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Huawei XH321 V3 Server NodeV100R003

Technical White Paper

Issue 01

Date 2016-11-22

HUAWEI TECHNOLOGIES CO., LTD.

Copyright © Huawei Technologies Co., Ltd. 2016. All rights reserved.No part of this document may be reproduced or transmitted in any form or by any means without prior writtenconsent of Huawei Technologies Co., Ltd. Trademarks and Permissions

and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.All other trademarks and trade names mentioned in this document are the property of their respectiveholders. NoticeThe purchased products, services and features are stipulated by the contract made between Huawei and thecustomer. All or part of the products, services and features described in this document may not be within thepurchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information,and recommendations in this document are provided "AS IS" without warranties, guarantees orrepresentations of any kind, either express or implied.

The information in this document is subject to change without notice. Every effort has been made in thepreparation of this document to ensure accuracy of the contents, but all statements, information, andrecommendations in this document do not constitute a warranty of any kind, express or implied.

Huawei Technologies Co., Ltd.Address: Huawei Industrial Base

Bantian, LonggangShenzhen 518129People's Republic of China

Website: http://www.huawei.com

Email: [email protected]

Issue 01 (2016-11-22) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd.

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http://www.huawei.com

mailto:[email protected]

Contents

1 Function...........................................................................................................................................1

2 Appearance..................................................................................................................................... 2

3 External Ports..................................................................................................................................6

4 Indicators.........................................................................................................................................8

5 Physical Structure........................................................................................................................11

6 Mainboard Layout....................................................................................................................... 16

7 Logical Structure..........................................................................................................................18

8 Technical Specifications.............................................................................................................20

9 Features..........................................................................................................................................22

10 Components................................................................................................................................25

11 System Management.................................................................................................................30

12 Maintenance............................................................................................................................... 33

13 Certifications.............................................................................................................................. 37

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1 Function

The XH321 V3 is a 2-socket server node on the Huawei X6000 server that supports fourserver nodes in a 2 U chassis. The XH321 V3 adopts innovative design to provide higherperformance and storage density by breaking through power limits, and is easy to manage andmaintain.

The XH321 V3 supports six 2.5-inch SAS hard disk drives (HDDs), SATA HDDs, or NVMePCIe SSDs, a maximum of 16 DDR4 dual in-line memory modules (DIMMs), and two PCIecards. The XH321 V3 is ideal for data center, cloud computing, big data, and Internetapplications due to high computing performance, large storage space, and flexible interfacingcapability.

The XH321 V3 supports two flexible configurations:

l Onboard 2 x GE + 2 x 10GE portsl Onboard 2 x GE ports

NOTE

The SATA HDDs connected to the ports provided by the PCH support SoftRaid management. Thesupported OSs include Windows Server 2008 R2 SP1, Windows Server 2012, Windows Server2012 R2, RHEL 6.5, RHEL 7.0, and SLES 11.3.

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2 Appearance

AppearanceFigure 2-1 shows an XH321 V3.

Figure 2-1 Appearance

Front PanelThe XH321 V3 provides two types of front panels:

l Onboard 2 x GE portsl Onboard 2 x GE + 2 x 10GE ports

Figure 2-2 shows an onboard 2 x GE front panel.

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Figure 2-2 Onboard 2 x GE front panel

No. Component No. Component

1 Data transmission statusindicator

2 Electrical port

3 Connection statusindicator

4 PCIe card (without RAIDcontroller card)

5 PCIe card/IB card 6 Onboard GE port 2


8 Onboard GE port 1


10 UID button/indicator

11 Health indicator 12 Power button/indicator

13 Management networkport link indicator

14 Management network port

15 Management networkport activity indicator

16 Universal connector port

NOTE

l 4 and 5 are optional components.

l Users must enable SR-IOV in the BIOS to use NIC SR-IOV. The GE network ports numbered6 and 8 do not support SR-IOV in the Windows OS.

l The XH321 V3 supports an InfiniBand (IB) NIC that provides one or two 56 Gbit/s IB ports.The preceding information is for reference only. For details, use the Huawei ServerCompatibility Checker to check the compatibility.

l

Figure 2-3 shows an onboard 2 x GE + 2 x 10GE front panel.



