On Thu, Oct 16, 2014 at 12:08:41PM +0200, David Sterba wrote:
> @@ -22,18 +22,21 @@
> <NUMDEVS> [SCRATCH_DEV].read_io_errs <NUM>
> <NUMDEVS> [SCRATCH_DEV].write_io_errs <NUM>
> == Show device stats by first/scratch dev
> +ERROR: ioctl(BTRFS_IOC_GET_DEV_STATS) on �oh failed: No such device
> [SCRATCH_DEV].corruption_errs <NUM>
> [SCRATCH_DEV].flush_io_errs <NUM>
> [SCRATCH_DEV].generation_errs <NUM>
Additional info:
syslog:
[ 1332.330541] run xfstest btrfs/006
[ 1333.251419] BTRFS: device fsid 02ad1ce3-85e4-41c0-8d54-138a8d950b3d devid 1 transid 3 /dev/sda9
[ 1333.273512] BTRFS: device fsid 02ad1ce3-85e4-41c0-8d54-138a8d950b3d devid 2 transid 3 /dev/sda10
[ 1333.345285] BTRFS: device fsid 02ad1ce3-85e4-41c0-8d54-138a8d950b3d devid 3 transid 3 /dev/sda11
[ 1333.366160] BTRFS: device fsid 02ad1ce3-85e4-41c0-8d54-138a8d950b3d devid 4 transid 3 /dev/sda12
[ 1334.468250] BTRFS info (device sda12): disk space caching is enabled
[ 1334.476280] BTRFS: flagging fs with big metadata feature
[ 1334.491801] BTRFS: creating UUID tree
[ 1334.774684] BTRFS warning (device sda12): get dev_stats failed, device not found
[ 1334.805125] BTRFS warning (device sda12): get dev_stats failed, device not found
[ 1334.832683] BTRFS warning (device sda12): get dev_stats failed, device not found
$ btrfs fi show
Label: 'TestLabel.006' uuid: 02ad1ce3-85e4-41c0-8d54-138a8d950b3d
Total devices 4 FS bytes used 192.00KiB
devid 1 size 10.00GiB used 20.00MiB path /dev/sda9
devid 2 size 10.00GiB used 256.00MiB path /dev/sda10
devid 3 size 10.00GiB used 0.00B path /dev/sda11
devid 4 size 10.00GiB used 0.00B path /dev/sda12
SCRATCH_DEV_POOL=/dev/sda9 /dev/sda10 /dev/sda11 /dev/sda12
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