[FreeBSD]swap 흔적 지우기, swap on/off

[ys ~ # ] top

last pid: 50439;  load averages:  0.18,  0.12,  0.09                                                   up 166+17:11:59 09:39:35

49 processes:  1 running, 48 sleeping

CPU 0:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  100% idle

CPU 1:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  100% idle

CPU 2:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  100% idle

CPU 3:  0.0% user,  0.0% nice,  0.4% system,  0.0% interrupt, 99.6% idle

CPU 4:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  100% idle

CPU 5:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  100% idle

CPU 6:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  100% idle

CPU 7:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  100% idle

Mem: 21M Active, 1159M Inact, 14G Wired, 12M Cache, 1646M Buf, 318M Free

ARC: 9621M Total, 3308M MFU, 6292K MRU, 16K Anon, 224M Header, 6083M Other

Swap: 1788M Total, 566M Used, 1221M Free, 31% Inuse

[ys ~ # ] swapoff -a; swapon -aL

swapoff: removing /dev/ada0p3 as swap device

swapoff: removing /dev/md99 as swap device

swapon: adding /dev/ada0p3 as swap device

swapon: adding /dev/md99 as swap device

[ys ~ # ] top

last pid: 51992;  load averages:  0.07,  0.10,  0.09                                                   up 166+17:52:18 10:19:54

49 processes:  1 running, 48 sleeping

CPU 0:     % user,     % nice,     % system,     % interrupt,     % idle

CPU 1:     % user,     % nice,     % system,     % interrupt,     % idle

CPU 2:     % user,     % nice,     % system,     % interrupt,     % idle

CPU 3:     % user,     % nice,     % system,     % interrupt,     % idle

CPU 4:     % user,     % nice,     % system,     % interrupt,     % idle

CPU 5:     % user,     % nice,     % system,     % interrupt,     % idle

CPU 6:     % user,     % nice,     % system,     % interrupt,     % idle

CPU 7:     % user,     % nice,     % system,     % interrupt,     % idle

Mem: 368M Active, 917M Inact, 14G Wired, 109M Cache, 1646M Buf, 155M Free

ARC: 9625M Total, 3308M MFU, 9316K MRU, 272K Anon, 224M Header, 6083M Other

Swap: 1788M Total, 1788M Free

[ys ~ # ] swapctl -l

Device:       1024-blocks     Used:

/dev/ada0p3      782336         0

/dev/md99       1048576         0

[ys ~ # ] cat /etc/fstab 

# Device Mountpoint FStype Options Dump Pass#

/dev/ada0p2 / ufs rw 1 1

/dev/ada0p3 none swap sw 0 0

md99 none swap sw,file=/swap0,late 0 0

[ys ~ # ] ls -l /swap0 

-rw-------  1 root  wheel  1073741824  3  9 10:17 /swap0