+ set -e
+ [ -n /dev/sda ]
+ . /lib/hdparm/hdparm-functions
+ [ -e /proc/cmdline ]
+ grep -wq nohdparm /proc/cmdline
+ raidstat=OK
+ [ -e /proc/mdstat ]
+ egrep -iq resync|repair|recover|check /proc/mdstat
+ [ OK = OK ]
+ hdparm_options /dev/sda
+ local WANTED_DISK=/dev/sda
+ local DISC= DEFAULT= DEF_QUIET= COMMAND_LINE=
+ local OPTIONS OPT_QUIET KEY SEP VALUE
+ hdparm_try_apm /dev/sda
+ [ -z pci-0000:00:1f.1-ata-1 ]
+ return 0
+ hdparm_is_on_battery
+ on_ac_power
+ egrep -v ^[[:space:]]*(#|$) /etc/hdparm.conf
+ [ 255 -eq 1 ]
+ hdparm_set_option -B254
+ local NEW_OPT= NEW_DEF=
+ test -n 
+ DEFAULT=  -B254
+ read KEY SEP VALUE
+ [ -n  ]
+ DEF_QUIET=-q
+ read KEY SEP VALUE
+ [ -n   -B254 ]
+ echo -B254
+ return 0
+ OPTIONS=-B254
+ [ -n -B254 ]
+ /sbin/hdparm -B254 /dev/sda
+ exit 0