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Forum Discussion
Performance during scrub
First off, yes I’ve definitely commented on this in the past. But this time I have context I didn’t have before. In particular, in the past week or so I have replaced three drives (due to increasing r...
btaroli wrote:
I’m also wondering why a scrub isn’t a btrfs scrub, but that’s a bit of an aside...
I believe that the maintenance task is does both an mdadm scrub and a btrfs scrub.
btaroli wrote:
So why is a resync triggered by a scrub resulting in such different performance to one triggered by drive replacements? I don’t get that.
No explanation (and on my main NAS, scrubs don't disrupt our normal usage they way they are on your system). Can you see the arguments being passed into mdadm?
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