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After about an hour or two of my macbook being in sleep, my new thunderbay 4 keeps ejecting and then constantly spinning the disks up and down, connecting and reconnecting, until i've relogged back into the mac.
Macbook is always connected to power and i've enabled "prevent disks from sleeping" on both power and battery. Is the only way to prevent this with amphetamine?
Macbook M1 Pro Max > connected directly thunderbay via thunderbolt 4
Posted : 25/10/2023 4:34 pm
the drives spinning up and down is a Hibernate issue, they spin up when the Mac wakes to check for activity. This also spins up the drives. You will notice this is a 45 minute or so cycle.
If the disks are also ejecting, maybe you will need to disconnect them. (Or disable sleep completely)
Amphetamine keeps the Mac from sleeping the drives during work. it does not (as far as I know) prevent spinning up during sleep or ejecting during hibernate.
All this Hibernate stuff was not thought through for users with complex hardware.
Posted : 25/10/2023 4:40 pm
SkippingRock reacted
@softraid-support I just asked a similar question today. Do you know if newer macOS versions (above Sonoma) still have this issue? I've been lazy and haven't updated to the current version and now with the next macOS 26 coming out, I'm wondering if I should just skip it?
I have Amphetamine, if I Enable Drive Alive for the RAID, are there any downsides to doing this for the RAID?
This post was modified 8 months ago by SkippingRock
Posted : 22/08/2025 2:28 pm
We anticipate Tahoe (26) has a fix for this, but whether it makes it into 26.0, or a later release, we won't know until it happens.
There are no downsides to Amphetamine, etc. They just touch the volume frequently.
The other issue where drives wake during Hibernate is another one we hope Tahoe addresses. (Drives spin up every 45 minutes or so). It has something to do with Energy Star, so it may not be as easy to fix by Apple, but it is certainly annoying if you have a loud set of drives.
This post was modified 8 months ago by SoftRAID Support
Posted : 22/08/2025 3:12 pm
SkippingRock reacted
