英文名 Advanced Power Management，简称 APM。
hdparm
SG_IO: bad/missing sense data
> sudo hdparm -S 241 /dev/sda
/dev/sda:
setting standby to 241 (30 minutes)
SG_IO: bad/missing sense data, sb[]:英文名 Advanced Power Management，简称 APM。
> sudo hdparm -S 241 /dev/sda
/dev/sda:
setting standby to 241 (30 minutes)
SG_IO: bad/missing sense data, sb[]: