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Re: Hard Drive Stops/Starts


 

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This is a major problem with newer macs and external HDDs, particularly if connected through a hub. That OS setting stops the OS from actively putting the drives to sleep, but it doesn¡¯t keep them awake because modern external drives commonly?have their own spin down routines which this does not override.?The problem is worse when the drives are connected through a hub.?

You will see the ¡°Adrenaline¡± app recommended for this. Don¡¯t bother. Adrenaline does not solve this problem. It keeps the system awake but does not keep drives spinning.

I use the ¡°Keep Drive Spinning¡± app.?

http://jon.stovell.info/software/keep-drive-spinning/

This app simply installs a resident script that periodically writes and rewrites a tiny hidden file to keep the drive activated. That is all it does. The app itself simply configures the scripts and installs them but does not need to run in the background. It is drive specific so you can configure only the drives you want. The app has been around for a very long time and has been continuously maintained by the developer.?

For a long time I kept one drive awake by continuously playing music from it, but that¡¯s not a convenient solution. ;)

Cheers,
???????????????tod

Tod Hopkins
Video Producer?Editor?Technologist?





On Mar 22, 2025, at 9:18?AM, Jim Willett via groups.io <jimwillett@...> wrote:

I have a new Mac Mini, 16/256 (currently 75 GB available) with the latest Sequoia update.? Attached to it is a hard drive enclosure that I¡¯ve been using for a couple of years with a 2015 iMac, 16/1T running Monterey.? With the iMac the hard drives would spin up and stay running while the iMac was in use.? With the Mac Mini the drives spin up when I wake the Mini but are regularly spinning down and then almost immediately spinning up again. I have turned to OFF ¡°Put hard disks to sleep when possible¡±. Any idea as to how to stop the drives from spinning up/down so frequently? ?I am hoping this may be due to the small internal storage, which I have ordered a 2TB replacement, and maybe this will solve the problem with the external drive.?

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Thanks in advance to responses.?
Jim Willett

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