Lenovo Storage D1212 Hardware Installation And Maintenance Manual page 68

Figure 52. Dual Host – Mixed 12G 2U and 5U Enclosures
Note: When two servers are connected, the dual host must be supported by application.
Multiple enclosures may be connected together using SAS patch cables, up to a maximum of two 5U
enclosures and two 2U12 enclosures, a maximum of two 5U enclosures and one 2U24 enclosures or a
maximum of 192 drives. An example configuration is shown as below.
48
Lenovo Storage D1212/D1224/D3284Hardware Installation and Maintenance Guide