3

http://support.huawei.com/onlinetoolsweb/ftca/


Figure 2-3 Onboard 2 x GE + 2 x 10GE front panel



2 PCIe card electrical port


4 PCIe card (without RAIDcontroller card)

5 PCIe card/IB card 6 Connection status indicator/Data transmission statusindicator

7 Onboard 10GE networkport 4

8 Transmission rate indicator

9 Connection statusindicator/Datatransmission statusindicator

10 Onboard 10GE network port3

11 Transmission rateindicator

12 Connection status indicator

13 Onboard GE networkport 2



16 Onboard GE network port 1


18 UID button/indicator

19 Health indicator 20 Power button/indicator

21 Management networkport link indicator

22 Management network port

23 Management networkport activity indicator

24 Universal connector port



4

NOTE

l 4 and 5 are optional components.

l Users must enable SR-IOV in the BIOS to use NIC SR-IOV. The GE network ports numbered13 and 16 do not support SR-IOV in the Windows OS.

l The XH321 V3 supports an InfiniBand (IB) NIC that provides one or two 56 Gbit/s IB ports.The preceding information is for reference only. For details, use the Huawei ServerCompatibility Checker to check the compatibility.

Installation positionThe XH321 V3 nodes are installed in the 2U4 slots of an X6000 chassis. An X6000chassis can house a maximum of 4 XH321 V3 nodes.Figure 2-4 shows the XH321 V3 nodes installed in an X6000 chassis according to slotnumbers.

Figure 2-4 Installation position



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3 External Ports

Figure 3-1 shows the external ports of an XH321 V3.

Figure 3-1 External ports

Table 3-1 Port description

No. Name Type Quantity

Description

1 Universalconnector port(UCP)

- 1 One UCP is provided on the panel forconnecting with a multi-port cable, whichprovides one video graphics array (VGA)port, one RS232 serial port, and three USB2.0 ports (compatible with USB 1.1).

2 Managementnetwork port

RJ45 1 The 1000 Mbit/s Ethernet port on the frontpanel is used to manage the server node.NOTE

The iBMC ports include the managementnetwork port and shared network port.

A service network port with the NetworkController Sideband Interface (NCSI) functionenabled can function as a shared network port.The onboard 2 x GE front panel supports PCIecard NCSI, and the onboard 2 x GE + 2 x 10GEfront panel does not support PCIe card NCSI.

3 Onboard GE port - 2 Onboard GE port.

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No. Name Type Quantity

Description

4 Onboard 10GEoptical port

- 2 2 x 10GE SFP+ port.

Figure 3-2 Multi-port cable

No. Port No. Port

1 VGA port 2 Two USB ports

3 Serial port 4 One USB port

5 Multi-port connector - -

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4 Indicators

The front panel indicators on the XH321 V3 display its working status.

IndicatorsFigure 4-1 shows the indicators on the XH321 V3 front panel.

Figure 4-1

Table 4-1 describes the indicators on the XH321 V3 front panel.

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Table 4-1 Indicators

No. SilkScreen

Indicator State Description

1 - Management network portactivity indicator

l Off: The network port is idle.l Blinking orange: Data is being

transmitted over the network port.

2 - Management network portlink indicator

l Off: The network port is notconnected.

l Steady green: The network port isproperly connected.

3 Power button/indicator l Off: The server is not powered on.l Blinking yellow: The iBMC is

starting.l Steady yellow: The server is to be

powered on.l Steady green: The server is properly

powered on.NOTE

To power off the server, hold down thepower button for 6 seconds.

4 Health indicator l Off: There is no power supply, or thePSU is faulty.

l Steady green: The server is operatingproperly.

l Blinking red at 1 Hz: A major alarmis generated.

l Blinking red at 5 Hz: A critical alarmis generated.

5 UID button/indicator The UID button/indicator helps identifyand locate a server in a rack. You canturn on or off the UID indicator bymanually pressing the UID button orremotely running a command on theiBMC CLI.l Steady blue: The server node has

been located.l Off: The server is not being located.l Blinking: distinguishes the server

node from multiple server nodes thathave also been located.

NOTETo reset the iBMC, hold down the UIDbutton for 6 seconds.



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No. SilkScreen

Indicator State Description

6 - Data transmission statusindicator

l Blinking yellow: Data is beingtransmitted.

l Off: No data is being transmitted.

7 - Connection status indicator l Steady green: The network port isproperly connected.


8 - Transmission rate indicator l Steady green: The data transmissionrate is 10 Gbit/s.

l Steady yellow: The data transmissionrate is 1 Gbit/s.

l Off: The network port is notconnected, or the data transmissionrate is not 10 Gbit/s or 1 Gbit/s.

9 - Connection statusindicator/Data transmissionstatus indicator

l Steady green: The network port isproperly connected.

l Blinking green: Data is beingtransmitted.




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5 Physical Structure

Figure 5-1 shows the components of an XH321 V3.

