zfs create -V 4G pool1/swap2swap -a /dev/zvol/dsk/pool1/swap2vi /etc/vfstab
StartAction : SystemDefault | PowerOn | PowerOff | none (PowerOffはエラーが出る)StartDelay : 数StartOrder : 1〜可能にゃ数StopAction : SystemDefault | GuestShutDown | PowerOff | Suspend | noneStopDelay : 数WaitForHeartbeat : yes | no