root@zefiris:/home/peter/temp # dd if=/dev/zero of=filedisk bs=1024k count=128
128+0 records in
128+0 records out
134217728 bytes transferred in 0.397892 secs (337322320 bytes/sec)
root@zefiris:/home/peter/temp # mdconfig -f ./filedisk
md0
root@zefiris:/home/peter/temp # file filedisk
filedisk: data
root@zefiris:/home/peter/temp # newfs /dev/md0
/dev/md0: 128.0MB (262144 sectors) block size 32768, fragment size 4096
using 4 cylinder groups of 32.03MB, 1025 blks, 4224 inodes.
super-block backups (for fsck_ffs -b #) at:
192, 65792, 131392, 196992
root@zefiris:/home/peter/temp # file filedisk
filedisk: Unix Fast File system [v2] (little-endian) last mounted on , last written at Thu Jul 26 19:23:36 2018, clean flag 1, readonly flag 0, number of blocks 32768, number of data blocks 31623, number of cylinder groups 4, block size 32768, fragment size 4096, average file size 16384, average number of files in dir 64, pending blocks to free 0, pending inodes to free 0, system-wide uuid 0, minimum percentage of free blocks 8, TIME optimization