Compaq ProLiant 8000 Compaq ProLiant 8000 Server Technology
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- Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 1
ROM Configuration 20 Integrated Management Display 21 Integrated Remote Console... 21 Remote Insight Board/PCI Option 21 Serviceability Features 22 Conclusion 22 ... Compaq ProLiant 8000 Server Technology This technology brief describes the high-performance, high-availability, storage, and - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 2
FirstPaq, SolutionPaq, EasyPoint, EZ Help, MaxLight, MultiLock, QuickBlank, QuickLock, UltraView, Innovate logo, and Compaq PC Card Solution logo are trademarks and/or service marks of Compaq Computer Corporation. Microsoft, Windows, Windows NT, Windows NT Advanced Server, SQL Server for Windows NT - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 3
and serial number and replacing only select components for the upgrade. For more information, see the 8-way upgrade website at http://www.compaq.com/upgrade/8-way. This technology brief explains the features of the ProLiant 8000 server and describes the management and storage technologies that - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 4
for up to eight Pentium III Xeon processors • Support for up to 16 GB of two-way, cache-line interleaved SDRAM • Dual cache accelerators • I/O filter • Three Compaq designed host-to-PCI bridges 2-Way Cache-Line Interleaved SSDDRRAAMM SSDDRRAAMM Pentium III Xeon Pentium III Xeon Pentium III - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 5
TC000603TB TECHNOLOGY BRIEF (cont.) ... Profusion Chipset At the heart of the 8-way architecture is the Profusion chipset. The chipset uses a five-point crossbar switch (Figure 2) to connect processor buses, memory ports, and the I/O bus. The crossbar switch contains static random access memory ( - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 6
MB/s. AGTL+ buses facilitate higher clock speeds without significantly reducing the bus length or number of electrical loads. Each 100-MHz AGTL+ bus can support a maximum of five loads per bus. This allows four processors and one connection to the memory controller on each processor bus. The use of - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 7
32 GB of memory, industry-standard OSs provide only minimal support and scalability for this memory capacity, and enhanced support will not be available for an extended period. Also, in discussions with customers, Compaq learned that very few server implementations are fully configured with memory - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 8
five 64-bit PCI Hot Plug slots. PCI Bus 3 operates at 66 MHz with two 64-bit PCI Hot Plug slots. The Compaq 8-way architecture will support up to four Compaq host-to-PCI bridges. However, by incorporating only three host-to-PCI bridges, the ProLiant 8000 server has room on the I/O board - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 9
TC000603TB TECHNOLOGY BRIEF (cont.) ... PCI Hot Plug Technology The host-to-PCI bridges include electronics to support PCI Hot Plug technology, which was pioneered by Compaq. PCI Hot Plug technology provides the ability to remove, replace, upgrade, and add PCI adapters without shutting down the - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 10
performance bottleneck. Katmai's memory streaming enables the processor to prefetch data from system memory to cache memory. During writes to memory, other new instructions can tell the processor to bypass the L2 cache and write data directly back to memory. Bypassing the L2 cache frees room in the - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 11
pioneered by Compaq, adds hot-plug capabilities to existing PCI adapters for increased system availability and serviceability. Compaq led the Hot expansion - adding a PCI adapter to an empty slot The ProLiant 8000 server supports all three hot-plug capabilities for all 64-bit and 32-bit PCI Hot Plug - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 12
NIC can be replaced without rebooting the system. Thus, the end user can have continuous service and the administrator can greatly reduce planned and unplanned downtime. The ProLiant 8000 server supports a Compaq NC3131 Fast Ethernet controller on the PCI local bus. The NIC has two ports for 10BaseT - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 13
TC000603TB TECHNOLOGY BRIEF (cont.) ... Redundant Hot-Plug Fans The ProLiant 8000 server has four primary hot-plug fans (external) and four redundant fans (internal) for the processor and memory section. The rear pair of primary hot-plug fans for the processor and memory section is enclosed in a - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 14
up to 8 processors, 21 hard disk drives, and 11 I/O expansion boards. As a precaution against increases in ambient air or localized internal temperatures, Compaq established three thermal trip points, as shown in Figure 8. If the first thermal trip point is reached, the fans adjust automatically to - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 15
the system board. PPMs are also known as voltage regulator modules. The PPMs deliver the precise voltage required by the processors. Compaq PPMs are programmable and support all current and future versions of Xeon processors. Each PPM has redundant circuitry. If a failure occurs in one circuit of - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 16
