Dual-controller
module configurations – directly attached
In the following figures, blue cables show controller module A paths, and green cables show controller module B paths for
host connection:
Figure 1. Connecting hosts: ME4 Series 2U direct attach – one server, one HBA, dual path![U direct attach – one server, one HBA, dual path](https://dl.dell.com/content/guides/public/Html/me4_series_dg_pub/images/GUID-04663A9C-D948-4F49-8C26-1D42D1B6D36B-low.jpg)
- Server
- Controller module in
slot A
- Controller module in
slot B
Figure 2. Connecting hosts: ME4 Series 5U direct attach – one server, one HBA, dual path![5U direct attach – one server, one HBA, dual path](https://dl.dell.com/content/guides/public/Html/me4_series_dg_pub/images/GUID-37C679DC-7C77-420B-8161-3280A20C0572-low.jpg)
- Server
- Controller module in
slot A
- Controller module in
slot B
Figure 3. Connecting hosts: ME4 Series 2U direct attach – two servers, one HBA per server, dual path![U direct attach – two servers, one HBA per server, dual path](https://dl.dell.com/content/guides/public/Html/me4_series_dg_pub/images/GUID-0BF34162-37FA-42B2-A25B-3B2724A8044F-low.jpg)
- Server 1
- Server 2
- Controller module in
slot A
- Controller module in
slot B
Figure 4. Connecting hosts:
ME4 Series 5U direct attach – two servers, one HBA per server, dual path![5U direct attach – two servers, one HBA per server, dual path](https://dl.dell.com/content/guides/public/Html/me4_series_dg_pub/images/GUID-5ED4955C-DF0F-4B87-BB5C-59B5717AC4F3-low.jpg)
- Server 1
- Server 2
- Controller module in
slot A
- Controller module in
slot B
Figure 5. Connecting hosts: ME4 Series 2U direct attach– four servers, one HBA per server, dual path![2U direct attach – four servers, one HBA per server, dual path](https://dl.dell.com/content/guides/public/Html/me4_series_dg_pub/images/GUID-A4D19743-E5D9-494A-A5FA-7F84CDB5C88A-low.jpg)
- Server 1
- Server 2
- Server 3
- Server 4
- Controller module A
- Controller module B
Figure 6. Connecting hosts: ME4 Series 5U direct attach – four servers, one HBA per server, dual path![U direct attach – four servers, one HBA per server, dual path](https://dl.dell.com/content/guides/public/Html/me4_series_dg_pub/images/GUID-0BA31E7C-0D82-4512-8000-9EFEF8C3083E-low.jpg)
- Server 1
- Server 2
- Server 3
- Server 4
- Controller module A
- Controller module B