Is the error relating to /dev/sr0 relevant to a call to /usr/bin/brtfs? Why does it show the superfluous output?
% sudo btrfs fi show /dev/sda3 failed to open /dev/sr0: No medium found Label: 'arch64' uuid: ab6f9133-a2ce-4c92-97ab-35cdc3c2d2a9 Total devices 1 FS bytes used 2.46GB devid 1 size 119.00GB used 5.02GB path /dev/sda3 Btrfs v0.20-rc1-253-g7854c8b -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html