AIX Version 4.3 Differences Guide

More documents

Recommendations

Info

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
Page 16 and 17: xiv AIX Version 4.3 Differences Gui
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
Page 24 and 25: xxii AIX Version 4.3 Differences Gu
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
Page 36 and 37: 12 AIX Version 4.3 Differences Guid
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
Page 56 and 57:
one trillion terabytes. Other 64-bi
Page 58 and 59:
ecently used mappings of segment nu
Page 60 and 61:
• Executable data and BSS Followi
Page 62 and 63:
Figure 6. Interfacing 64-Bit Proces
Page 64 and 65:
that can be larger than 2 32 for la
Page 66 and 67:
The addr struct is a library-side s
Page 68 and 69:
It is also possible to have a situa
Page 70 and 71:
A single remap struct fits into a s
Page 72 and 73:
Depending on the execution environm
Page 74 and 75:
3.2.4.2 Parameter Passing Examples
Page 76 and 77:
On AIX 4.3, the same algorithm is u
Page 78 and 79:
All of the following services are e
Page 80 and 81:
UNIX98 interface will add very litt
Page 82 and 83:
cases, the user is free to override
Page 84 and 85:
These ANSI types are defined throug
Page 86 and 87:
The following libraries and APIs ar
Page 88 and 89:
symbols exported with svc3264 are a
Page 90 and 91:
In general, no command user interfa
Page 92 and 93:
mlockall() mq_getattr() mq_open() m
Page 94 and 95:
from the address space. Termination
Page 96 and 97:
4.3.2 The M:N Model In the M:N mode
Page 98 and 99:
sharing the VPs. When the mutex loc
Page 100 and 101:
4.4 Pthreads Suspend and Resume (4.
Page 102 and 103:
4.6.1 Opening Files for Direct I/O
Page 104 and 105:
performance of network memory buffe
Page 106 and 107:
The send_file call only supports th
Page 108 and 109:
• The volume group's disks must b
Page 110 and 111:
The relationship of factor -t, PP n
Page 112 and 113:
The LVM in AIX 4.3.2 supports both
Page 114 and 115:
MAX LVs: 256 FREE PPs: 81 (324 mega
Page 116 and 117:
extended to 511 logical volumes and
Page 118 and 119:
Note Although the chlvcopy command
Page 120 and 121:
Figure 11. Default SMIT Menu SMIT p
Page 122 and 123:
• NIM Install Manager Figure 13 s
Page 124 and 125:
interface. Web-Based System Manager
Page 126 and 127:
configuration change tasks in which
Page 128 and 129:
Find Close Exit Opens a search dial
Page 130 and 131:
Tree Changes the presentation of ic
Page 132 and 133:
6.2.5.11 Status Line The status lin
Page 134 and 135:
Note: The Web-Based System Manager
Page 136 and 137:
A multiple selection is enabled for
Page 138 and 139:
Figure 23. Example of Container Win
Page 140 and 141:
6.4.3 Registered Applications This
Page 142 and 143:
6.5 Daylight Savings Time Before AI
Page 144 and 145:
keep the data and index files synch
Page 146 and 147:
At the end of the install a volume
Page 148 and 149:
cloned alt_inst_rootvg. The default
Page 150 and 151:
6.8.4 Alternate Disk Installation E
Page 152 and 153:
hdisk0 00006091aef8b687 rootvg hdis
Page 154 and 155:
Support in SMIT was updated to allo
Page 156 and 157:
6.10 System Resource Controller Sub
Page 158 and 159:
6.11 TTY Remote Reboot (4.3.2) AIX
Page 160 and 161:
exhaustively consumed. When a NIM o
Page 162 and 163:
In summary, Table 25 shows the diff
Page 164 and 165:
6.14 Error Message Templates (4.3.2
Page 166 and 167:
6.17 System Backup Usability Enhanc
Page 168 and 169:
Figure 31. Memory Exerciser Options
Page 170 and 171:
146 AIX Version 4.3 Differences Gui
Page 172 and 173:
7.1.2.1 Text Representation of Addr
Page 174 and 175:
Anycast • Site-local - Valid only
Page 176 and 177:
Error messages are identified by ha
Page 178 and 179:
the Encapsulating Security Payload
Page 180 and 181:
loaded as well if the administrator
Page 182 and 183:
Figure 33. Typical Output from the
Page 184 and 185:
7.1.8.3 route route was modified to
Page 186 and 187:
specified by name or by number usin
Page 188 and 189:
Figure 39. New SMIT TCP/IP Configur
Page 190 and 191:
7.1.11 IPv6 and IPSec-Related RFCs
Page 192 and 193:
Benefits are only gained when a cli
Page 194 and 195:
of the routing applications are por
Page 196 and 197:
There are new no options added: •
