Table 13. Summary of SAS chains and enclosures
System Expansion
ports
Number of
SAS chains
supported
Control
enclosures
per system
Expansion
enclosures
per chain
Maximum
Number of
Enclosures
Storwize
V5010 and
Storwize
V5020
Port 1 only 1 1 10 11
Storwize
V5030 and
Storwize
V5030F
Port 1 and
Port 2
2 1 10 21
Each set of expansion enclosures is connected together sequentially through the IN
and OUT SAS ports, forming a chain with a control enclosure at the end of the
chain.
Note: When connecting SAS cables between enclosures, you must follow a list of
guidelines to ensure that your configuration is valid. Do not begin connecting the
cables until you have read “SAS cabling guidelines” on page 28.
Procedure
To install the cables, complete the following steps.
1. Using the supplied SAS cables, connect the control enclosure to the expansion
enclosure at rack position 1, as shown in the following figures.
a. Connect SAS port 1 of the left node canister in the control enclosure to SAS
port 1 of the left expansion canister in the first expansion enclosure.
b. Connect SAS port 1 of the right node canister in the control enclosure to
SAS port 1 of the right expansion canister in the first expansion enclosure.
Figure 18 on page 25 shows how to connect SAS cables on a Storwize V5010
system.
24 Storwize V5000 Gen2: Quick Installation Guide
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