AIX Version 4.3 Differences Guide

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7.14.2.5 Indirect Maps An indirect map uses a substitution value of a key to establish the association between a mount point on the client and a directory on the server. Indirect maps are useful for accessing specific file systems like home directories. The auto_home map is an example of an indirect map. Lines in indirect maps have the following syntax: key [ mount-options ] location Key key is a simple name (no slashes) in an indirect map. Mount-options The mount-options are the options you want to apply to this particular mount. They are required only if they differ from the map default. Location The location is the location of the file system, specified as server:pathname. An example of a typical auto_home map is: dale wombat:/export/home/dale victor taipan:/export/home/victor andrew emu:/export/home/andrew swamy wallaby:/export/home/swamy julia redback:/export/home/julia tony goanna:/export/home/tony george -rw,nosuid koala:/export/home/george As an example, assume that the previous map is on host echidna. If user george has an entry in the password database specifying his home directory as /home/george, then whenever he logs into computer echidna, autofs mounts the directory/export/home/george residing on the computer koala. 7.14.3 NFS Server Performance Enhancement (4.3.2) The NFS server performance of AIX 4.3.2 is enhanced with the implementation of a vnode cache in the JFS component of the kernel. The cache enables the NFS server code to translate an NFS file handle to a local vnode structure more efficiently than previous versions of AIX. As a result, the NFS server code spends less time holding a VFS lock word, which in turn, increases the available throughput of the NFS server. 190 AIX Version 4.3 Differences Guide
Chapter 8. Graphical Environment Enhancements Prior to the release of AIX Version 4.3, IBM shipped X11 Release 5 and additional backward-compatibility libraries plus Motif Version 1.2. AIX Version 4.3 provides graphics updates to two existing products. The first update, release 6 of the X-window system (X11R6), allows developers to use new extensions and enhancements to existing extensions. The second update, MotifNext or Motif 2.1, provides a range of new function including thread safe libraries and 64-bit enablement. 8.1 X-Windows Architecture Review The X-windows architecture consists of three basic components: The client, protocol, and server. These components will be the subject of the following sections. 8.1.1 Client 8.1.2 Protocol The X Client is a software application that requests services from another application called the server, possibly across a network. A typical example would be a stock control application that used the services of an X Station to display output and accept user input from a keyboard or other input device. It is normally written in a high-level language, commonly C, and is linked with one or more of the X libraries. The instructions that the application developer uses to interact with the server are very low-level and allow them to open a connection with the server, create and manipulate windows, draw elementary shapes (lines, rectangles, circles, characters, and so on), and handle events, such as mouse movements or keystrokes. To increase productivity, toolkits have been developed that perform complex operations by calling several elementary subroutines. The most elaborate toolkits, such as Athena or Motif, also contain widgets. Widgets are program objects with a predefined appearance and behavior, such as a menu push button. The standard toolkits provided with AIX are: Xt Xaw Xmu Xext Xi Xm The basic X toolkit with hundreds of standard functions, also called intrinsics. The Athena Widget set from the X Consortium. Miscellaneous utilities. The extension library. The input extension library. It manages the peripherals, that is, keyboard and mouse. The Motif library of widgets with a 3D-look. The protocol is a formal description of the conversation that is carried out between the client and the server. The server and clients exchange information using messages. These messages are contained in packets that can be transported over a network if necessary. There are four packet types: Request Used by the client to ask the server to perform an action. Reply Used by the server to answer the client after a request has been received. © Copyright IBM Corp. 1998 191
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AIX Version 4.3 Differences Guide R
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Take Note! Before using this inform
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2.12.5 Boot Logical Volume Scaling
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Chapter 6. System Management and Ut
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7.1.8 Commands and Applications Ena
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8.2.23.1 Input Method Values . . .
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10.6 National Language Enhancements
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xiv AIX Version 4.3 Differences Gui
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51. Documentation Search Service. .
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51. List of Locales for Euro-Specif
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The authors of the First Edition ar
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xxii AIX Version 4.3 Differences Gu
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The RS/6000 Enterprise Server Model
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• 1 MB of Level 2 (L2) cache. •
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The Model 260 is designed for custo
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Table 3 is a comparison of various
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1.6 Gigabit Fibre Channel Adapter A
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12 AIX Version 4.3 Differences Guid
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work as on previous releases of AIX
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For AIX systems using AIX Version 3
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destructive overlay can be caught w
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The maximum number of file descript
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2.12.1.2 Network Memory Buffer Pool
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2.12.3 Larger Pipe Buffer Pool The
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The nice value has a much greater i
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Table 9. Old Priority Algorithm, sc
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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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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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304 AIX Version 4.3 Differences Gui
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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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