Lenovo System x3850 X6 Manuale utente

Lenovo System x3850 X6 and x3950 X6

Quick Start Guide

Abstract

The Lenovo® System x3850 X6 and x3950 X6 servers are new four-socket and eight-socket

servers that deliver fast application performance thanks to an innovative scalable design and

new storage technology that is designed to optimize overall solution performance. These

servers are based on the highly scalable Intel Xeon processor E7-4800 v2 and E7-8800 v2

product families and are the first servers designed and optimized for eXFlash™

memory-channel storage, the latest in ultra-low latency flash storage technology.

This quick start guide addresses the preferred practices for setting up the x3850 X6 and

x3950 X6 servers. It provides all of the information necessary to unpack a system and be up

and running in the minimal amount of time. The paper provides insightful information from

experts in the field and in development and covers the system architecture and major

subsystems such as memory, I/O, power and cooling. The paper also offers a pre-installation

checklist and tips on troubleshooting. This paper is intended for pre-sales and post-sales

technical support professionals.

Contents

Introducing the x3850 X5 and x3950 X6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Memory subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

I/O subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Power subsystem. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Cooling subsystem. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Pre-installation checklist. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Troubleshooting tips. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Related publications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

John R. Encizo

Timothy M. Wiwel

Loc X. Nguyen

2Lenovo System x3850 X6 and x3950 X6 Quick Start Guide

Introducing the x3850 X5 and x3950 X6

The Lenovo X6 product portfolio represents the sixth generation of servers that are built upon

Enterprise X-Architecture. Enterprise X-Architecture is the culmination of generations of

Lenovo technology and innovation that is derived from the experience in high-end enterprise

servers. Now, with the X6 servers, scalable systems can be expanded on demand and

configured by using a building block approach that optimizes system design for your workload

requirements. These servers scale to more processor cores, memory, and I/O than previous

systems, enabling them to handle greater workloads than the systems that they supersede.

Power efficiency and server density are optimized, making them affordable to own and

operate.

The Lenovo System x3850 X6 and x3950 X6 servers deliver fast application performance

thanks to an innovative scalable design and new storage technology that is designed to

optimize overall solution performance. The X6 servers are the first servers designed and

optimized for eXFlash memory-channel storage. With eXFlash memory-channel storage, they

can deliver up to 12.8 TB of ultra-low latency flash storage. With the new Intel Xeon processor

E7-4800 v2 and E7-8800 v2 product families, the x3850 X6 and x3950 X6 servers can deliver

up to 6.0 TB or 12 TB of memory and 60 or 120 cores of processing power, respectively.

Figure 1 shows the x3850 X6 server.

Figure 1 x3850 X6 server

The x3850 X6 server has the following key characteristics:

򐂰Up to four Intel Xeon processor E7-4800 v2 or E7-8800 v2 product family processors

򐂰Up to 96 DIMM slots (24 DIMM slots per processor) for up to 6 TB of memory (using

64 GB DIMMs)

򐂰Up to 1600 MHz DDR3 memory speeds and up to 2667 MHz SMI2 link speeds

򐂰Up to 12.8 TB of eXFlash memory-channel storage

򐂰Up to eight 2.5-inch hot-swap drives or up to 16 1.8-inch hot-swap solid-state drives

(SSDs)

򐂰Support for 12 Gbps serial-attached SCSI (SAS) connectivity for the internal storage

Lenovo System x3850 X6 and x3950 X6 Quick Start Guide 3

򐂰Mezzanine LOM (ML) slot for the integrated network interface controller (NIC) functionality

(choice of dual-port 10 GbE or quad-port 1 GbE adapters)

򐂰Up to 11 PCIe 3.0 I/O slots

򐂰Internal USB port for the embedded hypervisor

򐂰Three USB ports on the front of the server, 2x USB 3.0 and 1x USB 2.0

Figure 2 shows the x3950 X6 server.

