# mount -o degraded /var Oct 11 18:20:15 kernel: BTRFS: too many missing devices, writeable mount is not allowed # mount -o degraded,ro /var # btrfs device add /dev/sdd1 /var ERROR: error adding the device '/dev/sdd1' - Read-only file system Now I am stuck: I cannot add device to the volume to satisfy raid pre-requisite.
This is a known issue. Would you be able to test below set of patches and update us.. [PATCH 0/5] Btrfs: Per-chunk degradable check Thanks, Anand -- 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