Figure 5-1 XH321 V3 components

Note: Onboard 2 x GE+2 x 10GE ports is used as an example.

Table 5-1 Main components of the XH321 V3


1 Supercapacitor 2 Mainboard

3 M.2 SATA SSD 4 RAID controller card/PCIe card

5 SATADOM 6 DDR4 DIMM

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7 Heat sink 8 CPU

9 DIMM air duct 10 TPM

11 PCIe card/IB card 12 Handle

NOTE

If a PCIe card is configured in 4, SATADOM is unavailable.

Table 5-2 describes the XH321 V3 components.

Table 5-2 Component description

No. Name Description

Configuration: onboard 2 x GE + 2 x 10GE/2 x 10GENOTE

This table uses onboard 2 x GE + 2 x 10GE/2 x 10GE as an example. Onboard 2 x GE can also be sold.

1 Supercapacitor A supercapacitor is required to protect cachedata from power failures for theLSISAS3108 RAID controller card chip.

2 Mainboard As the most important component of theXH321 V3, the mainboard integrates basiccomponents, such as the BIOS chipset,Platform Controller Hub (PCH) chipset, andexpansion slots, and provides CPU sockets,DIMM slots, and slots for installing othercomponents.

3 M.2 SATA SSDcard

M.2 SSD card with SATA portsNOTE

The current version does not support M.2. Ifnecessary, submit RM requirements in advance.



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4 RAID controllercard/PCIe card

The XH321 V3 supports the SR130(LSISAS3008) and SR430C 1 GB/2 GB(LSISAS3108) to configure RAID for theXH321 V3 hard disks. The controller cardssupport RAID state migration, RAIDconfiguration memory, self-diagnosis, andweb-based remote configuration.l The SR130 uses the LSISAS3008 chip

and supports RAID 0, 1, 1E, and 10, butdoes not support power-off protection.

l The SR430C uses the LSISAS3108 chip,supports RAID 0, 1, 10, 5, 50, 6, and 60,provides a supercapacitor to protectRAID cache data from power failures,and provides a 1 GB or 2 GB cache.

Standard PCIe cards can be 2 x GE, 4 x GE,2 x 10GE, and 2 x 10GBase-T.NOTE

l The figure uses a RAID controller card as anexample.

l The RAID controller cards and standard PCIecards are for reference only. The specificcards used depend on the compatibility list.

5 SATADOM The SATADOM is a SATA SSD orSATADOM electrical hard disk. It is a quickmemory storage media unit that features highenergy efficiency and stability.



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6 DIMM l A maximum of 16 DDR4 DIMM slots (8DDR4 DIMM slots per processor) forinstalling either registered dual in-linememory modules (RDIMMs) or load-reduced dual in-line memory modules(LRDIMMs).

l The maximum memory speed reaches2400 MT/s.

l RDIMM: 16 x 32 GB RDIMMs for twoCPUs, with a maximum memory capacityof 512 GB.

l LRDIMM: 16 x 64 GB LRDIMMs fortwo CPUs, with a maximum memorycapacity of 1.0 TB.

l Memory protection technologies: ErrorChecking and Correcting (ECC), memorymirroring, Single-Device Data Correction(SDDC), and memory sparing

l The DDR4 DIMMs support a bus speedof 1866 MT/s, 2133 MT/s or 2400 MT/s.

NOTEThe DIMMs are for reference only. The specificDIMMs used depend on the compatibility list.

7 Heat sink The heat sink cools CPUs.NOTE

l When the CPU power is 120 W or lower, useran independent heat sink for each CPU.

l When the CPU power is greater than 120 W,use a conjoined heat sink.

l The figure uses an independent heat sink as anexample.



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8 CPU A maximum of two Intel® Xeon® E5-2600v3 processors:l Core options: 18 (2.3 GHz), 16 (2.3

GHz), 14 (2.6 GHz), 12 (2.6 GHz), 10(2.6 GHz), 8 (3.2 GHz), 6 (3.4 GHz) and4 (3.5 GHz)

l Two QPI links, up to 9.6 GT/s each.l Maximum memory speed: 2133 MT/s.

Maximum L3 cache: 45 MB.

A maximum of two Intel® Xeon® E5-2600v4 processors:l Core options: 22 (2.2 GHz), 20 (2.2

GHz), 18 (2.3 GHz), 16 (2.6 GHz), 14(2.6 GHz), 12 (2.2 GHz), 10 (2.4 GHz), 8(3.2 GHz), 6 (3.4 GHz) and 4 (3.5 GHz)

l Two QPI links, up to 9.6 GT/s each.l Maximum memory speed: 2400 MT/s.

