Add new shelf on DD880

Just add the last ES30 shelf with 2TB disks.  You can simplily find the instructions on DataDomain Document ID 72323.  The DD880 was setup with 5 ES20 shelves of 2TB disks.  So, we can only add one more ES30 shelf of 2TB.  Because you cannot mix ES30 with ES20 on the same loop, I arrange downtime to power down the DD880 before moving the ES20 to free up one loop.  That free loop is for the newly purchase ES30. 

For DDOS 5.1, you do need a shelf license and a Expanded Storage license.  Make sure you get your topology first before adding.  I will email a copy of autosupport to myself first.  On ES20, you do see the word host on the host port.  On ES30, they use diamond to represent ext port and circle represent host port.