Náhodou staré Greeny (do 2TB) jsou jedny z nejspolehlivějších disků:

Enterprise ~ # smartctl -a /dev/sda
smartctl 5.40 2010-10-16 r3189 [i686-pc-linux-gnu] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF INFORMATION SECTION ===
Device Model:     WDC WD1502FYPS-02W3B0
Serial Number:    WD-WCAVY6543342
Firmware Version: 04.01G01
User Capacity:    1,500,301,910,016 bytes
Device is:        Not in smartctl database [for details use: -P showall]
ATA Version is:   8
ATA Standard is:  Exact ATA specification draft version not indicated
Local Time is:    Tue Feb  2 21:24:44 2016 CET
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x002f   200   200   051    Pre-fail  Always       -       1
  3 Spin_Up_Time            0x0027   232   232   021    Pre-fail  Always       -       10383
  4 Start_Stop_Count        0x0032   100   100   000    Old_age   Always       -       26
  5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail  Always       -       0
  7 Seek_Error_Rate         0x002e   200   200   000    Old_age   Always       -       0
  9 Power_On_Hours          0x0032   096   095   000    Old_age   Always       -       3075
 10 Spin_Retry_Count        0x0032   100   253   000    Old_age   Always       -       0
 11 Calibration_Retry_Count 0x0032   100   253   000    Old_age   Always       -       0
 12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       25
192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age   Always       -       14
193 Load_Cycle_Count        0x0032   200   200   000    Old_age   Always       -       816
194 Temperature_Celsius     0x0022   119   107   000    Old_age   Always       -       33
196 Reallocated_Event_Count 0x0032   200   200   000    Old_age   Always       -       0
197 Current_Pending_Sector  0x0032   200   200   000    Old_age   Always       -       0
198 Offline_Uncorrectable   0x0030   200   200   000    Old_age   Offline      -       0
199 UDMA_CRC_Error_Count    0x0032   200   200   000    Old_age   Always       -       0
200 Multi_Zone_Error_Rate   0x0008   200   200   000    Old_age   Offline      -       0

SMART Error Log Version: 1
No Errors Logged

Disky v tomto serveru (2ks v R1) budou přesně za měsíc slavit páté narozky.. (ano, server byl jen 25x vypnut, včetně instalace systému a dopravy na místo)

edit: jediný zásah jsem provedl - přes wdidle jsem nastavil parkování hlaviček na tuším 30 minut (proto je load cycle tak nízký)