Chapter 11. Hardware Management Console and Support Elements 435
Figure 11-34 depicts an ensemble with a zEC12, a z13s, and a stand-alone zBX servers that
are managed by the Unified Resource Manager in the primary and alternate HMCs.
Figure 11-34 Ensemble example with primary and alternate HMCs
For the stand-alone CPC ensemble node (zEC12), an OSA-Express4S (CHPID type OSD)
connects to the zBX intraensemble data network (IEDN) switch. The HMCs also
communicate with all the components of the ensemble by using the System Control Hub
(SCH) in the z13s server, the BPH in the zEC12, and the INMN switch in the zBX Model 004.
The OSA-Express5S (or OSA Express 4S) 10 GbE ports (CHPID type OSX) in the z13s
server are plugged with customer-provided 10 GbE cables to the IEDN zBX switch. These
cables are either short reach (SR) or long reach (LR), depending on the OSA feature.
SCH
SE
BladeCenter
ESM
10GbE
AMM
INMN switch
IEDN switch
O
S
X
O
S
M
O
S
D
BPH
HMC (Alternate)HMC (Primary)
Customer provided management network
Customer provided data network
Intranode management network
Intraensemble data network
z13s zBX
zEC12
Ensemble
FC storage
FCSM
zBX’s SE
ESM
1GbE
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