IBM DS3500, Инструкция по установке, использованию и обслуживанию

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Single-controller and dual-controller connections via SAS switch:
The illustration Figure 3-36 shows the connections from the host server to the dual-controller or
single-controller DS3500 using one SAS switch. This figure also illustrates the use of the SAS switch to
allow the host server connected to multiple DS3500s.
The illustration Figure 3-37 on page 3-33 shows the connections from the host server to the
dual-controller DS3500 using two SAS switches that are not connected together. Each switch forms its
Host system
with dual host
adapters
DS3500
Host system
with dual host
adapters
Figure 3-35. Dual-controller direct-attached SAS connections to multiple HBAs in multiple hosts
SAS switch
Host system
with one SAS
host adapter
Host system
with one SAS
host adapter
DS3500
with Dual-
controller DS3500
with Single-
controller
e35i001
1
Figure 3-36. Dual-controller DS3500 or single-controller DS3500 SAS connection to multiple hosts using one SAS
switch
3-32
System Storage DS3500 and EXP3500: Installation, User's, and Maintenance Guide