jrock2004# newfs /dev/ad4
/dev/ad4: 58644.1MB (120103200 sectors) block size 16384, fragment size 2048
        using 320 cylinder groups of 183.77MB, 11761 blks, 23552 inodes.
super-block backups (for fsck -b #) at:
newfs: wtfs: 65536 bytes at sector 160: Input/output error