AIX Version 4.3 Differences Guide

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2.12.5 Boot Logical Volume Scaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2.13 Scheduler Enhancements (4.3.2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2.13.1 Thread Priority Calculation Changes . . . . . . . . . . . . . . . . . . . . . . . 25 2.13.2 Sample Results of Altering Nice Value. . . . . . . . . . . . . . . . . . . . . . 26 Chapter 3. 64-Bit Enablement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 3.1 Introduction to 64-Bit Computing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 3.1.1 64-Bit Architecture and Benefits. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 3.1.2 64-Bit Challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 3.1.3 64-Bit PowerPC Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 3.1.4 AIX 64-Bit Design Criteria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 3.2 64-Bit Core Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 3.2.1 Segment Register Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 3.2.2 System Calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 3.2.2.1 64-Bit to 32-Bit Data Reformatting . . . . . . . . . . . . . . . . . . . . . . . . . .39 3.2.2.2 64-Bit to 32-Bit Address Remapping. . . . . . . . . . . . . . . . . . . . . . . . .40 3.2.2.3 Remap Library Data Structures. . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 3.2.2.4 Remap Library Programming Interfaces . . . . . . . . . . . . . . . . . . . . . .42 3.2.2.5 Remap Optimization for Multiple Addresses . . . . . . . . . . . . . . . . . . .43 3.2.2.6 Remap Kernel Programming Interfaces . . . . . . . . . . . . . . . . . . . . . .44 3.2.2.7 Optimizations for One or Two Parameters . . . . . . . . . . . . . . . . . . . .45 3.2.2.8 Using the Remapping Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . .45 3.2.3 64-Bit XCOFF Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 3.2.3.1 XCOFF Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46 3.2.3.2 Using the XCOFF Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47 3.2.3.3 Incomplete aouthdr Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48 3.2.3.4 XCOFF Magic Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48 3.2.4 Device Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 3.2.4.1 Changes to ioctl() . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49 3.2.4.2 Parameter Passing Examples. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 3.2.5 Loader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 3.2.6 Virtual Memory Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 3.2.6.1 Executing a 64-Bit Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52 3.2.6.2 Address Space Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53 3.2.6.3 Shared Memory Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54 3.2.6.4 User Data and Stack Management . . . . . . . . . . . . . . . . . . . . . . . . . .55 3.3 Application Development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 3.3.1 C Compiler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 3.3.1.1 Compiler Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57 3.3.1.2 Fixed-Width Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59 3.3.1.3 Structure Alignment and Bitfields . . . . . . . . . . . . . . . . . . . . . . . . . . .60 3.3.1.4 Enum Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61 3.3.2 XL Fortran Version 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 3.3.3 System Libraries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 3.3.4 Linker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 3.3.5 Archiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 3.3.6 The dbx Debugger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 3.3.7 Commands and Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 Chapter 4. Application Development and Pthreads. . . . . . . . . . . . . . . . . . 67 4.1 C Language Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 4.2 IEEE POSIX and UNIX98 Conformance . . . . . . . . . . . . . . . . . . . . . . . . . 67 4.2.1 Realtime Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 4.2.2 Unsupported Threads Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 iv AIX Version 4.3 Differences Guide
4.2.3 Dynamic Linking Extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68 4.2.3.1 dlopen() . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 4.2.3.2 dlsym() . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 4.2.3.3 dlclose() . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 4.2.3.4 dlerror(). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 4.2.4 Year 2000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70 4.2.4.1 getdate() . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 4.2.4.2 strptime() . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 4.2.4.3 date Command. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 4.2.4.4 prs Command. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 4.3 M:N Pthreads (4.3.1). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71 4.3.1 Porting Application from Draft 7 Pthreads . . . . . . . . . . . . . . . . . . . . .71 4.3.2 The M:N Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72 4.3.3 User Scheduler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72 4.3.4 Mutex Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73 4.3.5 Tuning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74 4.3.6 Maximum Number of Threads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75 4.3.7 Combined Thread-Safe Libraries. . . . . . . . . . . . . . . . . . . . . . . . . . . .75 4.4 Pthreads Suspend and Resume (4.3.2). . . . . . . . . . . . . . . . . . . . . . . . . . .76 4.5 Preserve Modified Ptrace Data (4.3.2) . . . . . . . . . . . . . . . . . . . . . . . . . . .76 4.6 Direct I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77 4.6.1 Opening Files for Direct I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78 4.6.1.1 Inode Flags. