in Recovery OS, disksleep increased from 10 to 30

-bash-3.2# date
Sat Jun  2 00:11:14 PDT 2012
-bash-3.2# sw_vers
ProductName:	Mac OS X
ProductVersion:	10.8
BuildVersion:	12A178q
-bash-3.2# diskutil list | grep Apple_HFS
   5:                  Apple_HFS scratchy                536.9 MB   disk0s5
   3:                  Apple_HFS Mac OS X Base System    1.4 GB     disk1s3
   0:                  Apple_HFS speedy                 *317.8 GB   disk13
-bash-3.2# nvram -p | grep boot-args
boot-args	-v -x
-bash-3.2# pmset -g | grep disk
 disksleep            30
-bash-3.2#