Page 198 and 199:
7.9.1 Reducing the Number of TCP Pa
Page 200 and 201:
• New macros to allow for simple
Page 202 and 203:
thread will have a chance to handle
Page 204 and 205:
unit of bit rate introduces an IPG
Page 206 and 207:
• Debugging purposes. These trace
Page 208 and 209:
Creating the Local Cache File Syste
Page 210 and 211:
Parameter threshblocks=n maxfiles=n
Page 212 and 213:
The automount command is called at
Page 214 and 215:
7.14.2.5 Indirect Maps An indirect
Page 216 and 217:
Event Error Used by the server to i
Page 218 and 219:
8.2.3.1 Window Management The circu
Page 220 and 221:
8.2.11 X Keyboard Extension Prior t
Page 222 and 223:
y telling it to load a new configur
Page 224 and 225:
8.2.12 X Record Extension The purpo
Page 226 and 227:
down to a single round trip. It is
Page 228 and 229:
ackwards compatibility; however, it
Page 230 and 231:
The following is a list of AIX XIM
Page 232 and 233:
mechanism to permit an IM Server to
Page 234 and 235:
• XGetOMValues() • XDisplayOfOM
Page 236 and 237:
locale.ldx /usr/lib/X11/locale/iso8
Page 238 and 239:
objects, so the default installatio
Page 240 and 241:
the same area just like real-world
Page 242 and 243:
• Snap-back scrolling, a feature
Page 244 and 245:
• Secondary transfer, also referr
Page 246 and 247:
• Since the check mark sign is pa
Page 248 and 249:
8.3.4.14 Scrolled Window and Scroll
Page 250 and 251:
• New XmComboBox XmNpositionMode
Page 252 and 253:
This application uses both the X Wi
Page 254 and 255:
8.5.4 New OpenGL Extensions (4.3.2)
Page 256 and 257:
Page 258 and 259:
The browser must be a forms-capable
Page 260 and 261:
Figure 50. Documentation Search Ser
Page 262 and 263:
If you have not run Netscape previo
Page 264 and 265:
Previously, the man command had to
Page 266 and 267:
Single-Byte Character Set Support (
Page 268 and 269:
abandoning its standards-based inte
Page 270 and 271:
• __mblen_std() - For all other c
Page 272 and 273:
Locale method Unicode locales ISO88
Page 274 and 275:
Unicode Locale Chinese (Traditional
Page 276 and 277:
10.5 Euro Symbol Support for AIX (4
Page 278 and 279:
Any UTF-8 based locale installed on
Page 280 and 281:
Encoding UTF-8 multi-byte: Byte S
Page 282 and 283:
Keyword p_sign_posn n_sign_posn Des
Page 284 and 285:
Table 54 summarizes the AIX keyboar
Page 286 and 287:
10.5.4 Input Methods for the Euro S
Page 288 and 289:
A selection menu can be closed by p
Page 290 and 291:
Figure 55. UNIVERSAL Input Method:
Page 292 and 293:
Table 56 summarizes the new iconv c
Page 294 and 295:
Converter Type Fileset UCS-2_IBM-11
Page 296 and 297:
• X11.loc.XX_XX.Dt.rte • X11.lo
Page 298 and 299:
Figure 56. German UTF-8: Add Additi
Page 300 and 301:
SMIT uses the chlang command to set
Page 302 and 303:
os.loc.iso.de_DE bos.loc.iso.en_US
Page 304 and 305:
• Thai Cultural Conventions (Unic
Page 306 and 307:
In Japan, most of operating systems
Page 308 and 309:
X11.base.rte This fileset ships the
Page 310 and 311:
Documentation Search Service does n
Page 312 and 313:
Figure 59. Searching Japanese Docum
Page 314 and 315:
Figure 61. A Japanese Book 10.7.3.2
Page 316 and 317:
Figure 63. Input Chinese Character
Page 318 and 319:
Figure 65. A Chinese Book for Insta
Page 320 and 321:
Client 3 capabilities. In this case
Page 322 and 323:
Figure 67. Stand-Alone LDAP Directo
Page 324 and 325:
provides encryption of data and tra
Page 326 and 327:
Changes to schema definitions previ
Page 328 and 329:
Page 330 and 331:
environments may vary significantly
Page 332 and 333:
• AIX Version 4 Getting Started,
Page 334 and 335:
• http://www.lexmark.com • http
Page 336 and 337:
How Customers Can Get ITSO Redbooks
Page 338 and 339:
Page 340 and 341:
LDIF LFT LID LP LPI LPP LPR/LPD LDA
Page 342 and 343:
Page 344 and 345:
authentication 300 authentication h
Page 346 and 347:
E ed command 141 EDTMPDIR 141 effec
Page 348 and 349:
kernel changes. crash command 17 de
Page 350 and 351:
-command security 166 RDB glue 299
Page 352 and 353:
web based systems management 95 arc
Page 354 and 355:
Page 356:
SG24-2014-01 Printed in the U.S.A.
show all

AIX Version 4.3 Differences Guide

Create successful ePaper yourself

Delete template?

Save as template?