[pciavald@HomeServer ~]$ sudo btrfs check /dev/sdb
Checking filesystem on /dev/sdb
UUID: 1ea7ff96-0c60-46c3-869c-ae398cd106a8
checking extents
Invalid key type(ROOT_ITEM) found in root(FS_TREE)
ignoring invalid key
Invalid key type(ROOT_ITEM) found in root(FS_TREE)
ignoring invalid key
Invalid key type(ROOT_ITEM) found in root(FS_TREE)
ignoring invalid key
Invalid key type(ROOT_ITEM) found in root(FS_TREE)
ignoring invalid key
Invalid key type(ROOT_ITEM) found in root(FS_TREE)
ignoring invalid key
Invalid key type(ROOT_ITEM) found in root(FS_TREE)
ignoring invalid key
parent transid verify failed on 2569560670208 wanted 44955 found 396763
parent transid verify failed on 2569560670208 wanted 44955 found 396763
parent transid verify failed on 2569560670208 wanted 44955 found 396763
parent transid verify failed on 2569560670208 wanted 44955 found 396763
Ignoring transid failure
bad block 2569560670208
ERROR: errors found in extent allocation tree or chunk allocation
checking free space cache
cache and super generation don't match, space cache will be invalidated
checking fs roots
root 5 root dir 256 not found
found 5801902080 bytes used err is 1
total csum bytes: 714032
total tree bytes: 22183936
total fs tree bytes: 2195456
total extent tree bytes: 245760
btree space waste bytes: 7194507
file data blocks allocated: 2263875584
 referenced 2263875584