[root@freenas] ~#  swapinfo
Device          1K-blocks     Used    Avail Capacity
/dev/da1p1        2097152       52  2097100     0%
/dev/da3p1        2097152       32  2097120     0%
/dev/da4p1        2097152      100  2097052     0%
/dev/da5p1        2097152       28  2097124     0%
/dev/da6p1        2097152       28  2097124     0%
/dev/da7p1        2097152       32  2097120     0%
/dev/da2p1        2097152       24  2097128     0%
Total            14680064      296 14679768     0%