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Hi all,
I am trying to set a monthly btrfs scrub using the btrfs-scrib@ service as described in the wiki, but I need to limit the IOReadBandwidthMax as described in the wiki as well to limit the temperature climb. Initial testing my drive temps climbed to 80. I created
/etc/systemd/system/btrfs-scrub@.d/override.conf with the following content (the the extreme 1K limit was to make sure I could see a result):
[Service]
IOReadBandwidthMax='/dev/disk/by-uuid/<UUID from fstab> 1K'However when I run
systemctl start btrfs-scrub@var-log the temperature still climbs uncontrollably. Obviously I'm doing something wrong, any suggestions would be much appreciated.
Last edited by galvez_65 (2023-09-05 14:37:59)
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Got it figured out.
1) I was referring to the device incorrectly I had to use by-path
2) I was also creating the Drop-in incorrect
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Curious - how much of a drop in temp are you seeing?
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Got it figured out.
Please mark the thread as solved.
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Curious - how much of a drop in temp are you seeing?
Pretty significant. before limiting the IO the temp quickly climbed to 80, now, after some experimentation it still climbs to 70, but at a much slower and controlled rate.
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ajgringo619 wrote:Curious - how much of a drop in temp are you seeing?
Pretty significant. before limiting the IO the temp quickly climbed to 80, now, after some experimentation it still climbs to 70, but at a much slower and controlled rate.
Thanks for the info. I'll have to track my disk temps when I run the next scrub.
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