Add/Replace an Oracle Storage Drive Enclosure DE3-24 to/from DE2-24 Disk Shelves at Chain Middle
In this example, a configuration of eight Oracle Storage Drive Enclosure DE2-24 (4 chains) is upgraded by adding an Oracle Storage Drive Enclosure DE3-24 disk shelf to the middle of the rightmost chain.
Clustered ZS7-2 MR controllers with two HBAs connected to one Oracle Storage Drive Enclosure DE3-24 (right chain, second disk shelf) and eight Oracle Storage Drive Enclosure DE2-24 in four chains
![Clustered ZS7-2 MR controllers with two HBAs connected to one Oracle Storage Drive Enclosure DE3-24 (right chain, second disk shelf) and eight Oracle Storage Drive Enclosure DE2-24 in four chains Clustered ZS7-2 MR controllers with two HBAs connected to one Oracle Storage Drive Enclosure DE3-24 (right chain, second disk shelf) and eight Oracle Storage Drive Enclosure DE2-24 in four chains](img/zs7-2-mr_2-hba_1-de3.png)