Chapter 3: Subsystem Connection
Sample Topologies
3-13
3.4.3 DAS, Fault-Tolerant Connection w/ Onboard Hub
The diagram below shows application servers that are directly attached
using fault-tolerant data paths without FC switches.
Figure 3-7: Direct-Attached Storage Using Onboard Hub
Please note, in the example shown in
Figure 3-7,
the host channels are
configured in the following way.
Channel Settings
Host
CH0 and CH1
Drive
Via system bus, through the backplane
Onboard Hub
Enabled
Configuration Information
RAID controller
2
Host servers
4
Data path connection
Fault-tolerant configuration
Host channel bandwidth
8 Gb/s
Max. number of drives
16