HP 1U User Manual

The HP BladeSystem p-Class 1U power enclosure: hot-plug, redundant power for a server blade enclosure technology brief Abstract...

10 Remote access to the serial port IT administrators can enable remote access to the serial port in two different ways: 1. Through the HP Serial C

11 Management link cable To provide two-way communication, connect a management link cable from the power management module of the 1U power enclosure

12 Infrastructure configurations When using the HP BladeSystem p-Class 1U power enclosure, follow the general guidelines in Table 4 to install the p

13 Using PDUs with the 1U power enclosure When using PDUs within an HP BladeSystem environment, key considerations include redundancy, volt-ampere (V

14 Power supplies installed in bay 2 in each of the 1U power enclosures should also be connected to a different phase on the PDU. Figure 8 illustrate

15 Standard configurations The following configurations review some common usage scenarios for the HP BladeSystem p-Class 1U power enclosure, includi

16 Using ProLiant BL30p server blades In this configuration the rack contains four enhanced server blade enclosures, four 1U power enclosures and six

17 Using ProLiant BL20p server blades In this configuration, the rack contains six enhanced server blade enclosures, six 1U power enclosures, and six

18 Risks associated with extreme density While it is possible to build a fully populated a rack with server blades and retain power supply and line c

19 47U rack Mounting the PDUs in the 1U configuration requires an additional 3U of vertical space in the rack. Three PDUs must be mounted facing the

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20 Standard 42U rack This configuration, while possible, may cause issues because of the limited access to the PDUs in the 0U space after all the ser

21 Figure 13. AC feed redundancy using the HP R5500XR UPS Conclusion The HP BladeSystem p-Class 1U power enclosure is a vital component of the HP

For more information For additional information, refer to the resources listed below. Resource description Web address HP BladeSystem website www.h

3 Abstract The HP BladeSystem p-Class1U power enclosure provides hot-plug, redundant power for a single enclosure of HP ProLiant BL p-Class server bl

4 Figure 1. HP BladeSystem p-Class 1U power enclosure bays Table 1. HP BladeSystem p-Class 1U power enclosure bay descriptions Item Description C

5 Hot-plug power management module The hot-plug power management module monitors the power subsystem components and regulates the power-up sequence o

6 down to the next enclosure and continues until the bottom right blade in the bottom server blade enclosure is powered. In a rack that contains man

7 Dynamic power saver The dynamic power saver feature in the HP BladeSystem p-Class 1U power enclosure provides for efficient use of power in the ser

8 Enabling dynamic power saver To configure the dynamic power saver, the power management module must be removed from the 1U power enclosure and the

9 Status information Description Power supply redundancy (enclosure N+1 redundancy) Indicates whether there are sufficient power supplies to take ov