From: robin_listas@es.invalid   
      
   On 2025-03-21 15:16, Paul wrote:   
   > On Fri, 3/21/2025 6:51 AM, Carlos E.R. wrote:   
   >> On 2025-03-20 23:01, Lawrence D'Oliveiro wrote:   
   >>> On Thu, 20 Mar 2025 12:24:07 +0100, Carlos E.R. wrote:   
   >>>   
   >>>> On 2025-03-19 22:00, Lawrence D'Oliveiro wrote:   
   >>>>>   
   >>>>> On Wed, 19 Mar 2025 16:05:06 +0000, Ant wrote:   
   >>>>>   
   >>>>>> exFAT can handle bigger files and partitions.   
   >>>>>   
   >>>>> But it doesn’t offer the option for journalling to guard against   
   >>>>> filesystem corruption on crashes or improper removal/shutdown, does it.   
   >>>>   
   >>>> Perfect.   
   >>>>   
   >>>> You do not want journalling on an usb stick or memory card.   
   >>>   
   >>> But SSDs are also built on flash memory technology; do you disable   
   >>> journalling on those as well?   
   >>   
   >> No, they have wear levelling, and an expected lifetime with normal usage   
   patterns that is quite long.   
   >>   
   >   
   > Exactly. SSDs algorithm and processing power (I read of an   
   > SSD yesterday with a five core ARM processor in it), ensures   
   > that the entire wear life of the device (number of cells times cycles)   
   > is harvested. USB sticks don't even come remotely close to that. Some   
   > USB sticks, don't even seem to follow what technical information   
   > is available for them. Either their flash chips are entire crap   
   > (should have been thrown out at flash factory), or, something   
   > is very wrong with the controller.   
      
   I just realized I have an nvme with 72713 hours of use. Probably the first one   
   I bought.   
      
      
   === START OF INFORMATION SECTION ===   
   Model Family:     SandForce Driven SSDs   
   Device Model:     KINGSTON SMS200S3120G   
   Serial Number:    ...   
   LU WWN Device Id: 5 0026b7 26901494e   
   Firmware Version: 608ABBF0   
   User Capacity:    120,034,123,776 bytes [120 GB]   
   Sector Size:      512 bytes logical/physical   
   Rotation Rate:    Solid State Device   
   TRIM Command:     Available   
   Device is:        In smartctl database 7.3/5528   
   ATA Version is:   ATA8-ACS, ACS-2 T13/2015-D revision 3   
   SATA Version is:  SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s)   
   Local Time is:    Sat Mar 22 13:14:02 2025 CET   
   SMART support is: Available - device has SMART capability.   
   SMART support is: Enabled   
      
   ...   
      
   SMART Attributes Data Structure revision number: 10   
   Vendor Specific SMART Attributes with Thresholds:   
   ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED    
   WHEN_FAILED RAW_VALUE   
      1 Raw_Read_Error_Rate     0x0032   095   095   050    Old_age     
   Always       -       0/38481593   
      5 Retired_Block_Count     0x0033   100   100   003    Pre-fail    
   Always       -       0   
      9 Power_On_Hours_and_Msec 0x0032   017   017   000    Old_age     
   Always       -       72713h+43m+19.000s   
     12 Power_Cycle_Count       0x0032   100   100   000    Old_age     
   Always       -       184   
   171 Program_Fail_Count      0x000a   100   100   000    Old_age   Always         
   -       0   
   172 Erase_Fail_Count        0x0032   100   100   000    Old_age   Always         
   -       0   
   174 Unexpect_Power_Loss_Ct  0x0030   000   000   000    Old_age   Offline        
   -       134   
   177 Wear_Range_Delta        0x0000   000   000   000    Old_age   Offline        
   -       1   
   181 Program_Fail_Count      0x000a   100   100   000    Old_age   Always         
   -       0   
   182 Erase_Fail_Count        0x0032   100   100   000    Old_age   Always         
   -       0   
   187 Reported_Uncorrect      0x0012   100   100   000    Old_age   Always         
   -       0   
   189 Airflow_Temperature_Cel 0x0000   045   113   000    Old_age   Offline        
   -       45 (Min/Max 0/113)   
   194 Temperature_Celsius     0x0022   045   113   000    Old_age   Always         
   -       45 (Min/Max 0/113)   
   195 ECC_Uncorr_Error_Count  0x001c   120   120   000    Old_age   Offline        
   -       0/38481593   
   196 Reallocated_Event_Count 0x0033   100   100   003    Pre-fail  Always         
   -       0   
   201 Unc_Soft_Read_Err_Rate  0x001c   120   120   000    Old_age   Offline        
   -       0/38481593   
   204 Soft_ECC_Correct_Rate   0x001c   120   120   000    Old_age   Offline        
   -       0/38481593   
   230 Life_Curve_Status       0x0013   100   100   000    Pre-fail  Always         
   -       100   
   231 SSD_Life_Left           0x0000   094   094   011    Old_age   Offline        
   -       34359738368   
   233 SandForce_Internal      0x0032   000   000   000    Old_age   Always         
   -       40546   
   234 SandForce_Internal      0x0032   000   000   000    Old_age   Always         
   -       14524   
   241 Lifetime_Writes_GiB     0x0032   000   000   000    Old_age   Always         
   -       14524   
   242 Lifetime_Reads_GiB      0x0032   000   000   000    Old_age   Always         
   -       8232   
   244 Unknown_Attribute       0x0000   090   090   010    Old_age   Offline        
   -       20906303   
      
      
   I just run a short test, but it doesn't show - or they count hours differently:   
      
   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%      7178         -   
   # 2  Extended offline    Completed without error       00%      7168         -   
   # 3  Short offline       Completed without error       00%      7166         -   
      
      
      
   --   
   Cheers, Carlos.   
      
   --- SoupGate-DOS v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)