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IBM NeXtScale System User Manual
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Chapter 5. Rack planning
129
Six 1U v
er
tical mounting brac
kets in the rear post fla
nges, which can be
used
f
or pow
er distributio
n units, s
witches, or other 1U de
vices, as shown in
Figure
5-8.
Figure 5-8 1
U P
ower distribution unit mounted in
1U pock
et on flange of
rear post
M6 clip nuts
Cabl
e
openings
146
148
Table of Contents
Default Chapter
1
Front Cover
1
Table of Contents
5
Notices
9
Trademarks
10
Authors
11
Preface
11
Comments Welcome
14
Now You Can Become a Published Author, too
14
Stay Connected to IBM Redbooks
15
April 2014, Second Edition
17
July 2014
17
Summary of Changes
17
Chapter 1. Introduction
19
Evolution of Data Centers
20
Density
20
Scale out Applications
20
Executive Summary of IBM Nextscale System
21
IBM Nextscale N1200 Enclosure
21
IBM Nextscale Nx360 M4 Compute Node
22
Design Points of the System
24
This Book
25
Chapter 2. Positioning
27
Market Positioning
28
Three Key Messages with Nextscale
29
Optimized for Workloads
33
IBM System X Overview
34
Nextscale System Versus Idataplex
35
Nextscale System Versus Flex System
37
Nextscale System Versus Rack-Mounted Servers
38
Ordering and Fulfillment
39
Chapter 3. IBM Nextscale N1200 Enclosure
41
Overview
42
Front Components
44
Rear Components
45
Fault Tolerance Features
46
Standard Chassis Models
47
Supported Compute Nodes
47
Power Supplies
56
Fan Modules
60
Midplane
63
Fan and Power Controller
65
Ports and Connectors
66
Internal USB Memory Key
67
Overview of Functions
68
Web GUI Interface
69
Power Management
70
Power Restore Policy
70
Power Capping
71
Power Supply Redundancy Modes
71
Power Supply Oversubscription
72
Acoustic Mode
74
Specifications
75
Physical Specifications
75
Supported Environment
75
Chapter 4. IBM Nextscale Nx360 M4 Compute Node
77
Overview
78
Physical Design
79
System Architecture
81
Specificiations
85
Standard Models
87
Processor Options
88
Memory Options
89
DIMM Installation Order
91
Internal Disk Storage Options
95
Controllers for Internal Storage
97
Using the Serveraid C100 with 1.8-Inch Ssds
102
Hdds and Sdds
102
IBM Nextscale Storage Native Expansion Tray
104
IBM Nextscale Pcie Native Expansion Tray
108
GPU and Coprocessor Adapters
110
Embedded 1 Gb Ethernet Controller
114
PCI Express I/O Adapters
115
Mezzanine Adapters
115
Single-Slot Riser Card
116
Network Adapters
117
Storage Host Bus Adapters
119
Integrated Virtualization
120
Local Server Management
121
Remote Server Management
123
External Disk Storage Expansion
125
Physical Specifications
128
Operating Systems Support
130
Chapter 5. Rack Planning
133
Power Planning
134
Examples
135
Pdus
139
UPS Units
140
Cooling
140
Density
142
Racks
143
The IBM 42U 1100Mm Enterprise V2 Dynamic Rack
143
Installing Nextscale System in Other Racks
149
Cable Routing
152
Rack Options
153
Rear Door Heat Exchanger
159
Top of Rack Switches
161
Ethernet Switches
161
Infiniband Switches
163
Fibre Channel Switches
163
Rack-Level Networking: Sample Configurations
164
Non-Blocking Infiniband
165
50% Blocking Infiniband
166
Gb Ethernet, One Port Per Node
167
Gb Ethernet, Two Ports Per Node
168
Management Network
169
Chapter 6. Factory Integration and Testing
171
IBM Standards
172
Testing
173
Documentation that Is Provided
175
Hplinpack Testing Results: Supplied on Request
175
Chapter 7. Hardware Management
177
Managing Compute Nodes
178
Integrated Management Module II
178
Unified Extendible Firmware Interface
182
Asu
194
Firmware Upgrade
196
Managing the Chassis
197
FPC Web Browser Interface
198
FPC IPMI Interface
220
Serveraid C100 Drivers
229
Vmware Vsphere Hypervisor (Esxi)
230
Chapter 8. Software Stack
231
Extreme Cloud Administration Toolkit (Xcat)
232
IBM Platform Cluster Manager
235
IBM General Parallel File System
238
Ibm Gpfs Fpo
240
IBM System X GPFS Storage Server
242
IBM Platform LSF Family
245
IBM Platform HPC
247
IBM Platform Symphony Family
250
IBM Parallel Environment for X86
251
IBM Parallel Environment Runtime for X86
252
IBM Parallel Environment Developer Edition for X86
254
Abbreviations and Acronyms
257
Related Publications
261
IBM Redbooks
261
Other Publications
261
Online Resources
262
Help from IBM
262
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IBM NeXtScale System Specifications
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Brand
IBM
Model
NeXtScale System
Category
Server
Language
English
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