Hi all,
I've got a minor issue which I have seen referenced in a couple of threads here and on reddit but none seem to have concluded with a fix or anything that seems to apply to my situation.
I have 5 disks in my array, and all are set to spin down after 15 minutes. While I know some consider spinning the drives down and up again when needed to cause wear, the power saving is worth it IMO, and a lot of what I access most frequently is on the cache anyway.
2 of these 5 drives (sdd - the parity drive & sde - the most recently installed drive, which replaced a failed drive) stay spinning all the time, while the rest spin down. If I force them to spin down, they spin up again after a couple of minutes. I had a quick look at the log, but it just says 'read SMART' for both drives, with no further details. The SMART checks all look fine, and there are no scheduled SMART checks. I have read somewhere that a SMART check is automatically initiated any time the drive spins up, so I think this may be a symptom, not the cause.
I have also read that if a drive spins up because of a request from a docker container, this is not shown in the log. I stopped all my dockers (deluge vpn, krusader, lancache, and plex), spun the drives down, and the 2 drives spin back up again immediately, even quicker than when the dockers were running. I should also say that the lancache is set up on a seperate drive from the array.
I'm afraid I'm not well versed in Linux or unRAID, and a friend helped me build and set up this system, and has helped me when I have (thankfully very rarely) had an issue, but he is stumped by this as well. So I apologise if I'm missing something very obvious, or something I should have tried first. I've attached my logs, which hopefully allow some insight to the issue.
Thanks
Charlie
tower-diagnostics-20221222-1549.zip