• [6.12.0-rc2] IO activity of a disk in standby mode

    daTroll

    By daTroll

      • Minor

    This release also accesses the drive controller about twice every second for drives that are spun down and in standby mode.

     

    Some (most?) IO controllers will interpret this access as being normal activity and therefore keep other parts of the system (e.g. fans) running with normal electricity consumption. I assume there are many UnRAID servers running 24/7 with a large portion of that time being in standby mode, and the accumulated power being wasted would not be insignificant..

     

    Can you please halt the controller IO activity for drives that are in standby mode?

     

    Some more details here: 

     

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    daTroll

    I just installed 6.12.0-rc2. The 2Hz "disco flashing" of my HDD activity LEDs, while the drives are shown as inactive in the UI Dashboard, is still the same as before. The fans are still running when the entire HDD array is spun-down.

    Edited by daTroll
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