Diagnostica di un Hard Disk con smartctl

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Se si ricevono degli errori da smartd, si può indagare se effettivamente ci sono problemi.


Visulizzazione del log degli errori

Se un hdd non ha problemi, il log sarà certamente vuoto: 

sudo smartctl -l error /dev/sda

smartctl version 5.38 [i686-pc-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

=== START OF READ SMART DATA SECTION ===
SMART Error Log Version: 1
No Errors Logged

Questo invece mostra un errore di "Unrecovarable Sector" 

smartctl version 5.38 [i686-pc-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

=== START OF READ SMART DATA SECTION ===
SMART Error Log Version: 1
ATA Error Count: 6 (device log contains only the most recent five errors)
...
Error 6 occurred at disk power-on lifetime: 10662 hours (444 days + 6 hours)
  When the command that caused the error occurred, the device was active or idle
.

  After command completion occurred, registers were:
  ER ST SC SN CL CH DH
  -- -- -- -- -- -- --
  40 51 ba 32 dd 37 e0  Error: UNC 186 sectors at LBA = 0x0037dd32 = 3661106
...

Esecuzione dei Test

Test Veloce

Verifica danni evidenti all'elettronica e meccanica. 

sudo smartctl -t short /dev/sdb
  • Monitorarne l'esecuzione
watch sudo smartctl -l selftest /dev/sdb

smartctl version 5.38 [i686-pc-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

=== START OF READ SMART DATA SECTION ===
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%     10936         -

Test lungo

sudo smartctl -t long /dev/sdb


Riferimenti

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