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Chapter 3. Technical description of the hardware architecture 45
supports operands in other data types, including signed or unsigned binary
fixed-point data, and signed or unsigned decimal data.
DFP instructions are provided to perform arithmetic, compare, test,
quantum-adjustment, conversion, and format operations on operands held in
FPRs or FPR pairs.
Arithmetic instructions These instructions perform addition, subtraction,
multiplication, and division operations.
Compare instructions These instructions perform a comparison operation on
the numerical value of two DFP operands.
Test instructions These instructions test the data class, the data group,
the exponent, or the number of significant digits of a
DFP operand.
Quantum-adjustment instructions
These instructions convert a DFP number to a result in
the form that has the designated exponent, which may
be explicitly or implicitly specified.
Conversion instructionsThese instructions perform conversion between
different data formats or data types.
Format instructions These instructions facilitate composing or
decomposing a DFP operand.
For example, the SAP® NetWeaver 7.10 ABAP™ kernel introduces a new SAP
ABAP data type called DECFLOAT to enable more accurate and consistent
results from decimal floating point computations. The decimal floating point
(DFP) support by SAP NetWeaver® leverages the built-in DFP feature of
POWER6 processors. This allows for highly simplified ABAP-coding while
increasing numeric accuracy, and with a potential for significant performance
improvements.
3.2 Simultaneous Multi Threading (SMT)
The POWER6 processor core has been designed to support both enhanced
Simultaneous Multi Threading (SMT) and Single Threaded (ST) operation
modes. Both IBM BladeCenter JS23 and JS43 Express supports the SMT
technology.
- IBM BladeCenter 1
- JS23 and JS43 1
- Implementation Guide 1
- May 2009 3
- Contents 5
- Contents v 7
- Contents vii 9
- Contents ix 11
- Figures xiii 15
- Figures xv 17
- Figures xvii 19
- Figures xix 21
- Figures xxi 23
- Trademarks 28
- The team that wrote this book 31
- Acknowledgements 32
- Become a published author 33
- Comments welcome 33
- 2455 South Road 34
- Poughkeepsie, NY 12601-5400 34
- The IBM 35
- BladeCenter JS23 35
- Introduction to IBM 37
- BladeCenter 37
- General description 43
- BladeCenter JS23 and JS43 48
- 2.3 Blade Server features 50
- 2.4.2 Processor features 54
- 2.4.3 Memory features 54
- 2.4.4 Memory DIMMs 54
- 2.4.5 Internal disk 55
- 2.5.2 Processor features 56
- 2.5.3 Memory features 57
- 2.5.4 Memory DIMMs 57
- 2.5.5 Internal disk 57
- 2.6 IBM BladeCenter chassis 58
- 2.6.1 BladeCenter H 59
- 2.6.2 BladeCenter S 63
- 2.6.3 BladeCenter HT 67
- 2.6.5 IBM Director 72
- Technical description of the 75
- 3.1 POWER6 processor 77
- 3.1.1 Decimal floating point 78
- 3.3 AltiVec (SIMD) 80
- 3.6 Management Card 84
- 3.7 Memory subsystem 84
- 3.8 I/O subsystem 87
- 3.8.2 I/O Expansion Cards 88
- 3.8.5 Integrated Video Card 90
- SAS Drive 91
- RAID support 92
- Configuring a SAS RAID array 92
- SAS CIOv paddle card 93
- 3.9 PowerVM 95
- 3.10.1 AIX 96
- 3.10.2 Linux 97
- 3.11 Systems management 98
- 3.11.2 IBM Director 99
- Part 2 System 103
- System planning and 105
- 4.1 Planning considerations 107
- BladeCenter S 108
- Midplane 108
- BladeCenter H 109
- JS23/JS43 storage 114
- 4.2.2 IVM user interface 118
- 4.3 First VIOS login 120
- 4.3.3 Initial network setup 121
- 4.4 First IVM connection 127
- 4.5.1 Host Ethernet Adapters 134
- 4.5.3 Physical adapters 143
- 4.6.1 Physical volumes 156
- 4.6.2 Storage pools 158
- Creating a new storage pool 159
- 4.6.3 Virtual disks 161
- Creating virtual disks 162
- Extending a virtual disk 163
- Deleting virtual disks 165
- Physical optical devices 167
- Virtual optical devices 169
- Figure 4-50 Performing task 174
- 4.7.3 Partition name 180
- 4.7.4 Partition Memory 181
