Subj : Re: Is there a test suite for Pi2/armv7 ?
To   : druck
From : The Natural Philosopher
Date : Wed Jul 17 2024 13:43:07

On 17/07/2024 12:10, druck wrote:
> On 16/07/2024 01:57, Lawrence D'Oliveiro wrote:
>> On 21 Jun 2024 09:08:06 +1000, Computer Nerd Kev wrote:
>>
>>> There's no standard like SMART for them
>>> the SD card controller to report stats back over the card interface.
>>
>> SMART isn’t much use, anyway. I test my storage devices for actual I/O
>> errors.
>
> By the time any type of storage device is reporting errors during actual
> use, it's already in a really bad way, and should have been replaced.
>
> Both spinning discs and flash media are over provisioned with a number
> of spare sectors/blocks which they will silently map in, either over
> sectors which have started giving read errors, or any flash blocks which
> have reached their write limits and could be unreliable.
>
> The SMART information on the drive will tell you when this happens, long
> before the OS finds the disc has started to be come corrupted. Use this
> as the first warning to replace the disc before data loss or complete
> failure.
>
> ---druck
Exactly.
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE
UPDATED  WHEN_FAILED RAW_VALUE
   1 Raw_Read_Error_Rate     0x0032   100   100   050    Old_age
Always       -       0
   5 Reallocated_Sector_Ct   0x0032   100   100   050    Old_age
Always       -       0
   9 Power_On_Hours          0x0032   100   100   050    Old_age
Always       -       23833
  12 Power_Cycle_Count       0x0032   100   100   050    Old_age
Always       -       113
160 Unknown_Attribute       0x0032   100   100   050    Old_age   Always
       -       0
161 Unknown_Attribute       0x0033   100   100   050    Pre-fail  Always
       -       100
163 Unknown_Attribute       0x0032   100   100   050    Old_age   Always
       -       8
164 Unknown_Attribute       0x0032   100   100   050    Old_age   Always
       -       70687
165 Unknown_Attribute       0x0032   100   100   050    Old_age   Always
       -       326
166 Unknown_Attribute       0x0032   100   100   050    Old_age   Always
       -       115
167 Unknown_Attribute       0x0032   100   100   050    Old_age   Always
       -       142
168 Unknown_Attribute       0x0032   100   100   050    Old_age   Always
       -       7000
169 Unknown_Attribute       0x0032   100   100   050    Old_age   Always
       -       98
175 Program_Fail_Count_Chip 0x0032   100   100   050    Old_age   Always
       -       0
176 Erase_Fail_Count_Chip   0x0032   100   100   050    Old_age   Always
       -       0
177 Wear_Leveling_Count     0x0032   100   100   050    Old_age   Always
       -       0
178 Used_Rsvd_Blk_Cnt_Chip  0x0032   100   100   050    Old_age   Always
       -       0
181 Program_Fail_Cnt_Total  0x0032   100   100   050    Old_age   Always
       -       0
182 Erase_Fail_Count_Total  0x0032   100   100   050    Old_age   Always
       -       0
192 Power-Off_Retract_Count 0x0032   100   100   050    Old_age   Always
       -       51
194 Temperature_Celsius     0x0022   100   100   050    Old_age   Always
       -       40
195 Hardware_ECC_Recovered  0x0032   100   100   050    Old_age   Always
       -       1397810
196 Reallocated_Event_Count 0x0032   100   100   050    Old_age   Always
       -       0
197 Current_Pending_Sector  0x0032   100   100   050    Old_age   Always
       -       0
198 Offline_Uncorrectable   0x0032   100   100   050    Old_age   Always
       -       0
199 UDMA_CRC_Error_Count    0x0032   100   100   050    Old_age   Always
       -       0
232 Available_Reservd_Space 0x0032   100   100   050    Old_age   Always
       -       100
241 Total_LBAs_Written      0x0030   100   100   050    Old_age
Offline      -       247432
242 Total_LBAs_Read         0x0030   100   100   050    Old_age
Offline      -       56254
245 Unknown_Attribute       0x0032   100   100   050    Old_age   Always
       -       346410

Raw error read read is there, also something you wouldn't find outside
SMART - reallocated sector count plus erase fail  and wear levelling counts




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