Re: BTRFS partition corrupted after deleting files in /home

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On 1/13/21 10:41 AM, Sreyan Chakravarty wrote:

Here is the output of:

# smartctl -Ax /dev/sda

https://pastebin.com/raw/GrgrQrSf

I have no idea what it means.


Error 5 [0] occurred at disk power-on lifetime: 1399 hours (58 days + 7 hours)
  When the command that caused the error occurred, the device was active or idle.

  After command completion occurred, registers were:
  ER -- ST COUNT  LBA_48  LH LM LL DV DC
  -- -- -- == -- == == == -- -- -- -- --
  10 -- 41 05 40 00 00 60 d9 6e 08 00 00  Error: IDNF at LBA = 0x60d96e08 = 1624862216


This is a bit strange, IDNF= id not found, at an LBA that is inside the disk capacity.


Error 3 [2] occurred at disk power-on lifetime: 548 hours (22 days + 20 hours)
  When the command that caused the error occurred, the device was active or idle.

  After command completion occurred, registers were:
  ER -- ST COUNT  LBA_48  LH LM LL DV DC
  -- -- -- == -- == == == -- -- -- -- --
  40 -- 41 00 20 00 00 26 8f fa 60 06 00  Error: WP at LBA = 0x268ffa60 = 646969952


This one instead is saying WP= write protected, also a bit strange.

Maybe there is something wrong with the drive electronics (unstable power) or firmware bugs.
Or maybe they are just a symptom of something happening while working (cable disconnection).

There is no sign instead of physical problems, since these counters are well fixed at 0:

196 Reallocated_Event_Count -O--CK   100   100   000    -    0
197 Current_Pending_Sector  -O--CK   100   100   000    -    0
198 Offline_Uncorrectable   ----CK   100   100   000    -    0

These above are the ones you should worry about a mechanically failing drive.

Regards.

--
   Roberto Ragusa    mail at robertoragusa.it
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