====== Monitorizar discos ======
===== Configurar =====

Instalamos smartmontools
 
Mirar errores:
  smartctl -l error /dev/sda

Hacer test rapido/largo, esperar el tiempo y mirar errores:
  smartctl -t short /dev/sda
  smartctl -t long /dev/sda

Test Corto:
  # smartctl -t short /dev/sda
    
<code>
smartctl 5.41 2011-06-09 r3365 [x86_64-linux-2.6.32-26-pve] (local build)
Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF OFFLINE IMMEDIATE AND SELF-TEST SECTION ===
Sending command: "Execute SMART Short self-test routine immediately in off-line mode".
Drive command "Execute SMART Short self-test routine immediately in off-line mode" successful.
Testing has begun.
Please wait 1 minutes for test to complete.
Test will complete after Mon Jul  7 17:44:35 2014

Use smartctl -X to abort test.
</code>

Comprobamos que no ha dado errores:

  # smartctl -l error /dev/sda
<code>
smartctl 5.41 2011-06-09 r3365 [x86_64-linux-2.6.32-26-pve] (local build)
Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF READ SMART DATA SECTION ===
SMART Error Log Version: 1
No Errors Logged
</code>

El Test Largo indica que tardará unos 130 minutos
  # smartctl -t long /dev/sda

Para ver si ha acabado. Vemos que solo ha acabado el corto:
  # smartctl -l selftest /dev/sda

<code>
smartctl 5.41 2011-06-09 r3365 [x86_64-linux-2.6.32-26-pve] (local build)
Copyright (C) 2002-11 by Bruce Allen, 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%       515         -
</code>

=====  Añadir Monitorización con correo =====
 
Fuente: http://blog.shadypixel.com/monitoring-hard-drive-health-on-linux-with-smartmontools/

Cambiamos el fichero /etc/smartd.conf y añadimos la monitorización de los discos, por ejemplo un test Largo (L) el lunes (número 1) a las 19

  /dev/sda -d sat -s L/../../1/19 -m correo@example.com

Añadimos también un test corto cada dia a las 2 de la mañana y el largo lunes a las 3:
  
  /dev/sda -d sat -s (S/../.././02|L/../../1/19) -m correo@example.com
  

Para que se ejecute al arrancar el servidor, en el fichero /etc/default/smartmontools descomentamos la línea
  start_smartd=yes

Arrancamos el servicio
<code>
# /etc/init.d/smartd status
/usr/sbin/smartd is not running.

# /etc/init.d/smartd start
Starting S.M.A.R.T. daemon: smartd.
</code>