10-second delay counter begins as a message warning of an imminent power-down goes to Compaq Insight Manager and the IMD. Because of the communication between the ACPI controller and the OS, down control feature is supported under Microsoft Windows NT and Novell NetWare. SCO is planning to implement - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 17
-up and power-down sequences, enables the health drivers to calculate redundancy "on the fly," and informs the health drivers of changes in load. Compaq hot-plug power supplies are readily identifiable by their portcolored bezel, as shown in Figure 11. Port-colored bezel Figure 11: Front view of - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 18
mode with the Smart Array 4250ES controller, which is a Wide Ultra SCSI device. Array Controller Technology The ProLiant 8000 server supports up to two Compaq Smart Array 4250ES controllers-providing high-performance and ease-of-use features. The Smart Array 4250ES controller offers three Wide Ultra - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 19
server problems, configuring new hardware, and upgrading ROMs. For example, an administrator can analyze the system configuration files to Compaq Insight Manager through a dial-up networking, or asynchronous, connection. This gives an administrator additional flexibility in troubleshooting problems - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 20
• System ROM Flash Service. The System ROM Flash Service allows the user interface and images are available from the Compaq website at http://www.compaq.com/support/files/server/us/index.html. It is the ROM flash process, it is possible for a problem to occur. Typically, a failure during the ROM - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 21
If the IMD unit is removed and replaced, all key event and system information is still available. Integrated Remote Console IRC consists of a Compaq designed ASIC and associated firmware. IRC allows out-of-band, or asynchronous, management capabilities such as remote console and remote reset. These - Compaq ProLiant 8000 | Compaq ProLiant 8000 Server Technology - Page 22
troubleshooting features that none of the other Compaq tools can. Remote Insight provides both numeric and alphanumeric paging. Other essential troubleshooting to expect from Compaq servers. In addition, Compaq has integrated key management technologies and serviceability features that further
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T
ECHNOLOGY
B
RIEF
1
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June 2000
Compaq Computer
Corporation
ISSD Technology
Communications
C
ONTENTS
Introduction
.......................
3
High-Performance
Technologies
.....................
3
ProLiant
8000 Architecture
......
4
Pentium III Xeon
Processor Technology
...........
10
High-Availability
Technologies
....................
11
PCI Hot Plug Technology
......
11
Redundant Array
Controller Technology
...........
12
Redundant Network Interface
Controller Technology
...........
12
Redundant Hot-Plug Fans
.....
13
Redundant Processor
Power Modules
.....................
15
Redundant Hot-Plug
Power Supplies
....................
15
Hot-Plug Hard Disk Drives
.....
18
Storage
Technologies
....................
18
Hard Drive Technology
..........
18
Array Controller Technology.. 18
Management
Technologies
....................
19
Remote-Flash
Redundant ROM
...................
19
Auto-Default
ROM Configuration
...............
20
Integrated Management
Display
.................................
21
Integrated Remote Console... 21
Remote Insight
Board/PCI Option
.................
21
Serviceability
Features
............................
22
Conclusion
........................
22
Compaq ProLiant
8000 Server Technology
This technology brief describes the high-performance, high-availability, storage, and
management technologies built into the
Compaq ProLiant
8000 server.
The high-
performance technologies include a new 8-way system architecture driven by the
Profusion chipset codeveloped by Compaq, Intel, and Corollary, as well as Intel’s
Pentium III Xeon processors.
In addition, new disk drive technology and a new extended
SCSI controller with redundancy capability allows the
ProLiant
8000 server to deliver
maximum highly available internal storage capacity.
The high-availability technologies include redundant internal array controllers; PCI Hot
Plug technology; redundant hot-plug power supplies, drives, and fans; and redundant
processor power modules.
The
ProLiant
8000 design also contains easy-access
components that reduce downtime for service or upgrades.
Key management
technologies, such as the Integrated Remote Console, Integrated Management Display,
Remote-flash Redundant ROM, and auto-default ROM configuration, further enhance
availability.
The intended audience for this paper is engineers and system administrators familiar
with existing Compaq technology and servers.
For those less familiar with Compaq
technology, please see the related technology briefs referenced in this document.
For
more information about the
ProLiant
8000 server, see the complete list of features at
.
Please direct comments regarding this communication to the ISSD Technology Communications Group at this Internet
address: