Fri Jul 31 15:26:21 CEST 2015 :[sda2] => Total_I_O =>  r_s  + w_s  => 7.27+0.07 : 7.34
Fri Jul 31 15:26:21 CEST 2015 :[sda2] => Ratio_I_O_Lecture =>  r_s  / ( r_s  + w_s )  => 7.27/(7.27+0.07) : .990
Fri Jul 31 15:26:21 CEST 2015 :[sda2] => Ratio_I_O_Ecriture =>  w_s  / ( r_s  + w_s )  => 0.07/(7.27+0.07) : .009
Fri Jul 31 15:26:21 CEST 2015 :[sda2] => I_O_Lecture =>  r_s  => 0.07 : .07
Fri Jul 31 15:26:21 CEST 2015 :[sda2] => I_O_Ecriture =>  w_s  => 7.27 : 7.27
Fri Jul 31 15:26:21 CEST 2015 :[centos_root] => Total_I_O =>  r_s  + w_s  => 7.32+0.08 : 7.40
Fri Jul 31 15:26:21 CEST 2015 :[centos_root] => Ratio_I_O_Lecture =>  r_s  / ( r_s  + w_s )  => 7.32/(7.32+0.08) : .989
Fri Jul 31 15:26:21 CEST 2015 :[centos_root] => Ratio_I_O_Ecriture =>  w_s  / ( r_s  + w_s )  => 0.08/(7.32+0.08) : .010
Fri Jul 31 15:26:21 CEST 2015 :[centos_root] => I_O_Lecture =>  r_s  => 0.08 : .08
Fri Jul 31 15:26:21 CEST 2015 :[centos_root] => I_O_Ecriture =>  w_s  => 7.32 : 7.32
Fri Jul 31 15:26:22 CEST 2015 :[sda] => Total_I_O =>  r_s  + w_s  => 7.27+0.07 : 7.34
Fri Jul 31 15:26:22 CEST 2015 :[sda] => Ratio_I_O_Lecture =>  r_s  / ( r_s  + w_s )  => 7.27/(7.27+0.07) : .990
Fri Jul 31 15:26:22 CEST 2015 :[sda] => Ratio_I_O_Ecriture =>  w_s  / ( r_s  + w_s )  => 0.07/(7.27+0.07) : .009
Fri Jul 31 15:26:22 CEST 2015 :[sda] => I_O_Lecture =>  r_s  => 0.07 : .07