Comments (3)
For what it's worth, there is already code in place to get rotational info as reported by udev:
node_exporter/collector/diskstats_linux.go
Lines 252 to 258 in 94ef5cc
However, I don't have that metric available on any of the systems I personally own, and I do have rotational info in sysfs for my disks. I would also be in favor of a sysfs based method for collecting rotational info, but it might be better suited to live in github.com/prometheus/procfs, in my opinion
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Turns out it already does exist in procfs and I forgot about it!
https://pkg.go.dev/github.com/prometheus/[email protected]/blockdevice#BlockQueueStats
Seems we would just need to utilize it
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Yes, this seems like it would be easy to add to the diskstats
collector.
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Related Issues (20)
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