HP BLc3000 HP BladeSystem Onboard Administrator User Guide - Page 8

Introduction Overview HP BladeSystem Onboard Administrator is the enclosure management processor, subsystem, and firmware base that supports the HP BladeSystem c-Class enclosure and all the managed devices contained within the enclosure. Onboard Administrator provides a single point from which to perform basic management tasks on server blades or switches within the enclosure. Onboard Administrator performs configuration steps for the enclosure, enables run-time management and configuration of the enclosure components, and informs you of problems within the enclosure through email, SNMP, or the Insight Display. HP recommends that you read the specific HP BladeSystem c3000 or c7000 Enclosure user guide for enclosure specific information before proceeding with Onboard Administrator setup. The HP BladeSystem Onboard Administrator provides several features designed to simplify management of c-Class blades and interconnects. The HP BladeSystem c3000 and c7000 Enclosures can be configured with redundant Onboard Administrator modules to provide uninterrupted manageability of the entire enclosure and blades in the event of a failure of a single Onboard Administrator module. The following table indicates which Onboard Administrator feature is enhanced when the enclosure contains redundant Onboard Administrator modules. For an enclosure with only a single Onboard Administrator module, the table indicates the behavior of the enclosure if the single Onboard Administrator module has failed or is removed. Enclosure Dynamic Power Capping, introduced in Onboard Administrator firmware version 2.31, is only available in HP BladeSystem enclosures with redundant Onboard Administrator modules installed. Benefits of using a redundant Onboard Administrator versus a single Onboard Administrator Onboard Administrator feature Single Onboard Single Onboard Administrator in enclosure Administrator failed or removed Redundant Onboard Administrator in enclosure Power allocation and control for all blades and interconnects Yes. No enclosure dynamic power capping as this requires redundant Onboard Administrators. No. Power supplies will Yes. Complete control continue to deliver power to including sustaining a failure all blades and interconnects. of either Onboard No power on requests can be Administrator. Enclosure made for blades or dynamic power capping interconnects. requires redundant Onboard Administrators. Cooling for all blades and interconnects. Yes. Complete control. Enclosure Bay IP Addressing Yes. Complete control. (EBIPA) No. All enclosure fans will Yes. Complete control, ramp to an un-managed including sustaining a failure higher speed to protect of either Onboard blades and interconnects from Administrator. overheating. No. EBIPA IP addresses will Yes. Complete control, be lost after lease timeout. including sustaining a failure of either Onboard Administrator. Ethernet communications to Yes. Complete control. Onboard Administrator, No Ethernet management communications including internal management traffic Yes. Complete control, including sustaining a failure of either Onboard Introduction 8