On Tue, Aug 23, 2016 at 9:51 AM, Malte Westerhoff <MWesterhoff@xxxxxxxxxxxxxxxxx> wrote: > >> btrfs-show-super -fa /d/dev/mapper/VGBIGRAID6-DATA1 > >> Where is this output? > > I had attached it as a separate file. Here it is again: Sorry, missed that there was an attachment. > backup_roots[4]: > backup 0: > backup_tree_root: 3421559472128 gen: 52059 level: 1 > backup_chunk_root: 20971520 gen: 52005 level: 1 > backup_extent_root: 3421770170368 gen: 52059 level: 3 > backup_fs_root: 29556736 gen: 6 level: 0 > backup_dev_root: 7304828502016 gen: 52059 level: 1 > backup_csum_root: 7315970588672 gen: 52059 level: 3 > backup_total_bytes: 17592186044416 > backup_bytes_used: 7386753196032 > backup_num_devices: 1 > > backup 1: > backup_tree_root: 7442297503744 gen: 52056 level: 1 > backup_chunk_root: 20971520 gen: 52005 level: 1 > backup_extent_root: 7442294161408 gen: 52056 level: 3 > backup_fs_root: 29556736 gen: 6 level: 0 > backup_dev_root: 7254075654144 gen: 52005 level: 1 > backup_csum_root: 7442298175488 gen: 52056 level: 3 > backup_total_bytes: 17592186044416 > backup_bytes_used: 7386753163264 > backup_num_devices: 1 > > backup 2: > backup_tree_root: 7442289229824 gen: 52057 level: 1 > backup_chunk_root: 20971520 gen: 52005 level: 1 > backup_extent_root: 7442283692032 gen: 52057 level: 3 > backup_fs_root: 29556736 gen: 6 level: 0 > backup_dev_root: 7254075654144 gen: 52005 level: 1 > backup_csum_root: 7442294063104 gen: 52057 level: 3 > backup_total_bytes: 17592186044416 > backup_bytes_used: 7386753179648 > backup_num_devices: 1 > > backup 3: > backup_tree_root: 7442297503744 gen: 52058 level: 1 > backup_chunk_root: 20971520 gen: 52005 level: 1 > backup_extent_root: 7442284920832 gen: 52058 level: 3 > backup_fs_root: 29556736 gen: 6 level: 0 > backup_dev_root: 7254075654144 gen: 52005 level: 1 > backup_csum_root: 7442299355136 gen: 52058 level: 3 > backup_total_bytes: 17592186044416 > backup_bytes_used: 7386753179648 > backup_num_devices: 1 Uhhhh, is anyone else having a WTF moment? Why is the backup_fs_root generation 6 on all of these backup roots? Doesn't that seem really unlikely? On all of my filesystems, the fs_root has a lower generation, but isn't separated by this many generations. What do you get for: btrfs-debug-tree -b 29556736 /dev/mapper/VGBIGRAID6-DATA1 -- Chris Murphy -- 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
