Storwize V7000 Unified Gen2 Model Numbers - IBM Storwize V7000 Unified Problem Determination Manual

Table 78. Storwize V7000 Unified Gen1 model numbers (continued)
Machine
type/model Description
2076-124 Storwize V7000 Unified control enclosure for up to 24 2.5-inch (6.35
cm) drives
2076-312 Storwize V7000 Unified control enclosure for 3.5-inch drives (with two
10 Gbps iSCSI/FCoE Ethernet ports)
2076-324 Storwize V7000 Unified control enclosure for 2.5-inch drives (with two
10 Gbps iSCSI/FCoE Ethernet ports)
2076-212 Storwize V7000 Unified expansion enclosure for 3.5-inch drives
2076-224 Storwize V7000 Unified expansion enclosure for 2.5-inch drives
Storwize V7000 Unified Gen2 refers to the newer generation of enclosures in the
following table:
Table 79. Storwize V7000 Unified Gen2 model numbers
Machine
type/model Description
2076-524 Storwize V7000 Unified control enclosure, with up to 24 2.5-inch (6.35
cm) drives
2076-12F Storwize V7000 Unified expansion enclosure for up to 12 3.5-inch (8.89
cm) drives
2076-24F Storwize V7000 Unified expansion enclosure for 2.5-inch drives
Problem: Storwize V7000 Gen2 SAS cabling not valid
This topic provides information to be aware of if you receive errors that indicate
the SAS cabling is not valid.
Check the following items:
v No more than 10 expansion enclosures can be chained to port 1 (below the
control enclosure). The connecting sequence from SAS port 1 of the node
canister is called chain 1.
v No more than 10 expansion enclosures can be chained to port 2 (above the
control enclosure). The connecting sequence from SAS port 2 of the node
canister is called chain 2.
v Do not connect a SAS cable between a port on a left canister and a port on a
right canister.
v In any enclosure, the same ports must be used on both canisters.
v Do not connect a SAS cable between ports in the same enclosure.
v In each enclosure, where a cable connects from SAS port 1 of the left canister to
another enclosure, a cable must also connect from SAS port 1 of the right
canister to the other enclosure. Similarly, where a cable connects from SAS port 2
of the left canister to another enclosure, a cable must also connect from SAS port
2 of the right canister to the other enclosure.
v For cables connected between expansion enclosures, one end is connected to port
1 while the other end is connected to port 2.
v For cables that are connected between a control enclosure and expansion
enclosures, port 1 must be used on the expansion enclosures.
v The last enclosure in a chain must not have cables in port 2 of the left canister,
nor port 2 of the right canister.
Chapter 5. Control enclosure
247