Whats your temperature? Howto check and post
I'm a little concerned about the temperature of one of drives running > 40 celcius.For cPanel users:
/usr/local/cpanel/3rdparty/bin/smartctl -a /dev/hda | grep Temperature
(Please post the results)
For non cPanel users download smartmon tools are run the smartctl -a /dev/hda command:
http://smartmontools.sourceforge.net/