Re: Spinning down external USB HDD

From: [KS] (lists04_at_fastmail.fm)
Date: 08/15/05

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    Date: Mon, 15 Aug 2005 04:34:39 -0400
To: Debian User <debian-user@lists.debian.org>

    Yuri Gorshkov wrote:
    > [KS] wrote:
    >
    >
    >>>I have an external USB HDD which I use only for backups. Although the
    >>>disk spins down itself after about half an hour or more ( I checked for
    >>>half an hour last time and it was still spinning). I had installed
    >>>sdparm earlier but I couldn't spin it down using it. Is there any way
    >>>using sdparm or an other utility to spin down the hard disk?
    >
    > Try using hdparm then, it should work... Well, I'm not entirely sure
    > about power-management in USB storage devices, any feedback is welcome.
    >

    No hdparm does not work for it. Issuing command to spin down after 3
    minutes gives the following:
     /dev/sda:
     setting standby to 36 (3 minutes)
     HDIO_DRIVE_CMD(setidle1) failed: Invalid argument

    I had also tried sdparm earlier which didn't help either!

    /KS 

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