July 18, 20178 yr Hi all, I am on 6.3.5 and all my drives are staying spun up. Never had the issue before and i've tried rebooting a few times. Diagnostics are attached. Any suggestions are very welcome. tower2-diagnostics-20170718-1031.zip
July 18, 20178 yr If you've double checked all of the skin down settings (global and individual disk settings), and you don't have frequently accessed user shares on every disk, I'd suggest powering down. Rebooting does not fully reset the drives. Long ago I remember there were situations where the drives needed to be powered down to reset them. Its a long shot.
July 18, 20178 yr Community Expert You can also spin them down manually and check if they stay spun down or spin back up right way, if the latter something is accessing them.
July 18, 20178 yr Another thought ... If you are running in turbo write mode (using the plugin or not), that could definitely cause disks to not spin down.
July 18, 20178 yr Author Thanks for the tips guys. I couldn't find any settings for turbo write, is it disk settings? I've manually spun all drives down and will perform a proper shutdown tonight.
July 18, 20178 yr Community Expert I have observed that it seems like getting some types of information (SMART data, etc.) about drives will cause them to spin and then they don't seem to spin down automatically. I have daily status reports e-mailed to me every night and I check in the morning for any drives spun-up (I.e., those showing a temperature) and occasionally (once or twice a week) there will be one. I simply login and spin the whole array down and that fixes the problem. I have never really devoted much time to seeing what is causing it as it is more a nuisance than anything else.
July 18, 20178 yr Community Expert 14 minutes ago, ivez said: Thanks for the tips guys. I couldn't find any settings for turbo write, is it disk settings? I've manually spun all drives down and will perform a proper shutdown tonight. You are in the right place but it is actually called " Tunable (md_write_method): " and you set it to 'reconstruct write' for turbo write.
July 18, 20178 yr Author After i manually spun the drives down CPU usage was 1-2%. They have all spun up again and i notice and have noticed for the last few months (over several versions of unraid) that CPU usage tends to hover around 20-30%. I've attached my HTOP showing the culprit services. Any ideas chaps?
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