February 22, 20251 yr Hi guys, I am trying to troubleshoot an issue where my server has suddenly become very noisy, almost certainly vibration-related. I unplugged the case fans and the GPU in turn, then briefly unplugged my CPU fan but no dice. That leaves me with hard drives. I've run smart tests and they come back fine, but from the sound, I would assume it would be an upcoming mechanical failure. I haven't been able to find a forum answer about temporarily removing a drive from the pool safely as my idea was to unplug each in turn and try to isolate where the sound is coming from and ship that drive off to Seagate for replacement. Is there a safe way to do this or can you suggest any other way of isolating a single drive? I only have 4 drives in the array at present so it should be easy to locate. Edit Sorry, found it, was something I didn't think of initially. PSU, Seasonic can deal with the RMA then. But an answer to the initial question would be interesting for future reference. Edited February 22, 20251 yr by MoonT New Info
February 23, 20251 yr Community Expert Solution You can stop the array and offline all devices with: echo 1 > /sys/block/sdX/device/delete Do it one at a time to see if it really is a disk, and a reboot will bring them all back
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