Re: Background corrections don't show up in device stats, and have low syslog priority. How do I reliably find out about them?

On 4/17/2015 at 10:36 PM, "Holger Hoffstaette" wrote: >I don't know about the device stats, but at least the log level for >read errors was already fixed in a patch series: > >http://www.spinics.net/lists/linux-btrfs/msg40556.html > >This was merged into 4.0. Thanks! Very narrow coincidence that

Background corrections don't show up in device stats, and have low syslog priority. How do I reliably find out about them?

I've been running some simple tests in a virtual machine with btrfs raid1 and I found the background correction behaviour to be a bit surprising. I've set up a raid1 and stored a big file along with its sha256sum on the volume. If I manually corrupt one of the underlying devices and run a btrfs