you're telling me i have to umount it first and then put it to sleep?
because it is mounted it cannot be put to sleep?

2009/2/7 Nikos Chantziaras <realnc@arcor.de>
still mounted.
waking it up if it's
almost always something
put it too sleep. There's
umount it before you
Usually, you have to

Danis Petkakis wrote:
ok i tried 'hdparm -y /dev/sda' and though i can hear a little noise as if the disk is in sleep
mode after a while (5 secs) it makes a noise as though it is spinning up again...also
'hdparm -C /dev/sda' shows the disk active/idle...i also tried with 'hdparm -S12 /dev/sda'
but couldn't tell whether it is working or not...how can i make sure it actually works?

2009/2/7 Dale <rdalek1967@gmail.com <mailto:rdalek1967@gmail.com>>


   Danis Petkakis wrote:
    > 2009/2/7 Remy Blank <remy.blank@pobox.com
   <mailto:remy.blank@pobox.com> <mailto:remy.blank@pobox.com

   <mailto:remy.blank@pobox.com>>>
    >
    >     Danis Petkakis wrote:
    >     > hello there i would like to know if there is such a thing
   as a power
    >     > saving scheme as far as hard disks are
    >     > concerned...i would like my hard disks to spin down when they
    >     are not
    >     > being accessed after a defined
    >     > period of time...is that possible? any hints on how to do that
    >     would be
    >     > really appreciated...
    >
    >     If your disk is only rarely accessed (i.e. a secondary HD, not
    >     containing the root filesystem), look at "hdparm", more
    >     specifically the
    >     -S option.
    >
    >     If you would like to spin down your main HD (e.g. on a laptop),
    >     look at
    >     app-laptop/laptop-mode-tools.
    >
    >     -- Remy
    >
    >
    > does hdparm work on sata hard disks aswell? because i couldn't find
    > such an option
    > in sdparm
    >
    > Danis

    From the man page, right at the top no less.  o_O

   NAME
         hdparm - get/set SATA/IDE device parameters

   It should work for SATA to.

   Dale

   :-)  :-)