Figure 2 x3950 X6 server

The x3950 X6 server has the following key characteristics:

򐂰Up to eight Intel Xeon processor E7-8800 v2 product family processors

򐂰Up to 192 DIMM slots (24 DIMM slots per processor) for up to 12 TB of memory (using

64 GB DIMMs)

򐂰Up to 1600 MHz DDR3 memory speeds and up to 2667 MHz SMI2 link speeds

򐂰Up to 12.8 TB of eXFlash memory-channel storage

򐂰Up to 16 2.5-inch hot-swap drives or up to 30 two 1.8-inch hot-swap SSDs

򐂰Support for 12 Gbps SAS connectivity for the internal storage

򐂰Two ML slots for the integrated NIC functionality (choice of dual-port 10 GbE or quad-port

1 GbE adapters)

򐂰Up to 22 PCIe 3.0 I/O slots

򐂰Two internal USB ports for the embedded hypervisors

򐂰Six USB ports on the front of the server, 4x USB 3.0 and 2x USB 2.0

4Lenovo System x3850 X6 and x3950 X6 Quick Start Guide

The supported operating systems for both x3850 X6 server and x3950 X6 server include:

򐂰Microsoft Windows Server 2008 R2

򐂰Microsoft Windows Server 2012

򐂰Microsoft Windows Server 2012 R2

򐂰Red Hat Enterprise Linux 6.5+

򐂰SUSE Linux Enterprise Server 11 SP1+

򐂰VMware vSphere (ESXi) 5.1 U1+

򐂰VMware vSphere (ESXi) 5.5

Architecture

To ensure proper function of the X6 server, the system should be configured correctly at the

time of purchase. The block diagram of the system in Figure 3 shows that proper memory and

I/O placement is critical for optimal performance. With the move to the Intel Ivy Bridge

processors in the X6 platform, the I/O is now directly attached to the processors. Additionally,

memory population rules have become more complex because each channel now has three

DIMMs and different memory modes.

There are a few general preferred practices in regards to configuring the system. Memory

should be installed in quantities of eight DIMMs per CPU for optimal performance and to

avoid any potential issues with memory installation order interfering with the memory mode

chosen. For best I/O performance, install the correct amount of adapters so that as many

processors as possible have a direct connection to I/O.

Figure 3 x3850 X6 system architecture

SMI

links

MB 2

MB 1

X6 DDR3

Compute Book

QPI links

Intel

Xeon

CPU 1

MB 2

MB 1

MB 2

MB 1

MB 2

MB 1

MB 2

MB 1

DMI

links

Slot 7: PCIe 3.0 x16 (x16)

Slot 9: PCIe 3.0 x16 (x16)

MB 2

MB 1

MB 2

MB 1

MB 2

MB 1

8x USB

Serial

Management

Video

IMM2

PCIe x1

Slot 10: Mezz LOM (x8)

Slot 12: PCIe 3.0 x16 (x8)

Intel

Xeon

CPU 2

Slot 8: PCIe 3.0 x16 (x8)

Slot 11: PCIe 3.0 x16 (x8)

Intel

Xeon

CPU 4

Intel

Xeon

CPU 3

Slot 1: PCIe 3.0 x16 (x16)

Slot 2: PCIe 3.0 x8 (x8)

Slot 3: PCIe 3.0 x8 (x8)

Slot 4: PCIe 3.0 x16 (x16)

Slot 5: PCIe 2.0 x8 (x8)

Slot 6: PCIe 3.0 x16 (x16)

Storage Book

Primary I/O Book

PCIe 3.0 lanes

Full Length I/O Book

Half Length I/O Book

PCIe 3.0 lanes

Intel

I/O Hub

PCIe

switch

Lenovo System x3850 X6 and x3950 X6 Quick Start Guide 5

Memory subsystem

The memory subsystem can operate in one of the following modes:

򐂰Independent (Performance) mode

򐂰Lockstep (RAS) mode

In Performance mode, each channel on an SMI is addressed independently, essentially

providing the ability to run two transactions at once. In Lockstep mode, a pair of DIMMs

spread across both channels on an SMI is addressed simultaneously. Lockstep mode

provides higher memory frequency and memory reliability (Double Device Data Correction

+1 bit) but at the expense of higher memory bandwidth. Conversely, Independent mode

provides higher memory bandwidth at the cost of advanced memory RAS features and

memory frequency (Single Device Data Correction only).

Figure 4 shows the two memory modes.

Figure 4 Memory modes: Performance mode (left) and RAS mode (right)

Intel Xeon processor

DIMM

Memory

controller

DIMM

Memory

controller

DIMM

Memory

buffer

Memory

buffer

Memory

buffer

Memory

buffer

Data 1Data 0

Intel Xeon processor

DIMM

Memory

controller

DIMM

Memory

controller

DIMM

Memory

buffer

Memory

buffer

Memory

buffer

Memory

buffer

Data

Lockstep

channel

SMI2

links

DDR3

links

Memory performance mode Memory RAS mode

6Lenovo System x3850 X6 and x3950 X6 Quick Start Guide

Table 1 shows the characteristics of the supported DIMMs and the memory speeds.

