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Up to four ERMs can be used for even longer battery-supported system run time. HP supports
the HP AF434A ERM.
WARNING! UPS's and ERMs must be mounted in the lowest portion of the NonStop
BladeSystem to avoid tipping and stability issues.
NOTE: The R12000/3 UPS has two output connectors. For I/O racks, only the output connector
to the rack level PDU is used. For processor racks, one output connector goes to the c7000 chassis
and the other to the rack PDU. For power feed setup instructions, see “NonStop BladeSystem
Power Distribution” (page 37) and “Power Feed Setup for the NonStop BladeSystem” (page 38).
For the R12000/3 UPS power and environmental requirements, refer to Chapter 3 (page 37). For
planning, installation, and emergency power-off (EPO) instructions, refer to the HP 3 Phase UPS
User Guide. This guide is available at:
http://bizsupport.austin.hp.com/bc/docs/support/SupportManual/c01079392/c01079392.pdf
For other UPS's, refer to the documentation shipped with the UPS.
Enterprise Storage System (Optional)
An Enterprise Storage System (ESS) is a collection of magnetic disks, their controllers, and a disk
cache in one or more standalone cabinets. ESS connects to the NonStop BladeSystem via the
Storage CLIM's Fibre Channel HBA ports (direct connect), Fibre Channel ports on the IOAM
enclosures (direct connect), or through a separate storage area network (SAN) using a Fibre
Channel SAN switch (switched connect). For more information about these connection types,
see your service provider.
NOTE: The Fibre Channel SAN switch power cords might not be compatible with the modular
cabinet PDU. Contact your service provider to order replacement power cords for the SAN switch
that are compatible with the modular cabinet PDU.
Cables and switches vary, depending on whether the connection is direct, switched, or a
combination:
Fibre Channel SwitchesCablesConnection
02 Fibre Channel ports on IOAM
(LC-LC)
Direct connect
02 Fibre Channel HBA ports on
Storage CLIM (LC-MMF)
1
1 or more4 Fibre Channel ports (LC-LC)Switched
1 or more4 Fibre Channel HBA ports on
Storage CLIM (LC-MMF)
12 Fibre Channel ports for each direct
connection
Combination of direct and switched
14 Fibre Channel ports for each
switched connection
1 Customer must order the FC HBA ports on the Storage CLIM.
Figure 1-3 shows an example of connections between two Storage CLIMs and an ESS via separate
Fibre Channel switches:
22 NonStop BladeSystem Overview