A scrub now gave: # btrfs scrub start -Br /dev/disk/by-label/system ERROR: scrubbing /dev/disk/by-label/system failed for device id 1: ret=-1, errno=5 (Input/output error) scrub canceled for b6050e38-716a-40c3-a8df-fcf1dd7e655d scrub started at Wed Feb 21 17:42:39 2018 and was aborted after 00:04:18 total bytes scrubbed: 116.59GiB with 1 errors error details: csum=1 corrected errors: 0, uncorrectable errors: 0, unverified errors: 0 with that in the kernel log Feb 21 17:43:09 heisenberg kernel: BTRFS warning (device dm-0): checksum error at logical 16401395712 on dev /dev/mapper/system, sector 32033976, root 1830, inode 42609350, offset 6754201600, length 4096, links 1 (path: var/lib/libvirt/images/subsurface.qcow2) Feb 21 17:43:09 heisenberg kernel: BTRFS warning (device dm-0): checksum error at logical 16401395712 on dev /dev/mapper/system, sector 32033976, root 257, inode 42609350, offset 6754201600, length 4096, links 1 (path: var/lib/libvirt/images/subsurface.qcow2) Feb 21 17:43:09 heisenberg kernel: BTRFS error (device dm-0): bdev /dev/mapper/system errs: wr 0, rd 0, flush 0, corrupt 1, gen 0 Feb 21 17:46:13 heisenberg kernel: usb 1-2: USB disconnect, device number 2 Feb 21 17:46:57 heisenberg kernel: btrfs_printk: 128 callbacks suppressed Feb 21 17:46:57 heisenberg kernel: BTRFS critical (device dm-0): unable to find logical 4503658729209856 length 16384 Feb 21 17:46:57 heisenberg kernel: BTRFS critical (device dm-0): unable to find logical 4503658729209856 length 4096 Feb 21 17:46:57 heisenberg kernel: BTRFS critical (device dm-0): unable to find logical 4503658729209856 length 4096 Feb 21 17:46:57 heisenberg kernel: BTRFS critical (device dm-0): unable to find logical 4503658729209856 length 16384 any idea on what to do? -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