Table 1 Characteristics of the supported DIMMs and the memory speeds

DIMM

Specification

RDIMM LR-DIMM

Ranks Single-rank DIMM Dual-rank DIMM 4R LR-DIMM 8R LR-DIMM

Part number 00D5024 (4 GB)

00D5036 (8 GB)

46W0672 (16 GB) 46W0676

(32 GB)

46W0741

(64 GB)

Rated speed 1600 MHz 1600 MHz 1600 MHz 1333 MHz

Rated voltage 1.35 V 1.35 V 1.35 V 1.35 V

Operating voltage 1.35 V 1.5 V 1.35 V 1.5 V 1.35 V 1.5 V 1.35 V 1.5 V

Maximum quantity

supported

96 96 96 96

Maximum DIMM

capacity

8 GB 16 GB 32 GB 64 GB

Maximum memory

capacity

768 GB 1.5 TB 3 TB 6 TB

Maximum operating speed: Independent (Performance) mode

1 DIMM/channel 1333 MHz 1333 MHz 1333 MHz 1333 MHz 1333 MHz 1333 MHz 1333 MHz 1333 MHz

2 DIMMs/channel 1333 MHz 1333 MHz 1333 MHz 1333 MHz 1333 MHz 1333 MHz 1333 MHz 1333 MHz

3 DIMMs/channel 1066 MHz 1333 MHz 1066 MHz 1333 MHz 1333 MHz 1333 MHz 1333 MHz 1333 MHz

Maximum operating speed: Lockstep (RAS) mode

1 DIMM/channel 1333 MHz 1600 MHz 1333 MHz 1600 MHz 1333 MHz 1600 MHz 1333 MHz 1333 MHz

2 DIMMs/channel 1333 MHz 1600 MHz 1333 MHz 1600 MHz 1333 MHz 1600 MHz 1333 MHz 1333 MHz

3 DIMMs/channel 1066 MHz 1333 MHz 1066 MHz 1333 MHz 1333 MHz 1333 MHz 1333 MHz 1333 MHz

Lenovo System x3850 X6 and x3950 X6 Quick Start Guide 7

Figure 5 shows the Intel Xeon E7 memory controller architecture. Note that memory is

populated from the furthest DIMM (Slot 0) to the closest DIMM slot (Slot 2).

Figure 5 Xeon E7 memory controller architecture

Intel

Xeon

processor

Memory

controller 1

Memory

buffer 1

DIMM 19

DIMM 21

DIMM 20

Slot2Slot1Slot0

DIMM 1

DIMM 3

DIMM 2

Memory

controller 2

Memory

buffer 2

DIMM 6

DIMM 4

DIMM 5

Slot2Slot1Slot0

DIMM 24

DIMM 22

DIMM 23

Memory

buffer 3

DIMM 16

DIMM 18

DIMM 17

Slot2Slot1Slot0

DIMM 10

DIMM 12

DIMM 11

Memory

channel 0

Memory

channel 1

Memory

channel 2

Memory

channel 3

Memory

buffer 0

DIMM 9

DIMM 7

DIMM 8

Front DIMMs

Slot2Slot1Slot0

DIMM 15

DIMM 13

DIMM 14

DDR3 ch 0

DDR3 ch 1

DDR3 ch 0

DDR3 ch 1

DDR3 ch 0

DDR3 ch 1

DDR3 ch 0

DDR3 ch 1

Back DIMMs

8Lenovo System x3850 X6 and x3950 X6 Quick Start Guide

Figure 6 and Figure 7 show the central processing unit (CPU) board layout.

Figure 6 CPU layout (left side of board)

Figure 7 CPU layout (right side of board)

DIMM 1 DIMM 2 DIMM 3

DIMM 4 DIMM 5 DIMM 6 DIMM 10 DIMM 11 DIMM 12

DIMM 7 DIMM 8 DIMM 9Microprocessor

(Left side of board)

DIMM 24

DIMM 23

DIMM 22

DIMM 19DIMM 20

DIMM 21

DIMM 15

DIMM 14

DIMM 13

DIMM 18

DIMM 17

DIMM 16

(Right side of board)

Lenovo System x3850 X6 and x3950 X6 Quick Start Guide 9

Table 2 shows the memory layout.