Maximum L3 cache: 55 MB. MaximumTDP: 145 W.

9 DIMM air duct A DIMM air duct is placed above DIMs toimprove heat dissipation.

10 TPM The Trusted Platform Module (TPM) is acost-effective security solution that complieswith the Trusted Computing Group (TCG)standards. It enhances platform security bypreventing viruses or unauthorizedoperations.

11 PCIe card/IB card Standard PCIe cards or IB cards can beconfigured.Standard PCIe cards can be 2 x GE, 4 x GE,2 x 10GE, and 2 x 10GBase-T.NOTE

l Flexible IB cards can be configured.

l The preceding information is for referenceonly. For details about card models, see theCompatibility List.

12 Front panel The front panel is used to bear the mainboardand facilitate the removal of a server node.



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6 Mainboard Layout

Figure 6-1 shows the positions of connectors and other components on the mainboard of theXH321 V3.

Figure 6-1 Positions of the connectors and other components


1 Standard PCIe card slot 1(J31)

2 RAID controller card connector (J44)

3 SATADOM connector (J37) 4 MiniSAS HD connector A (from PCH)(J1001)

5 MiniSAS HD connector B(from PCH) (J1002)

6 CPU 1 (J1000)

7 Standard card NC-SIconnector (J1008)*

8 DIMM020 connector (J10)

9 DIMM021 connector (J11) 10 DIMM030 connector (J13)



15 DIMM131 connector (J26) 16 CPU 2 (J32)

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17 Guide pin (J40) 18 Power connector (J27)

19 Power connector (J29) 20 Signal connector (J34)

21 MiniSAS HD connector(J12/J15)

22 Signal connector (J3)

23 Signal connector (J30) 24 Guide pin (J33)

25 DIMM111 (J20) 26 DIMM110 (J19)

27 DIMM101 (J17) 28 DIMM100 (J16)

29 DIMM011 (J8) 30 DIMM010 (J7)

31 DIMM001 (J5) 32 DIMM000 (J4)

33 TPM (J35) 34 M.2 (J39)**

35 Pin connector (J36) 36 NIC chip (U41)

37 Two 10GE optical ports (J6) 38 GE2 (J21)

39 GE1 (J18) 40 UID indicator (D25)

41 Health indicator (LED1) 42 Power Button (S1)

43 GE management port(J1021)

44 Universal connector port (J24)

45 Standard PCIe card slot 2(J2)

- -

NOTE

l The current version does not support NC-SI. If necessary, submit RM requirements in advance..

l The current version does not support M.2. If necessary, submit RM requirements in advance.

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7 Logical Structure

Figure 7-1 shows the logic view of the XH321 V3.

l A CPU & DIMM module supports two Intel® Xeon® E5-2600 v3 or Intel®Xeon®

E5-2600 v4 CPUs and 16 DIMMs.l The CPUs interconnect with each other through QuickPath Interconnect (QPI) buses at a

speed of up to 9.6 GT/s.l CPUs interconnect with the platform controller hub (PCH) over the Direct Media

Interface Generation 2 (DMI2) bus with a transmission rate of 5 GT/s.l CPUs interconnect with standard cards through PCIe slots to provide service ports.l The Platform Controller Hub (PCH) is an Intel southbridge chipset that provides external

I/O ports and bus expansion for the server platform.l The BMC chipset interconnects with the PCH through PCIe slots and LPC buses to

provide a management port.l The RAID controller card connects to the mainboard using a SAS cable and connects to

the backplane using a connector.l The BMC integrates components such as video card, video compression, and virtual

media components to provide device management functions, including compute nodepower control, slot number obtaining, PSU detection, and KVM over IP.

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Figure 7-1 Logic view of the XH321 V3

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8 Technical Specifications

Table 8-1 provides the technical specifications of the XH321 V3.

Table 8-1 Technical specifications

Category Item Description

Physicalspecifications

Dimensions (H x W x D) 40.5 mm x 177.9 mm × 545.5 mm (1.59 in.x 7.00 in. x 21.48 in.)

Weight Net weight: 4.2 kg (9.26 lb)

Environmentspecifications

Temperature l Operating temperature: 5°C to 35°C(41°F to 95°F)

NOTE

l The server supports the highest operatingtemperature of 30°C (86°F) if one fan isfaulty. Fan failure may affect CPUperformance.

l The supercapacitor of an LSI SAS3108RAID controller card supports the highestambient temperature of 33°C (91.4°F) whenthe server is equipped with NVMe PCIeSSDs and 145 W CPUs.

l Storage temperature: –40°C to +65°C(–40ºF to +149ºF)

Maximum temperaturefluctuation rate

20°C/h (36°F/h)

Relative humidity (non-condensing)

l Operating humidity: 8% to 90%l Storage humidity: 5% to 95%

Altitude When the device is used at an altitude from900 m (2952.76 ft) to 3000 m (9842.52 ft),the highest operating temperaturedecreases by 1°C (1.8°F) for every increaseof 300 m (984.25 ft).