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 4.6.2 JFS Function Calls for Direct I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . .78 4.6.3 System Archive Utilities. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78 4.7 Shared Memory Enhancements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79 4.7.1 Larger Shared Memory Regions (4.3.1). . . . . . . . . . . . . . . . . . . . . . .79 4.7.2 128 KB Shared Memory IDs (4.3.2). . . . . . . . . . . . . . . . . . . . . . . . . .79 4.7.3 Shared Memory Debugging Enhancements (4.3.2) . . . . . . . . . . . . . .79 4.8 DMA Pre-Translation (4.3.2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79 4.9 Fast fork() Function (4.3.1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80 4.10 New Sockets System Call (4.3.2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80 4.11 Binder Library Enhancements (4.3.2) . . . . . . . . . . . . . . . . . . . . . . . . . . .82 Chapter 5. Logical Volume Manager Enhancements . . . . . . . . . . . . . . . . .83 5.1 Logical Volume Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83 5.2 importvg Learning Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83 5.3 importvg Fast Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84 5.4 Raw LV Online Mirror Backup Support (4.3.1). . . . . . . . . . . . . . . . . . . . . .85 5.4.1 Removal of 1016 PPs per Physical Volume Limit (4.3.1) . . . . . . . . . .85 5.5 Physical Partition Support (4.3.1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87 5.6 Big Volume Groups (4.3.2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87 5.6.1 Changes to LVCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88 5.6.2 General Enhancements for Big VG . . . . . . . . . . . . . . . . . . . . . . . . . .88 5.6.2.1 Commands Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 5.6.2.2 Header File Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 5.6.2.3 Default Maximum PPs for Each Physical Volume - 1016. . . . . . . . . 91 5.6.3 Small VG to Big VG Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . .92 5.6.4 Big VG Limitations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92 5.7 Concurrent Online Mirror Backup and Special File Support (4.3.2) . . . . . .92 5.7.1 Limitations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93 5.7.2 Commands Changed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93 v
Page 1: AIX Version 4.3 Differences Guide R
Page 4 and 5: Take Note! Before using this inform
Page 8 and 9: Chapter 6. System Management and Ut
Page 10 and 11: 7.1.8 Commands and Applications Ena
Page 12 and 13: 8.2.23.1 Input Method Values . . .
Page 14 and 15: 10.6 National Language Enhancements
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Page 18 and 19: 51. Documentation Search Service. .
Page 20 and 21: 51. List of Locales for Euro-Specif
Page 22 and 23: The authors of the First Edition ar
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Page 26 and 27: The RS/6000 Enterprise Server Model
Page 28 and 29: • 1 MB of Level 2 (L2) cache. •
Page 30 and 31: The Model 260 is designed for custo
Page 32 and 33: Table 3 is a comparison of various
Page 34 and 35: 1.6 Gigabit Fibre Channel Adapter A
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Page 38 and 39: work as on previous releases of AIX
Page 40 and 41: For AIX systems using AIX Version 3
Page 42 and 43: destructive overlay can be caught w
Page 44 and 45: The maximum number of file descript
Page 46 and 47: 2.12.1.2 Network Memory Buffer Pool
Page 48 and 49: 2.12.3 Larger Pipe Buffer Pool The
Page 50 and 51: The nice value has a much greater i
Page 52 and 53: Table 9. Old Priority Algorithm, sc
Page 54 and 55: where it can be directly manipulate
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one trillion terabytes. Other 64-bi
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ecently used mappings of segment nu
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• Executable data and BSS Followi
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Figure 6. Interfacing 64-Bit Proces
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that can be larger than 2 32 for la
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The addr struct is a library-side s
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It is also possible to have a situa
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A single remap struct fits into a s
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Depending on the execution environm
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3.2.4.2 Parameter Passing Examples
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On AIX 4.3, the same algorithm is u
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All of the following services are e
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UNIX98 interface will add very litt
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cases, the user is free to override
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These ANSI types are defined throug
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The following libraries and APIs ar
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symbols exported with svc3264 are a
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In general, no command user interfa
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mlockall() mq_getattr() mq_open() m
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from the address space. Termination
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4.3.2 The M:N Model In the M:N mode
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sharing the VPs. When the mutex loc
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4.4 Pthreads Suspend and Resume (4.
