EonStor U16U Installation and Hardware Reference Manual
1-4
Product Overview
Channel Type
Channel Assignment
Host
CH0 and CH1
Drive
CH2 and CH3
Expansion (Configured as drive channels)
CH4 and CH5
Table 1-2: Channel Pre-configurations
The following two diagrams show the data paths for the six channel and four channel
models.
1.2.4.1 6 Channel Bus Diagram
Figure 1-2
below shows a 6-channel (ES U16U-G40106) RAID subsystem
cascaded to a JBOD. Channels 0 and 1 are connected to host computers.
Channels 2 and 3 connect to the disk drives housed in the RAID subsystem.
Channels 4 and 5 connect to an expansion module (JBOD).
Figure 1-2: Data Path Diagram – Cascaded Enclosures
1.2.4.2 4 Channel Bus Diagram
Figure 1-3
below shows a 4-channel (ES U16U-G40104) RAID subsystem.
Channels 0 and 1 are connected to host computers. Channels 2 and 3 connect
to the disk drives housed in the RAID subsystem. There are no SCSI ports
on the controller box.