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Category Item Description

Input powerspecifications

Rated input voltage 12 V DC

Powerconsumptionspecifications

The power consumption depends on thedevice configuration.

Reliabilityspecifications

Mean time to repair(MTTR)

1h

Mean time betweenfailures (MTBF)

20.45 years

Huawei XH321 V3 Server NodeTechnical White Paper 8 Technical Specifications


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9 Features

Balanced PerformanceThe XH321 V3 provides the following performance features:

l Intel® Xeon® E5-2600 v3 and Intel® Xeon® E5-2600 v4 CPUs ensure high processingperformance by providing up to 22 cores, 3.5 GHz dominant frequency, 55 MB L3cache, and two 9.6 GT/s QPI links between CPUs.

l Each XH321 V3 supports two CPUs, 44 cores, and 88 threads, which maximize theconcurrent execution of multithreaded applications.

l 1.2 V DDR4 DIMMs consume 20% less power than 1.35 V DDR3L DIMMs supportedby the previous-generation platform.

l Each XH321 V3 supports a total of 16 DDR4 error checking and correcting (ECC) load-reduced DIMMs (LRDIMMs) with the 2400 MHz frequency, which provides quickspeed, high availability, and a maximum memory capacity of 1 TB. The logicalmaximum memory bandwidth is 153.6 GB/s.

l Intel® Turbo Boost Technology 2.0 enables processor cores to run at maximum speedsduring peak hours by temporarily going beyond the processor thermal design power(TDP).

l Intel® Hyper-Threading Technology enables each CPU core to run up to two threads,improving parallel computation capability.

l Intel® Virtualization Technology integrates hardware-level virtualization functions toallow OS vendors to better use hardware to address virtualization workloads.

l Intel® Advanced Vector Extensions 2.0 (AVX 2.0) improves floating-point computingperformance for computing-intensive applications.

l Six SATA HDDs, SAS HDDs, SSDs, or NVMe PCIe SSDs are supported. SSDs cansignificantly improve I/O performance. An SSD supports approximately 100 times moreI/O operations per second (IOPS) than a typical HDD.

l Two ES3000 half-height half-length PCIe SSD cards can be configured to support high-bandwidth low-delay data access.

NOTE

The DIMMs are for reference only. The specific DIMMs used depend on the compatibility list.

Huawei XH321 V3 Server NodeTechnical White Paper 9 Features


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Availability and Serviceability

The XH321 V3 provides the following features to improve availability and serviceability:

l The XH321 V3 uses carrier-class components and follows the engineering process,which dramatically improves system reliability.

l Each XH321 V3 provides six 2.5-inch hot-swappable hard disks, supports RAID 0, 1,1E, 5, 6, 10, 50, and 60. The supported RAID level varies according to the RAIDcontroller card. It offers a RAID cache and provides a supercapacitor for power-offprotection.

l The UID and HLY indicators on the front panel and mounting ears, and the iBMCWebUI help technical support personnel learn the status of key components andpromptly locate failed (or failing) components. This simplifies maintenance, acceleratestroubleshooting, and improves system availability.

l SSDs offer better reliability than HDDs, which extends system uptime.

l The Huawei integrated iBMC module monitors system parameters in real time, triggersalarms, and performs recovery actions in case of failures. This helps minimize systemdowntime.

l For the products with three-year warranty used in China, Huawei provides customerreplaceable units and onsite limited warranty 9 x 5 next business day. Optional serviceupgrades are available.

l Huawei provides a three-year warranty for parts replacement and repair for the XH321V3 used outside China. Huawei provides a 9-hour-a-day, 5-day-a-week support program.Service requests will be handled the next business day. Huawei delivers the repaired ornew parts within 45 calendar days after receiving the defective parts.

