====== swapスペースを追加する方法 ======

こんなエラーが出始めたら・・・
  swap_pager_getswapspace: failed
  swap_pager_getswapspace: failed
  swap_pager_getswapspace: failed

====== suwapスペースを確保(2GBの場合) ======
<code console>
 # dd if=/dev/zero of=/usr/SWAPFILE bs=1m count=2000
</code>

====== /etc/rc.confに追加 ======
<code console>
 # vi /etc/rc.conf
 ---追加----
 swapfile="/usr/SWAPFILE"
</code>

====== 確認 ======
<code console>
 # pstat -s
 Device          1K-blocks     Used    Avail Capacity
 /dev/ad0s1b        524288      120   524288     0%
 /dev/md0          2048000      136  2048000     0%
 Total             2572288      256  2572032     0%
</code>