- 4.7.5 Partition Processors 182
- 4.7.6 Partition Ethernet 183
- 4.7.9 Physical adapters 187
- 4.7.10 Partition Summary 188
- 4.8.2 Activating a partition 202
- Activating from the CLI 204
- Shutdown from the UI 206
- Shutdown from the CLI 208
- Shutdown using the CLI 210
- Active Memory Sharing 211
- 5.1 Planning considerations 213
- 5.1.2 Workload 214
- 5.1.3 Paging devices 215
- 5.1.5 CPU resource sizing 215
- 5.1.6 Memory weight 216
- 5.1.7 Consolidation factors 216
- IBM AIX V6.1 installation 245
- Figure 6-13 254
- Figure 6-23 263
- Figure 6-24 263
- Activate. See Figure 6-27 266
- Example 6-10 Command status 272
- IBM i V6.1 installation 275
- 7.1.2 Hardware environments 278
- Refine results option 283
- 7.1.5 Network considerations 285
- Click Next to continue 298
- Click Finish to continue 302
- Figure 7-27 Disk selection 310
- 7.3.4 Partition properties 311
- Figure 7-42 Partition ID 322
- Console 324
- 7.3.7 IBM i 6.1 IPL types 326
- Figure 7-50 Install LIC 329
- Figure 7-53 Select options 332
- Figure 7-55 Initialize disk 334
- Figure 7-64 on page 309 342
- Figure 7-66 Sign On screen 345
- 7.4.2 IBM i 6.1 TCP/IP setup 346
- 7.5 IBM i 6.1 Backup/Restore 348
- Start an IBM i 6.1 partition 367
- Red Hat Enterprise V5.3 369
- Linux installation 369
- PowerVM LPAR considerations 370
- Figure 8-5 SMS menu 374
- Figure 8-8 SMS menu 377
- SUSE Linux Enterprise 401
- Server V11 installation 401
- Figure 9-5 SMS Menu 406
- Figure 9-6 Select CD-ROM 406
- Figure 9-7 Select Mode Boot 407
- Figure 9-11 SMS Menu 410
- Figure 9-13 Expert 411
- Figure 9-12 Main Menu 411
- Figure 9-25 Reboot now 419
- Figure 9-26 on page 386 420
- Figure 9-27 on page 387 420
- Figure 9-29 Select firewall 422
- Figure 9-34 New Local User 426
- Figure 9-36 Login screen 428
- JS23 and JS43 power 431
- EnergyScale technology 431
- AMM Power Management View 432
- AMM Power domain details view 435
- The fuelg command 438
- 10.2.2 AEM Energy Properties 444
- Figure 10-13 Edit values 446
- Enabling Power Capping 447
- Enabling Power Savings 448
- Energy Cost Calculator 453
- Figure 10-29 Group Select 457
- Figure 10-30 Select targets 457
- Performing Live Partition 467
- Mobility 467
- 11.1 Requirements 468
- 11.1.4 PowerVM Enterprise 470
- 11.1.5 LPAR OS versions 471
- 11.2 Preparation 472
- 11.2.2 Networking 476
- Dedicated or Shared Memory 477
- Processor Compatibility mode 477
- POWER6 Enhanced 478
- POWER6+ Enhanced 478
- 11.3 Migrating the LPAR 482
- 11.3.2 From the command line 490
- System maintenance and 493
- 12.1 Firmware updates 494
- 01EAXXX.YYY.ZZZ.img for our 495
- 4. Select 497
- Restart Blade in the 498
- Figure 12-4 on page 466 499
- Figure 12-4 Enter SMS Menu 500
- Figure 12-5 SMS main menu 501
- Figure 12-7 SMS exit page 502
- .img extension) 505
- 12.2 System diagnostics 506
- Front Panel (Control Panel) 507
- Light Path 509
- Not me” LED 509
- Check card below” LED 511
- Stand-alone diagnostics 512
- 12.2.2 Reference codes 513
- System reference code (SRC) 514
- Service request number (SRN) 514
- Using the AMM to view SRCs 515
- Call Home flag was 516
- Call Home, see “Service 516
- Service Advisor 517
- Figure 12-22 AMM Event Log 523
- Figure 12-25 Monitor tasks 524
- Appendixes 525
- Consoles, SMS, and Open 527
- Firmware 527
- Graphical console 528
- Figure A-2 AMM login panel 531
- Serial Over LAN 534
- Version EA330_031 542
- Main Menu 542
- 1. Select Language 542
- Open Firmware interface 543
- QLogic host bus adapter 546
- Emulex host bus adapter 550
- Server AutoYaST 555
- AutoYaST introduction 556
- window opens as shown 561
- On Red Hat Enterprise Linux 577
- Service and productivity 579
- Abbreviations and acronyms 591
- Related publications 597
- Related publications 565 599
- Related publications 567 601
- How to get Redbooks 602
- Help from IBM 602
- Related publications 569 603
- Numerics 605
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