NOTE


Manageability and Security

The XH321 V3 provides the following features to enhance manageability and security:

l The built-in iBMC module monitors server operating status and provides remotemanagement.

l The integrated industry-standard Unified Extensible Firmware Interface (UEFI)increases setup, configuration, and update efficiency, and simplifies fault handling.

l The optional trusted platform module (TPM) 1.2/2.0 provides advanced encryptionfunctions, such as digital signatures and remote authentication.

l Intel® Advanced Encryption Standard–New Instructions (AES NI) supports faster andstronger encryption.

l Intel® Execute Disable Bit (EDB) prevents certain types of malicious buffer overflowattacks when working with a supported OS.

l The Network Controller Sideband Interface (NC-SI) feature allows a network port toprovide functions of both a management network port and a service port, whichmaximizes return on investment (ROI) for customers.

l NC-SI can be enabled or disabled through iBMC or the BIOS. NC-SI is disabled bydefault.



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NOTE

The service network port supporting NC-SI has the following features:

l The service network port can be bound to the network port (NIC Mezz) on the onboard NIC of the server.The network port on the onboard NIC is 1 by default.

l The service network port allows you to enable, disable, and configure a virtual local area network(VLAN) ID. A VLAN ID is disabled by default, and the default VLAN ID is 0.

l The service network port supports IPv4 and IPv6 addresses. You can set an IP address, subnet mask,default gateway, and IPv6 address prefix length for the service network port.

Energy EfficiencyThe XH321 V3 provides the following features to reduce energy consumption:

l The Intel® Xeon® E5-2600 v3/V4 series processors provide higher performance than theprevious-generation processors while supporting the same TDP.

l The XH321 V3 supports 80 Plus Platinum power supply units (PSUs). The PSUsprovide 96% power efficiency at 50% loads.

l The efficient voltage regulator down (VRD) PSUs reduce the loss in DC/DC powerconversion.

l The Intel® Intelligent Power Capability allows a single CPU to be powered on or offbased on site requirements.

l Low-voltage Intel® Xeon processors consume less energy and apply to the data centerand telecommunication environments that have power and thermal limitations.

l Hard disks are not powered on simultaneously, which reduces the server startup powerconsumption.

l 1.2 V DDR4 RDIMMs consume 20% less energy than 1.5 V DDR3 RDIMMs.l SSDs consume 80% less power than HDDs.l The XH321 V3 supports intelligent CPU frequency adjustment for energy conservation

and consumption reduction.l The XH321 V3 panel has hexagonal ventilation holes to enable higher ventilation

density than round holes, remarkably increasing system cooling efficiency.



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10 Components

CPU

Each XH321 V3 supports a maximum of two ® Xeon® E5-2600 v3 or Intel® Xeon® E5-2600v4 CPUs.

l If two CPUs are required, they must be of the same modell If only one CPU is required, install it in socket CPU 1, as shown in Figure 10-1.

Figure 10-1 CPU installation positions

DIMM

DIMM Configuration Rules

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The XH321 V3 supports a maximum of eight DIMMs when one processor is installed andsupports a maximum of 16 DIMMs when two processors are installed. Each processor hasfour memory channels.

Observe the following rules when configuring DIMMs:

1. The XH321 V2 does not support mixed use of different types of DIMMs. Use eitherRDIMMs or LRDIMMs.

2. Each channel supports a maximum of eight ranks.

NOTE

A channel supports more than eight ranks for LRDIMMs. The number of ranks for LDIMMs must becalculated based on the number of ranks presented to external interfaces. All the DIMM codes in thecompatibility list support full memory channel configuration.

3. All DIMMs in a server operate at the same speed, whichever of the following is thelowest:

l Memory speed supported by a specified CPU

l Memory speed supported by a specified DIMM

l The maximum operating speed of specific DIMMs. See the Maximum Operating Speedin Table 10-1.

Table 10-1 DIMM configurations and operating frequency mappings when the XH321 V3uses Intel® Xeon® E5-2600 v3 CPUs

Parameter RDIMM LRDIMM

Rank 1DPC 2DPC 1DPC 2DPC

Operatingvoltage (V)

1.2 1.2 1.2 1.2

Maximumoperating speed(MT/s)

2133 2133 2133 2133

NOTEIn case of 2DPC, the RDIMMs support POR+1 and a maximum memory speed of 2133 MT/s.

Table 10-2 DIMM configurations and operating frequency mappings when the XH321 V3uses Intel® Xeon® E5-2600 v4 CPUs


Rank 1DPC 2DPC 1DPC 2DPC

Operatingvoltage (V)

1.2 1.2 1.2 1.2

Maximumoperating speed(MT/s)

2400 2400 2400 2400



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NOTEIn case of 2DPC, the RDIMMs support POR+1 and a maximum memory speed of 2400 MT/s.

Memory Slot Configuration Rules

l The XH321 V3 supports DIMMs of 4 GB, 8 GB, 16 GB, 32 GB, and 64 GB. When theXH321 V2 is fully configured with DIMMs, the maximum memory capacity is 1 TB.

l Each XH321 V3 provides 16 DDR4 DIMM slots and eight memory channels. Each CPUintegrates four memory channels. The four memory channels for CPU 1 are 1A, 1B, 1C,and 1D, and those for CPU 2 are 2A, 2B, 2C, and 2D. Table 10-3 lists memory channelsfor each CPU. Figure 2 shows the positions for installing DIMMs.

NOTE


Table 10-3 Memory channels for CPUs

CPUSocket

Channel Channel Structure

CPU 1 1A DIMM000(A)

DIMM001(E)

1B DIMM010(B)

DIMM011(F)

1C DIMM020(C)

DIMM021(G)

1D DIMM030(D)

DIMM031(H)

CPU 2 2A DIMM100(A)

DIMM101(E)

2B DIMM110(B)

DIMM111(F)

2C DIMM120(C)

DIMM121(G)

2D DIMM130(D)

DIMM131(H)



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Figure 10-2 DIMM installation positions

DIMMs must be installed in slots in sequence, as shown in the following table.

CPUConfiguration

DIMM Installation Sequence

CPU 1 DIMM000(A), DIMM010(B), DIMM020(C), DIMM030(D),DIMM001(E), DIMM011(F), DIMM021(G), DIMM031(H)

CPU 1 and CPU2

DIMM000(A), DIMM100(A), DIMM010(B), DIMM110(B),DIMM020(C), DIMM120(C), DIMM030(D), DIMM130(D),DIMM001(E), DIMM101(E), DIMM011(F), DIMM111(F),DIMM021(G), DIMM121(G), DIMM031(H), DIMM131(H)

Memory Protection Technology

The XH321 V3 employs the following memory protection technologies:

l ECCl SDDCl Mirrorl Sparingl Lockstepl Patrol Scrambling



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StorageThe XH321 V3 supports a maximum of six 2.5-inch hot swappable SATA HDDs, SSDs, andNVMe PCIe SSDs.

Table 10-4 lists the performance of different RAID groups, the minimum number of disksrequired, and disk utilization.

Table 10-4 RAID level comparison

RAIDLevel

Reliability ReadPerformance

WritePerformance

MinimumNumber ofHard Disks

Hard DiskUsage

RAID 0 Low High High 1 100%

RAID 1 High Low Low 2 1/N

RAID 5 Better thanmedium

High Medium 3 (N - 1)/N

RAID 6 Better thanmedium

High Medium 4 (N - 2)/N

RAID 10 High Medium Medium 4 M/N

RAID 50 High High Better thanmedium

6 (N - M)/N

RAID 60 High High Better thanmedium

8 (N - M x2)/N

N indicates the number of member hard disks in a RAID. M indicates the number ofsubgroups of a RAID.

Table 10-5 Technical specifications of PCIe slots

Item Specifications Remarks

Dimensions (H x L) 68.90 mm x 167.65 mm(1.78 in. x 8.47 in.)

Install a half-height half-length PCIe card.

Maximum powerconsumption

25 W Single slot



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11 System Management

Intelligent Baseboard Management Controller (iBMC) is a Huawei's proprietary intelligentmanagement system designed to remotely manage servers. It complies with the IntelligentPlatform Management Interface (IPMI) V2.0 standards and provides reliable hardwaremonitoring and management functions.

The iBMC provides the following features:

l Keyboard, video, and mouse (KVM) and text console redirectionl Remote virtual medial IPMI V2.0l Simple Network Management Protocol Version 3 (SNMPv3)l Common information model (CIM)l Login using web browsers

Table 11-1 describes the iBMC specifications.

Table 11-1 iBMC specifications

Specifications Description

Management interfaces Supports the following managementinterfaces integrated with any standardmanagement system:l IPMI V2.0l CLIl SM_CLPl HTTPSl SNMPv3l WSMAN

Fault detection Detects faults and accurately locates faultsin hardware, for example, field replaceableunits (FRUs).

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Alarm management Manages alarms and reports alarms invarious ways such as over the SNMP trap,Simple Mail Transfer Protocol (SMTP), andsyslog service. Alarm management ensuresthat the server operates reliably for 24/7hours.

Integrated virtual KVM Provides remote maintenance measures fortroubleshooting and supports a maximumresolution of 1920 x 1200.

Integrated virtual media Virtualizes local media devices, images,USB keys, and folders into media deviceson a remote server, which simplifies OSinstallation. The virtual DVD-ROM drivesupports a maximum transmission rate of 8MB/s.

