root@vm:~ # gpart show mfid0
=> 40 31247564720 mfid0 GPT (15T)
40 1024 1 freebsd-boot (512K)
1064 984 - free - (492K)
2048 268435456 2 freebsd-swap (128G)
268437504 30979125248 3 freebsd-zfs (14T)
31247562752 2008 - free - (1.0M)
root@vm:~ # zpool status
pool: zroot
state: ONLINE
scan: none requested
config:
NAME STATE READ WRITE CKSUM
zroot ONLINE 0 0 0
mfid0p3 ONLINE 0 0 0
errors: No known data errors