Table 2 Memory layout

Table 3 shows the Independent mode population sequence.

Table 3 Independent mode population sequence

Table 4 shows the Lockstep (RAS) mode population sequence.

Table 4 Lockstep (RAS) mode population sequence

CPU memory channel DDR3 channel DIMM number DDR3 slot number

Channel 0 DDR3 Channel 0 9, 8, 7 0, 1, 2

DDR3 Channel 1 15, 14, 13 0, 1, 2

Channel 1 DDR3 Channel 0 19, 20, 21 0, 1, 2

DDR3 Channel 1 1, 2, 3 0, 1, 2

Channel 2 DDR3 Channel 0 6, 5, 4 0, 1, 2

DDR3 Channel 1 24, 23, 22 0, 1, 2

Channel 3 DDR3 Channel 0 16, 17, 18 0, 1, 2

DDR3 Channel 1 10, 11, 12 0, 1, 2

Installation Population sequence DIMM number DDR3 slot number

1st 1 SMI0, Channel0, Slot0 Front

2nd 2 SMI2, Channel0, Slot0 Front

3rd 3 SMI1, Channel1, Slot0 Front

4th 4 SMI3, Channel1, Slot0 Front

5th 5 SMI0, Channel1, Slot0 Back

6th 6 SMI2, Channel1, Slot0 Back

7th 7 SMI1, Channel0, Slot0 Back

8th 8 SMI3, Channel0, Slot0 Back

... 9 - 16 Repeat order, move to Slot1 Four front, four back

... 17 - 24 Repeat order, move to Slot 2 Four front, four back

Installation Population sequence Controller location Physical location

1st 1 & 2 SMI0, Channel0, Slot0 & SMI0, Channel1, Slot0 Front & back

2nd 3 & 4 SMI2, Channel0, Slot0 & SMI2, Channel1, Slot0 Front & back

3rd 5 & 6 SMI1, Channel1, Slot0 & SMI1, Channel0, Slot0 Front & back

4th 7 & 8 SMI3, Channel1, Slot0 & SMI3, Channel0, Slot0 Front & back

5th 9 & 10 Repeat order, move to Slot1 Front & back

6th 11 & 12 Repeat order, move to Slot1 Front & back

7th 13 & 14 Repeat order, move to Slot1 Front & back

10 Lenovo System x3850 X6 and x3950 X6 Quick Start Guide

Table 5 shows the memory population order for both Independent (Performance) mode and

Lockstep (RAS) mode.

Table 5 Memory population order for both Independent (Performance) mode and Lockstep (RAS)

8th 15 & 16 Repeat order, move to Slot1 Front & back

... 18 - 24 Repeat order, move to Slot2 Front & back

Installation Population sequence Controller location Physical location

DIMM installation order DIMM slots

Performance mode Performance + mirroring RAS mode RAS + mirroring

1 DIMM 9 DIMM 9, 19 DIMM 9, 15 DIMM 1, 9, 15, 19

2 DIMM 6 DIMM 6, 16 DIMM 6, 24 DIMM 6, 10, 16, 24

3 DIMM 1 DIMM 1, 15 DIMM 1, 19 DIMM 2, 8, 14, 20

4 DIMM 10 DIMM 10, 24 DIMM 10, 16 DIMM 5, 11, 17, 23

5 DIMM 15 DIMM 8, 20 DIMM 8, 14 DIMM 3, 7, 13, 21

6 DIMM 24 DIMM 5, 17 DIMM 5, 23 DIMM 4, 12, 18, 22

7 DIMM 19 DIMM 2, 14 DIMM 2, 20 Not applicable

8 DIMM 16 DIMM 11, 23 DIMM 11, 17 ....

9 DIMM 8 DIMM 7, 21 DIMM 7, 13

10 DIMM 5 DIMM 4, 18 DIMM 4, 22

11 DIMM 2 DIMM 3, 13 DIMM 3, 21

12 DIMM 11 DIMM 12, 22 DIMM 12, 18

13 DIMM 14 Not applicable Not applicable

14 DIMM 23 .... ....

15 DIMM 20

16 DIMM 17

17 DIMM 7

18 DIMM 4

19 DIMM 3

20 DIMM 12

21 DIMM 13

22 DIMM 22

23 DIMM 21

24 DIMM 18

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