root@riguz:~ # gpart show
=> 63 83886017 vtbd0 MBR (40G)
63 1 - free - (512B)
64 41942975 1 freebsd [active] (20G)
41943039 41943041 - free - (20G)
root@riguz:~ # gpart resize -i 1 -a 4k -s 39G vtbd0
vtbd0s1 resized
root@riguz:~ # df -h
Filesystem Size Used Avail Capacity Mounted on
/dev/ufsid/59a7effe7885633c 19G 3.9G 14G 22% /
devfs 1.0K 1.0K 0B 100% /dev
root@riguz:~ # service growfs onestart
Growing root partition to fill device
vtbd0s1 resized
super-block backups (for fsck_ffs -b #) at:
42314112, 43596352, 44878592, 46160832, 47443072, 48725312, 50007552, 51289792, 52572032, 53854272,
55136512, 56418752, 57700992, 58983232, 60265472, 61547712, 62829952, 64112192, 65394432, 66676672,
67958912, 69241152, 70523392, 71805632, 73087872, 74370112, 75652352, 76934592, 78216832, 79499072,
80781312, 82063552, 83345792
root@riguz:~ # df -h
Filesystem Size Used Avail Capacity Mounted on
/dev/ufsid/59a7effe7885633c 39G 3.9G 32G 11% /
devfs 1.0K 1.0K 0B 100% /dev
root@riguz:~ #