How can I monitor a btrfs pool for read/write errors?   As some may have noticed the GUI errors column for the cache pool is just for show, at least for now, as the error counter remains at zero even when there are some, I already asked and hope LT will use the info from btrfs dev stats in the near future, but for now, anyone using a btrfs cache or unassigned redundant pool should regularly monitor it for errors since it's fairly common for a device to drop offline, usually from a cabl
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