Connection Of Additional Chassis; Correct Installation; Incorrect Installation - Hitachi AMS 2100 Hardware Manual

Connection of Additional Chassis

Additional chassis must be connected in order of the path number (Path #0
to Path #1) and Unit ID number (starting with Unit ID 0 at the bottom of
the rack). Path #0 to Path #1 must be populated before proceeding to the
next Unit ID levels.
The following figures show correct and incorrect configurations.

Correct installation

The following figure shows [1], [2] and [3] connected from left to right in
the order shown by the arrow to keep the path connection from bottom to
top in numerical order.
Figure 11-1: Correct Installation - Connecting the RKS/RKES/RKM/

Incorrect installation

The following figure is not correct because it shows Path #0 in the [3] row
is skipped, and Path #1 is connected.
Figure 11-2: Incorrect Installation - Connecting RKS/RKES/RKM/RKEM
11–2
Connection configuration restrictions
Hitachi AMS 2100/2300 Storage System Hardware Guide
RKEM and RKAK
and RKAK