August 4, 20232 yr I've got an array of three disks with a parity Disk 3 was last added, 10tb same as parity. it is still not used (was something spilled over, but I corrected in share-settings and cleaned with unBalance) and it is refusing to spin down and stay down Settings / disk settings / Default spin down delay: 15 min Disk3 / settings / Spin down delay: 15 min (was set to default but have now tested with 15min) Drive seems empty,, even trying to press "spin down" in main-tab is effective for a little while,, the drive keeps spinning up a minute or so later,,, Was planning on using it for "non essential data" - so really inconvenient that it keeps spinning attaching diagnostics for further investigations PS: server is currently running pre-clear on another drive at the moment,,, unraid1-diagnostics-20230804-2001.zip
August 4, 20232 yr Community Expert If possible try connecting that disk to the onboard SATA controller instead and re-test.
August 4, 20232 yr Author 21 minutes ago, JorgeB said: If possible try connecting that disk to the onboard SATA controller instead and re-test. unfortunately not able to do that at the moment,, all 3,5'' slots are hot-swap bays in my chassis,, will have to make some kind of adjustment to get fixtures for other spin-drives below the hot-swap bays,,, By the way,, the parity 10tb red and the two data-drives in the array are also on the same drive-bay-row (same "bay-controller" and cable to HBA) - so it is rather strange behaviour for one drive compared to others ? Edited August 4, 20232 yr by ArveVM
August 5, 20232 yr Community Expert 14 hours ago, ArveVM said: By the way,, the parity 10tb red and the two data-drives in the array are also on the same drive-bay-row I missed that, in that case using SATA should not make any difference, sometimes I see issues with spin down with newer drives and older SAS2 LSI HBAs, but since parity is the same model it's likely not that.
August 7, 20232 yr Author checked some logs and google a bit - and came upon this thread with somehow similar issue: It mentioned issues with HDDtemp (which I have installed), so I'll try deactivate it and see if disk keep quiet as intended posting here just to hint to the solution and keep a link to the thread somewhere I can find it
August 9, 20232 yr Author Solution Yepp,, can confirm that if hddtemp is running disk is refusing to spin down,,, Strangely when i stopped hddtemp it worked - and after a restart and hddtemp on auto-start - it was back to not spinning down (and now both 10tb drives data and parity) did not spin down,,, thanks to @henris for sharing his solution on the other post
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