Hard Drive Temperature Monitoring on CentOS 5

To get a hard drive temperature, follow these steps:

1. Install EPEL repository.
2. Install the hddtemp package:
   

   # yum install hddtemp
   

3. Execute hddtemp:
   

   # hddtemp /dev/sda
   /dev/sda: ST3750640AS: 46°C
   

Also you can get a hard drive temperature from hdd SMART table:

1. Install the smartmontools package:
   

   # yum install smartmontools
   

2. Execute smartctl:
   

   # smartctl -d ata -A /dev/sda
   ...
   ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
   194 Temperature_Celsius     0x0022   045   049   000    Old_age   Always       -       45 (0 17 0 0)