Messages in this thread | | | Date | Fri, 7 Jun 2002 14:05:05 -0700 (PDT) | From | Mukesh Rajan <> | Subject | HDD power states + kernel |
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hi,
i need to implement powering down of the Hard Disk in the linux kernel. i understand that using "hdparm" i could set a timeout and power down the HDD after a certain idle time.
but then HDD has 4 power states and instead of powering down to the lowest power state, i would like to power down one state at a time based on certain timeout values.
i'm not sure where to start with this. would i have to play around with "llrwblk.c"? and what would i have to do here in order to monitor disk inactivity (idleness)? or should i look into APM stuff?
any help or pointers in this direction would be of great help.
thanks in advance, mukesh
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