3 nagy filera raid10 -en.
-rw-r--r-- 1 root root 1099511627776 2009-12-18 01:48 test_file
-rw-r--r-- 1 root root 1099511627776 2009-12-18 22:37 test_file2
-rw-r--r-- 1 root root 796715384832 2009-12-18 23:55 test_file3
time btrfsck /dev/sdb
failed to read /dev/sr0
found 2999819255808 bytes used err is 0
total csum bytes: 2925526016
total tree bytes: 4080615424
total fs tree bytes: 962560
btree space waste bytes: 870517542
file data blocks allocated: 2995738640384
referenced 2995738640384
Btrfs Btrfs v0.19
real 4m24.130s
user 0m31.800s
sys 0m12.050s