[root@rockstor ~]# btrfs restore -D /dev/sdt /mnt2
checksum verify failed on 78555517419520 found 1974988D wanted EC623494
checksum verify failed on 78555517419520 found 1974988D wanted EC623494
checksum verify failed on 78555517419520 found 29A91167 wanted 8B70494D
checksum verify failed on 78555517419520 found 1974988D wanted EC623494
bytenr mismatch, want=78555517419520, have=12198095107859028614
checksum verify failed on 78555492007936 found F8E8312F wanted 0FB3BE53
checksum verify failed on 78555492007936 found F8E8312F wanted 0FB3BE53
checksum verify failed on 78555492007936 found 32C0F59B wanted 1CF8B7B6
checksum verify failed on 78555492007936 found DC8C2802 wanted 9C5466C0
checksum verify failed on 78555492007936 found F8E8312F wanted 0FB3BE53
bytenr mismatch, want=78555492007936, have=13330466552269131069
Could not open root, trying backup super
warning, device 7 is missing
warning, device 6 is missing
warning, device 5 is missing
warning, device 12 is missing
warning, device 10 is missing
warning, device 9 is missing
warning, device 4 is missing
warning, device 3 is missing
warning, device 2 is missing
warning, device 8 is missing
bytenr mismatch, want=78556015362048, have=0
ERROR: cannot read chunk root
Could not open root, trying backup super
warning, device 7 is missing
warning, device 6 is missing
warning, device 5 is missing
warning, device 12 is missing
warning, device 10 is missing
warning, device 9 is missing
warning, device 4 is missing
warning, device 3 is missing
warning, device 2 is missing
warning, device 8 is missing
bytenr mismatch, want=78556015362048, have=0
ERROR: cannot read chunk root
Could not open root, trying backup super
[root@rockstor ~]#