Hey guys. So, I have this one hard drive (out of 3 in ZFS), constantly emitting noises. That noise you hear when the hard drive is working on something, copying or moving file, or reading something. The thing is, my OMV system is in idle, not doing anything. And it's been like that for days. You can see s.m.a.r.t readings from scrutiny on my screenshot below. Any ideas what's going on? Is my hard drive dying?
Hard drive constantly emitting "working" noise
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You may think the machine is idle but it probably isn't. It could be anything. Try searching on google with carefully crafted questions.
https://superuser.com/question…-disk-in-a-gnu-linux-base
One problem frequently overlooked in situations like this is anything you use to measure something may be causing or influencing what is being measured.
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Makes sense, but there is no sense that I only hear one hard drive doing that. Check out the video:
ZitatIt's a bit harder in OMV to do this.
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Makes sense, but there is no sense that I only hear one hard drive doing that. Check out the video:
It's a bit harder in OMV to do this.
What is harder about doing this in OMV? You have a shell and if the apps needed aren't already installed, install them. It's Debian Linux under the hood. As for the video, I have no idea.
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I see a lot of activity from jbd2/sdc2-8. Have no idea what that is. Also [kworker/~efficient].
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It reads or writes, I don't know what it's doing, at exactly every 5 seconds. And the duration of that noise is exactly the same every time. So I don't think these are some normal random tasks. I think something else is the problem here.
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I see a similar to your jbd2/sdc2-8 but it has no significant amount to it and the letters and numbers are different. Those are the disks or related to them. kworker is some sort of kernel task placeholder thing, google for more info. I see it too but with very little amounts.
How much RAM in the machine and do you have swap enabled?
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8GB of ram. No swap.
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8GB of ram. No swap.
That should be OK so long as you don't have a lot of unexplained crashes that could be caused by running out of RAM. I run with 16GB and no swap and it's solid.
No swap means no disk access caused by swapping. Do you have swap capability and it's disabled, or does the capability not exist at all?
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I really don't know if OMV has swap capability or not. I was never asked during the installation. I just think it's weird that it does this every 5 seconds sharp.
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Swap is enabled by default. It's possible you are hitting it. Try disabling it and see if it quites down.
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That looks OK to me. Did you try disabling swap temporarily as a quick test to see if it gets quiet?
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I didn't, I've never done that before, I was affraid I was going to screw something up. Is that safe to do?
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Sure it's safe. The worst thing that can happen is that you forget to turn it back on and if and when you run out of RAM the machine will crash. No problem then either, just boot it up and re-enable swap.
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I don't think a reboot is needed, but check status after disabling to see if that worked.
To see if it enabled or disabled try running:
swapon -s
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I guess it worked, I get no results. Check my screenshot.
EDIT: After reboot I get this (Screenshot 2)
EDIT 2: But no difference in the sound.
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Well, I am fresh out of ideas.
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I rebooted to Firstaid, and that noise stopped. As soon as I restarted the OMV, it started again. So, something in the OMV is doing that.
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