August 7, 20223 yr So there's really nothing wrong but is there a way to configure this? When all disks are spinning, the hdd activity led (the one that you connect to the motherboard) will only light up on actual disk activity, which is expected. If at least one drive is spun down (either manually or automatically), the led will flash once a second outside of disk activity. It still permanently lights up when there's a write happening so it's normal during that.
August 8, 20223 yr Author At this point I'm keen on waiting for the stable release for that version. Thanks for the direction.
May 11, 20251 yr Reviving this thread as I'm having the same behaviour. I wouldn't mind but in between my disks I also have 4 SSDs and their LEDs are flashing much more time than a fraction of a second of all the HDDs. So it's a little annoying because once they 'spin down' (power off) their LEDs are having heavy activity. Is there any way to fix this? Running Unraid 7.0.1. Edited May 11, 20251 yr by savaspar define 'spin down' for the ssds
November 3, 2025Nov 3 also reviving. any way to disable heartbeat blinking when disks are spun down? I have 6 of them and LEDs in my new NAS are very bright. I would like to have them completely off when disks are spun down.
November 3, 2025Nov 3 Community Expert It is totally normal that an OS has to check "disk health" now and then.Without this "hot pluggin" would not work.The OS itself has no influence if an LED flashes up or not. This is handled by the cage the disk is slept in.Some have activity LEDs, some not. And even not all of those who have them, also flash if certain check commands are send to the drive.The more intelligent ones do not I think.So, its your hardware you have to complain about, nothing to do for UNRAID...If these lights are too bright for you, cover them with some tape, that will dim them or even make them totally invisible.NB: part of the blinking also depends on the drive itself. You will find some that blink, some that are lit all the time and some that do not light up at all. I think, the most HDDs blink, the most SSDs are either "always on" or "not at all". But this optional feature is up to the manufaturer, the OS has no influence on this too. Edited November 3, 2025Nov 3 by MAM59
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