fstyp

fstyp reports the type of file system. With the -v (verbose) option reports even more informations.

Example

UFS: ''fstyp''

fstyp /dev/rdsk/c1t0d0s0
ufs

UFS: ''fstyp -v''

fstyp -v /dev/rdsk/c1t0d0s0
ufs
magic   11954   format  dynamic time    Wed Dec 23 17:26:29 2009
sblkno  16      cblkno  24      iblkno  32      dblkno  760
sbsize  2048    cgsize  8192    cgoffset 64     cgmask  0xffffffc0
ncg     427     size    20972160        blocks  20654449
bsize   8192    shift   13      mask    0xffffe000
fsize   1024    shift   10      mask    0xfffffc00
frag    8       shift   3       fsbtodb 1
minfree 1%      maxbpg  2048    optim   time
maxcontig 128   rotdelay 0ms    rps     167
csaddr  760     cssize  7168    shift   9       mask    0xfffffe00
ntrak   48      nsect   128     spc     6144    ncyl    6827
cpg     16      bpg     6144    fpg     49152   ipg     5824
nindir  2048    inopb   64      nspf    2
nbfree  374513  ndir    37781   nifree  2110625 nffree  282680
cgrotor 357     fmod    0       ronly   0       logbno  1568
version 2
fs_reclaim FS_RECLAIM
file system state is valid, fsclean is -3
blocks available in each rotational position
cylinder number 0:
   position 0:      0    8   16   24   32   40   48   56   64   72   80   88
                   96  104  112  120  128  136  144  152  160  168  176  184
                  192  200  208  216  224  232  240  248  256  264  272  280
                  288  296  304  312  320  328  336  344  352  360  368  376

output truncated

ZFS: ''fstyp''

pfexec fstyp /dev/rdsk/c7d0s0
zfs

ZFS: ''fstyp -v''

pfexec fstyp -v /dev/rdsk/c7d0s0
zfs
version: 14
name: 'rpool'
state: 0
txg: 6946
pool_guid: 2570515241943895053
hostid: 876213
hostname: 'workbox'
top_guid: 9425194213536263558
guid: 9425194213536263558
vdev_tree:
    type: 'disk'
    id: 0
    guid: 9425194213536263558
    path: '/dev/dsk/c7d0s0'
    devid: 'id1,cmdk@AVBOX_HARDDISK=VB9cb9c5fb-995c3829/a'
    phys_path: '/pci@0,0/pci-ide@1,1/ide@0/cmdk@0,0:a'
    whole_disk: 0
    metaslab_array: 23
    metaslab_shift: 27
    ashift: 9
    asize: 17136615424
    is_log: 0
    DTL: 106
gen_clean: true
gen_guid: '9425194213536263558'
gen_version: '14'
gen_volume_label: 'rpool'