Chapter 2. Initial configuration 39
Storwize V5030
The Storwize V5030 supports up to 20 expansion enclosures per I/O group in two SAS chains
of 10. Up to 40 expansion enclosures can be supported in a two I/O group configuration. To
install the cables, complete the following steps:
1. By using the supplied SAS cables, connect the control enclosure to first expansion
enclosure by using the first chain:
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.
2. To connect a second expansion enclosure, use the supplied SAS cables to connect the
control enclosure to expansion enclosure by using the second chain:
a. Connect SAS port 2 of the left node canister in the control enclosure to SAS port 1 of
the left expansion canister in the second expansion enclosure.
b. Connect SAS port 2 of the right node canister in the control enclosure to SAS port 1 of
the right expansion canister in the second expansion enclosure.
3. To connect additional expansion enclosures, alternate connecting them between chain
one and chain two to keep the configuration balanced:
a. Connect SAS port 2 of the left canister in the previous expansion enclosure to SAS
port 1 of the left expansion canister in the next expansion enclosure.
b. Connect SAS port 2 of the right canister in the previous expansion enclosure to SAS
port 1 of the right expansion canister in the next expansion enclosure.
4. Repeat the steps until all expansion enclosures are connected.
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