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Installation Guide rp5400 Family of Servers > Chapter 3 Cabling and Power-Up
Guardian Service Processor (GSP) Overview |
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This section provides an overview of the Guardian Service Processor (GSP). The GSP is an always on, dedicated service processor that monitors system power, cooling and configuration, and provides console communications. Power and cooling information is obtained via an interface to the platform monitor card. Configuration information is obtained via connection to the Serial Presence Detect (SPD) bus. The GSP can only be installed in slot 2 and must be present for the server to power up. The GSP has downloadable firmware which can be updated independent of the HP-UX operating system. GSP firmware updates can occur anytime the GSP is active. If the DC power switch is OFF, the GSP is still operational and GSP firmware updates can still occur. GSP firmware updates may be performed by customers. If the GSP becomes hung, it is possible to reset the GSP without impacting the server. The GSP may be reset via the GSP RESET button on the right side of the card. The PCI cover panel (right side panel) must first be removed to allow access to the right side if the GSP card. The GSP has two connectors on the bulkhead. An RJ-45 for LAN connections and a female DB25 connector for RS-232 connections. Attach either a “W” or an “M” cable to the DB25 connector to provide individual output for CONSOLE, REMOTE and UPS. To access the GSP from the local ASCII console, type control b and the GSP> prompt will appear. It may be necessary to type control Ecf first. To exit the GSP, type GSP>co. The GSP was originally a core component of the revision A rp5400 (A5576A) and rp5450 (A5191A) servers. Beginning with introduction of the revision B rp5400 (A5576B), rp5450 (A5191B), and rp5470 Servers the GSP became a separate, must order product (A6696A). There are two revisions of rp54xx GSP: rev A (A6696A) and rev B (A6696B). Both GSPs must be installed in order for the server to power up. This LAN is exclusively for LAN console access and is not configurable via HP-UX. The LAN is configured via GSP commands. Hostname, IP, gateway and subnet mask parameters may be set via the GSP>lc command. The GSP may also initiate ping via the GSP>xd command. The DB25 connector on the GSP is used for RS-232 communications to a local console (via CONSOLE connector), a remote console via modem (REMOTE connector), and a UPS (UPS connector). The baud rate, term type, etc., of the CONSOLE and REMOTE ports are configured via GSP>ca command. The GSP supports VT100 and HPTERM terminal emulation. For correct communications, the GSP and RS-232 device must use the same terminal emulation and baud rates. The revision A GSP provides a 10 base-T LAN connector for LAN console access and a DB-25 connector to which the A5191-63001 W-cable connects. The W-cable provides REMOTE, UPS, and CONSOLE DB-9 connectors. Features of the revision A GSP are:
There are two revisions of rp54xx GSP: revision A (A6696A) and revision B (A6696B). Due to significant hardware differences between the revision A and B GSP, each GSP requires it’s own firmware. Revision A GSP firmware can only be installed in a revision A GSP and revision B GSP firmware can only be installed in a revision B GSP. The hardware differences are necessary to incorporate the embedded web access, 10/100 Base-t LAN, and faster GSP processor. The GSP provides four types of console access: RS-232, Remote, LAN and Web. Console information is mirrored to all four console types. Refer to “Configure System Consoles” for more information. The GSP was originally a core component of the revision A rp5400 (A5576A) and rp5450 (A5191A) servers. Beginning with introduction of the revision B rp5400 (A5576B), rp5450 (A5191B), and rp5470 Servers the GSP became a separate, must order product (A6696A). The revision A GSP is identified by product number A6696A and part numbers: A5191-60012, A5191-69012, and A5191-69112. The revision A GSP requires a “W” cable to be attached to the DB25 connector. The part number of the “W” is A5191-63001. The “W” cable provides female DB9 connectors for CONSOLE, REMOTE and UPS. The maximum supported baud rate for the CONSOLE and REMOTE connectors is 19200 baud and 1200 baud for the UPS. The paths for the CONSOLE, UPS, and REMOTE are 0/0/4/0.0, 0/0/4/0.1, and 0/0/4/0.2 respectively. For the rev A GSP, the web console is accomplished by shipping one J3591A Secure Web Console with each rp54xx Server. The Secure Web Console can be used in place of an ASCII console to provide console access via a web connection. If you are installing an rp54xx Server that does not have an ASCII console, you may use the Secure Web Console as the console. However, you must first configure the Secure Web Console. Refer to “Secure Web Console Installation” for more information on SWC Installation/Configuration. The revision B GSP is identified by product number A6696B and part numbers: A6144-60012, A6144-69012, and A6144-69112. The revision B GSP requires an “M” cable to be attached to the DB25 connector. The part number of the “M” cable is A6144-63001. The “M” cable provides female DB9 connectors for CONSOLE, REMOTE, and UPS. The maximum supported baud rate for the CONSOLE and REMOTE connectors is 38400 baud and 1200 baud for the UPS. The paths for the CONSOLE, UPS, and REMOTE are 0/0/4/1.0, 0/0/4/1.1 and 0/0/4/1.2 respectively. |
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