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4.6.1 Opening Files for Direct I/O
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performance of network memory buffe
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The send_file call only supports th
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• The volume group's disks must b
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The relationship of factor -t, PP n
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The LVM in AIX 4.3.2 supports both
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MAX LVs: 256 FREE PPs: 81 (324 mega
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extended to 511 logical volumes and
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Note Although the chlvcopy command
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Figure 11. Default SMIT Menu SMIT p
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• NIM Install Manager Figure 13 s
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interface. Web-Based System Manager
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configuration change tasks in which
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Find Close Exit Opens a search dial
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Tree Changes the presentation of ic
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6.2.5.11 Status Line The status lin
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Note: The Web-Based System Manager
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A multiple selection is enabled for
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Figure 23. Example of Container Win
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6.4.3 Registered Applications This
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6.5 Daylight Savings Time Before AI
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keep the data and index files synch
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At the end of the install a volume
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cloned alt_inst_rootvg. The default
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6.8.4 Alternate Disk Installation E
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hdisk0 00006091aef8b687 rootvg hdis
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Support in SMIT was updated to allo
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6.10 System Resource Controller Sub
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6.11 TTY Remote Reboot (4.3.2) AIX
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exhaustively consumed. When a NIM o
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In summary, Table 25 shows the diff
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6.14 Error Message Templates (4.3.2
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6.17 System Backup Usability Enhanc
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Figure 31. Memory Exerciser Options
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146 AIX Version 4.3 Differences Gui
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7.1.2.1 Text Representation of Addr
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Anycast • Site-local - Valid only
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Error messages are identified by ha
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the Encapsulating Security Payload
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loaded as well if the administrator
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Figure 33. Typical Output from the
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7.1.8.3 route route was modified to
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specified by name or by number usin
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Figure 39. New SMIT TCP/IP Configur
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7.1.11 IPv6 and IPSec-Related RFCs
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Benefits are only gained when a cli
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of the routing applications are por
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There are new no options added: •
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7.9.1 Reducing the Number of TCP Pa
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• New macros to allow for simple
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thread will have a chance to handle
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unit of bit rate introduces an IPG
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• Debugging purposes. These trace
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Creating the Local Cache File Syste
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Parameter threshblocks=n maxfiles=n
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The automount command is called at
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7.14.2.5 Indirect Maps An indirect
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Event Error Used by the server to i
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8.2.3.1 Window Management The circu
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8.2.11 X Keyboard Extension Prior t
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y telling it to load a new configur
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8.2.12 X Record Extension The purpo
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down to a single round trip. It is
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ackwards compatibility; however, it
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The following is a list of AIX XIM
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mechanism to permit an IM Server to
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• XGetOMValues() • XDisplayOfOM
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locale.ldx /usr/lib/X11/locale/iso8
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objects, so the default installatio
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the same area just like real-world
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• Snap-back scrolling, a feature
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• Secondary transfer, also referr
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• Since the check mark sign is pa
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8.3.4.14 Scrolled Window and Scroll
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• New XmComboBox XmNpositionMode
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This application uses both the X Wi
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8.5.4 New OpenGL Extensions (4.3.2)
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The browser must be a forms-capable
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Figure 50. Documentation Search Ser
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If you have not run Netscape previo
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Previously, the man command had to
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Single-Byte Character Set Support (
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abandoning its standards-based inte
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• __mblen_std() - For all other c
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Locale method Unicode locales ISO88
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Unicode Locale Chinese (Traditional
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10.5 Euro Symbol Support for AIX (4
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Any UTF-8 based locale installed on
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Encoding UTF-8 multi-byte: Byte S
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Keyword p_sign_posn n_sign_posn Des
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Table 54 summarizes the AIX keyboar
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10.5.4 Input Methods for the Euro S
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A selection menu can be closed by p
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Figure 55. UNIVERSAL Input Method:
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Table 56 summarizes the new iconv c
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Converter Type Fileset UCS-2_IBM-11
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• X11.loc.XX_XX.Dt.rte • X11.lo
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Figure 56. German UTF-8: Add Additi
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SMIT uses the chlang command to set
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os.loc.iso.de_DE bos.loc.iso.en_US
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• Thai Cultural Conventions (Unic
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In Japan, most of operating systems
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X11.base.rte This fileset ships the
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Documentation Search Service does n
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Figure 59. Searching Japanese Docum
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Figure 61. A Japanese Book 10.7.3.2
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Figure 63. Input Chinese Character
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Figure 65. A Chinese Book for Insta
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Client 3 capabilities. In this case
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Figure 67. Stand-Alone LDAP Directo
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provides encryption of data and tra
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Changes to schema definitions previ
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environments may vary significantly
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• AIX Version 4 Getting Started,
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• http://www.lexmark.com • http
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How Customers Can Get ITSO Redbooks
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LDIF LFT LID LP LPI LPP LPR/LPD LDA
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authentication 300 authentication h
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E ed command 141 EDTMPDIR 141 effec
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kernel changes. crash command 17 de
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-command security 166 RDB glue 299
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web based systems management 95 arc
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SG24-2014-01 Printed in the U.S.A.
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