Web-based user interface (UI) Provides a visual WebUI, which simplifythe configuration and query operations.The iBMC WebUI supports the followingbrowsers:l Internet Explorer 8.0l Firefox 9.0l Chrome 13.0l SAFARI

Fault reproduction Reproduces faults to facilitate faultdiagnosis.

Screen snapshot and screen video Allows users to view screen snapshots andvideos without login, which facilitatespreventive maintenance inspection (PMI).

Domain name service (DNS) and directoryservice

Supports domain management and directoryservices, which significantly simplifynetwork and configuration management.

Dual-image backup Starts software from a backup image if thesoftware fails.

Asset management Provides intelligent asset management.

Intelligent power management Uses the power capping technology toincrease deployment density and thedynamic energy saving technology to lowerthe operation and maintenance cost.

IPv6 Supports IPv6 to ensure sufficient IPaddresses.



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NC-SI Supports NC-SI, which allows users toaccess iBMC over a service network port.



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12 Maintenance

According to the Huawei Warranty Policy for Servers & Storage Products (Warranty Policyfor short), the XH321 V3 has a three-year warranty, the DVD-ROM drive and iBBU have aone-year warranty, and the software media have a three-month warranty.

The Warranty Policy stipulates warranty terms and conditions, including the availableservices, response time, terms of service, and disclaimer.

The warranty terms and conditions may vary by country,

and some services and/or parts may not be available in all countries. For more informationabout warranty services in your country, contact Huawei technical support or the localHuawei office.

Table 12-1 describes the warranty service response time.

Table 12-1 Response time

Service Response Time Description Remarks

Help Desk 24/7 Available 24hours a day, 7days a week(00:00 to 24:00,Monday toSunday)

None.

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Remotetroubleshooting

24/7 Available 24hours a day, 7days a week(00:00 to 24:00,Monday toSunday)

The responsetime starts fromthe time whenHuaweitechnicalsupport acceptsa customer'sservice requestto the timewhen thetechnicalsupport contactsthe customerthe first time toprovide remotetroubleshootingservices.

Onlinetechnicalsupport

24/7 You can obtainonline supportat Huawei'swebsite. Thisservice isavailable 24hours a day(00:00 to24:00), 7 days aweek (Mondayto Sunday).

None.

Software updateauthorization

24/7 You can obtainonline supportat Huawei'swebsite. Thisservice isavailable 24hours a day(00:00 to24:00), 7 days aweek (Mondayto Sunday).

None.

Return forrepair

Outside China 9/5 hours, 45calendar daysshipment

Available 9hours a day(09:00 to18:00), 5 days aweek (Mondayto Friday),excludingofficialholidays.

The repaired orreplacementparts will beshipped within45 calendardays afterHuaweireceives thedefective parts.



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In China NBD, 9 hours aday, 5 days aweek

Available 9hours a day(09:00 to18:00), 5 days aweek (Mondayto Friday),excludingofficialholidays.

Service requestssubmitted after15:30 will behandled thenext workday.

Table 12-2 describes the warranty services provided by Huawei.

Table 12-2 Warranty services

Service Description

Help Desk Huawei provides 24-hour after-salestechnical support (such as handling requestsfor troubleshooting and hardware repair),receives and handles customer inquiries,complaints, and suggestions through adedicated hotline.

Remote troubleshooting After receiving a service request forrectifying a network or system fault,Huawei engineers will first analyze andhandle the fault remotely and rectify it inthe shortest possible time. There are twomethods for remote troubleshooting:telephone support and remote access.

Online technical support Huawei enterprise support website (http://e.huawei.com) provides product andtechnical materials, such as productmanuals, configuration guides, networkingcase study, and maintenance experiencecollections. Registered users can access thewebsite and download required documents.

Software update authorization To ensure that the devices operate stably,Huawei provides software patcheswhenever necessary.



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Service Description

Return for repair Huawei provides repair or replacementservices for customers within the promisedtime to meet customer needs for spare parts.You can return defective parts to thedesignated Huawei site after submitting aservice request.Huawei provides a three-year warranty forparts replacement and onsite repair for theRH1288 V2 used in China. Huaweiprovides a 9-hour-a-day, 5-day-a-weeksupport program. Service requests will behandled the next business day.Huawei provides a three-year warranty forparts replacement and repair for the XH321V3 used outside China. Huawei provides a9-hour-a-day, 5-day-a-week supportprogram. Service requests will be handledthe next business day. Huawei delivers therepaired or new parts within 45 calendardays after receiving the defective parts.



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13 Certifications

For details about the certifications that the XH321 V3 has passed and the standards that theXH321 V3 complies with, see the Huawei X6000 High-Density Server White Paper.

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