  27    2023-01-10 07:02    28  *********
 ...    ..( 40 skipped).    ..  *********
  68    2023-01-10 07:43    28  *********
  69    2023-01-10 07:44    27  ********
  70    2023-01-10 07:45    28  *********
  71    2023-01-10 07:46    28  *********
  72    2023-01-10 07:47    27  ********
  73    2023-01-10 07:48    28  *********
  74    2023-01-10 07:49    27  ********
 ...    ..(  3 skipped).    ..  ********
  78    2023-01-10 07:53    27  ********
  79    2023-01-10 07:54    28  *********
  80    2023-01-10 07:55    28  *********
  81    2023-01-10 07:56    28  *********
  82    2023-01-10 07:57    27  ********
  83    2023-01-10 07:58    28  *********
 ...    ..( 39 skipped).    ..  *********
 123    2023-01-10 08:38    28  *********
 124    2023-01-10 08:39    27  ********
 125    2023-01-10 08:40    28  *********
 126    2023-01-10 08:41    27  ********
 ...    ..(  6 skipped).    ..  ********
 133    2023-01-10 08:48    27  ********
 134    2023-01-10 08:49    28  *********
 ...    ..( 27 skipped).    ..  *********
 162    2023-01-10 09:17    28  *********
 163    2023-01-10 09:18    27  ********
 164    2023-01-10 09:19    27  ********
 165    2023-01-10 09:20    27  ********
 166    2023-01-10 09:21    28  *********
 167    2023-01-10 09:22    27  ********
 ...    ..(  6 skipped).    ..  ********
 174    2023-01-10 09:29    27  ********
 175    2023-01-10 09:30    28  *********
 176    2023-01-10 09:31    27  ********
 177    2023-01-10 09:32    28  *********
 ...    ..( 32 skipped).    ..  *********
 210    2023-01-10 10:05    28  *********
 211    2023-01-10 10:06    27  ********
 212    2023-01-10 10:07    27  ********
 213    2023-01-10 10:08    28  *********
 214    2023-01-10 10:09    27  ********
 215    2023-01-10 10:10    27  ********
 216    2023-01-10 10:11    28  *********
 217    2023-01-10 10:12    28  *********
 218    2023-01-10 10:13    27  ********
 ...    ..(  2 skipped).    ..  ********
 221    2023-01-10 10:16    27  ********
 222    2023-01-10 10:17    28  *********
 223    2023-01-10 10:18    28  *********
 224    2023-01-10 10:19    28  *********
 225    2023-01-10 10:20    27  ********
 226    2023-01-10 10:21    27  ********
 227    2023-01-10 10:22    28  *********
 ...    ..( 25 skipped).    ..  *********
 253    2023-01-10 10:48    28  *********
 254    2023-01-10 10:49    27  ********
 ...    ..( 32 skipped).    ..  ********
 287    2023-01-10 11:22    27  ********
 288    2023-01-10 11:23    28  *********
 289    2023-01-10 11:24    27  ********
 290    2023-01-10 11:25    27  ********
 291    2023-01-10 11:26    28  *********
 292    2023-01-10 11:27    28  *********
 293    2023-01-10 11:28    27  ********
 ...    ..( 10 skipped).    ..  ********
 304    2023-01-10 11:39    27  ********
 305    2023-01-10 11:40     ?  -
 306    2023-01-10 11:41     ?  -
 307    2023-01-10 11:42    21  **
 308    2023-01-10 11:43    21  **
 309    2023-01-10 11:44    21  **
 310    2023-01-10 11:45    22  ***
 311    2023-01-10 11:46    23  ****
 312    2023-01-10 11:47    22  ***
 ...    ..(  3 skipped).    ..  ***
 316    2023-01-10 11:51    22  ***
 317    2023-01-10 11:52    23  ****
 ...    ..(  8 skipped).    ..  ****
 326    2023-01-10 12:01    23  ****
 327    2023-01-10 12:02    24  *****
 ...    ..(  8 skipped).    ..  *****
 336    2023-01-10 12:11    24  *****
 337    2023-01-10 12:12    25  ******
 ...    ..( 19 skipped).    ..  ******
 357    2023-01-10 12:32    25  ******
 358    2023-01-10 12:33    26  *******
 359    2023-01-10 12:34    25  ******
 360    2023-01-10 12:35    26  *******
 ...    ..(114 skipped).    ..  *******
 475    2023-01-10 14:30    26  *******
 476    2023-01-10 14:31    30  ***********
 477    2023-01-10 14:32    32  *************
   0    2023-01-10 14:33    28  *********
 ...    ..(  9 skipped).    ..  *********
  10    2023-01-10 14:43    28  *********
  11    2023-01-10 14:44    27  ********
 ...    ..(  2 skipped).    ..  ********
  14    2023-01-10 14:47    27  ********

SCT Error Recovery Control command not supported

Device Statistics (GP Log 0x04)
Page  Offset Size        Value Flags Description
0x01  =====  =               =  ===  == General Statistics (rev 1) ==
0x01  0x008  4              88  ---  Lifetime Power-On Resets
0x01  0x010  4           45421  ---  Power-on Hours
0x01  0x018  6    204639999184  ---  Logical Sectors Written
0x01  0x020  6       327334226  ---  Number of Write Commands
0x01  0x028  6    468898091376  ---  Logical Sectors Read
0x01  0x030  6       575999860  ---  Number of Read Commands
0x04  =====  =               =  ===  == General Errors Statistics (rev 1) ==
0x04  0x008  4               0  ---  Number of Reported Uncorrectable Errors
0x04  0x010  4             252  ---  Resets Between Cmd Acceptance and Completion
0x05  =====  =               =  ===  == Temperature Statistics (rev 1) ==
0x05  0x008  1              32  ---  Current Temperature
0x05  0x010  1              34  ---  Average Short Term Temperature
0x05  0x018  1               -  ---  Average Long Term Temperature
0x05  0x020  1              53  ---  Highest Temperature
0x05  0x028  1              14  ---  Lowest Temperature
0x05  0x030  1              39  ---  Highest Average Short Term Temperature
0x05  0x038  1              19  ---  Lowest Average Short Term Temperature
0x05  0x040  1               -  ---  Highest Average Long Term Temperature
0x05  0x048  1               -  ---  Lowest Average Long Term Temperature
0x05  0x050  4               0  ---  Time in Over-Temperature
0x05  0x058  1              70  ---  Specified Maximum Operating Temperature
0x05  0x060  4               0  ---  Time in Under-Temperature
0x05  0x068  1               0  ---  Specified Minimum Operating Temperature
0x06  =====  =               =  ===  == Transport Statistics (rev 1) ==
0x06  0x008  4             291  ---  Number of Hardware Resets
0x06  0x010  4             112  ---  Number of ASR Events
0x06  0x018  4               0  ---  Number of Interface CRC Errors
0x07  =====  =               =  ===  == Solid State Device Statistics (rev 1) ==
0x07  0x008  1              13  N--  Percentage Used Endurance Indicator
                                |||_ C monitored condition met
                                ||__ D supports DSN
                                |___ N normalized value

Pending Defects log (GP Log 0x0c) not supported

SATA Phy Event Counters (GP Log 0x11)
ID      Size     Value  Description
0x0001  4            0  Command failed due to ICRC error
0x000a  4            3  Device-to-host register FISes sent due to a COMRESET

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