title: How to format external drive into ZFS?
body: <p>I've installed MacZFS in 10.9.5 successfully, but I don't know how to simply format the external drive into ZFS on OSX. I'm confused with zpools, can anybody explains what are the zpools and how to format the drive?</p>
  
  <p>My drive is: /dev/disk3.</p>
  
  <p>diskutil partitiondisk /dev/disk3 GPTFormat ZFS %noformat% 100%</p>
  
  <p>This command running successfully but the next command </p>
  
  <p>zpool create extdrive /dev/disk3s2 </p>
  
  <p>is not working properly, showing error :</p>
  
  <p>cannot open '/dev/disk3s2': Permission denied</p>
  
  <p>internal error: Unknown error: -22</p>
  
  <p>Abort trap: 6 </p>