Re: hdparm standby timeout not working for WD raptors?

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Mark Weber wrote:
I can't get "hdparm -S" to work at all.

Using  "hdparm -S 1" should set the timeout to
5 seconds,  but the drives stay active/idle all the
time. When I set to standby manually, the drives
stay on standby for days, and start up fine when
they are used. I know this because I logged status
every 30 minutes using crontab.

They just don't standby automatically.

I'm using 5 identical drives (see below for drive
info), with software RAID.

I don't have Raptors here anymore to try it with,
but "hdparm -S1 /dev/sd?" did work fine with them
when last tried.

What do you get when you try this:

hdparm -S1 -C /dev/sda;sleep 6; hdparm -C /dev/sda


??
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