Required Configuration
Required ConfigurationRequired Configuration
Required Configuration
Minimum Required Number of Cells
Minimum Required Number of CellsMinimum Required Number of Cells
Minimum Required Number of Cells
Minimum Required Number of Core I/Os
Minimum Required Number of Core I/OsMinimum Required Number of Core I/Os
Minimum Required Number of Core I/Os
>16 I/O card slots
3 4
1
>24 I/O card slots
4 4
1
>4 Disks
3 4
1
>6 Disks
4 4
1
3 Removable Media
3 4
1
4 Removable Media
4 4
1
3 Hard Partitions
3 4
1
4 Hard Partitions
4 4
1
NOTE 1:
NOTE 1:NOTE 1:
NOTE 1:
Two Core I/O cards must be purchased and configured in the SEU.
AC/DC Power
AC/DC PowerAC/DC Power
AC/DC Power
DC Power Supplies
DC Power SuppliesDC Power Supplies
DC Power Supplies
The HP 9000 rp8420 Server supports up to six hot-swap bulk power supplies for 2N+1 protection. The
hot-swap design allows for the replacement of a failed power supply without interrupting server
operation. Two supplies are included with the base system. A minimum of one additional supply is
required for each cell board. Following this rule, all configurations will have 2N+1 power protection.
PCI Power Supplies: Each PCI power supply is dedicated to a single I/O bay. A PCI power supply failure
will affect the hard partition or nPar utilizing that PCI supply and the associated I/O bay. All other nPars
will continue normal operation. For high availability, consider mirroring two nPars using
MC/Serviceguard. PCI power supplies are not hot-swap capable.
AC Power
AC PowerAC Power
AC Power
The HP 9000 rp8420 Server contains four C20 power receptacle ports located at the bottom rear
bulkhead. A minimum of two power cords must be used to maintain normal operation of the HP 9000
rp8420 Server. A second set of two cords can be used to improve system availability by protecting, for
example, against power grid failures or accidentally tripped circuit breakers. The HP 9000 rp8420
Server hardware is capable of receiving AC input from two different AC power sources. The objective is
to maintain full equipment functionality when operating from power source A and power source B, or A
alone, or B alone. This capability is called "fault tolerant power compliance".
Although many HP 9000 rp8420 Server configurations can be sufficiently powered from a single 16 /20
amp branch circuit, HP strongly recommends using one 16 amp (minimum) branch circuit per power
cord. Due to the variety of 16/20 plugs used throughout the world, the HP 9000 rp8420 Server menu
offers a choice of plug options.
All HP 9000 rp8400 servers are shipped with four AC power cords.
QuickSpecs
HP 9000 rp8420 Server
HP 9000 rp8420 ServerHP 9000 rp8420 Server
HP 9000 rp8420 Server
Configuration
DA - 11894 Worldwide — Version 25 — March 1, 2007
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