IBM DS3200 Storage Subsystem manual Direct-attached single-controller connections

To connect a SAS host bus adapter (HBA) to the DS3200 storage subsystem, complete the following steps:

1.Connect a SAS cable from the DS3200 RAID controller host port to the SAS HBA that is in the host. Figure 13 on page 23 shows the location of the DS3200 host ports.

2.Create a redundant host connection:

v If the DS3200 is a single-controller storage subsystem, connect a SAS cable from the second SAS HBA to another host port on the DS3200 RAID controller. You can create a maximum of one redundant host connection to a single-controller DS3200.

vIf the DS3200 is a dual-controller storage subsystem, connect a SAS cable from the second SAS HBA to a host port on the other RAID controller on the DS3200. You can create a maximum of three redundant host connections to a dual-controller DS3200.

See “Direct-attachedsingle-controller connections” and “Direct-attacheddual-controller connections” on page 40 for illustrations of host connections.

Direct-attached single-controller connections

The following illustration shows a direct-attached SAS connection to a single host HBA.

Host system

with single host

adapter

DS3200

Figure 26. Single-controller direct-attached connection to a single-host HBA

38System Storage DS3200 Storage Subsystem: Installation, User’s, and Maintenance Guide