text: You can use this option to migrate data between storage pools and devices. You might use 
  this option if you want to move volumes to multiple storage pools. Each volume can have 
  two copies at a time, which means that you can add only one copy to the original volume, 
  and then you must split those copies to create another copy of the volume. 
  
  (cid:2) Volume migration by using move to another pool. By using this option, you can move any 
  volume between storage pools without any interruption to the host access. This option is a 
  quicker version of the Volume Mirroring and Split into New Volume option. You might use 
  this option if you want to move volumes in a single step, or you do not have a volume 
  mirror copy. 
  
  **Migration:**Although these migration methods do not disrupt access, you must take a brief 
  outage to install the host drivers for your Storwize V7000 if you do not already have them 
  installed. 
  
  With Volume mirroring, you can move data to different MDisks within the same storage pool or 
  move data between different storage pools. Using Volume mirroring over Volume migration is 
  beneficial because with Volume mirroring, storage pools do not need to have the same extent 
  size as is the case with Volume migration. 