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1992-03-23
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Addendum To The NetWare 3270 LAN Workstation for DOS Configuration Guide
This document will be easiest to read if configured for .5"" margins.
This Addendum describes the software changes that ensure version 2.0 of the
NetWare 3270 LAN Workstation for DOS software is compatible with version
1.1 of NetWare for SAA.
Who Should Read This Document?
Read this document if you want to use version 1.1 of NetWare for SAA to
connect a NetWare 3270 LAN Workstation to a host. Reading this is
unnecessary if you are configuring a NetWare 3270 LAN Workstation for a
connection through a NetWare SNA Gateway.
About the New Workstation Software
The new workstation software consists of the following files. These files
are on the Update Files for the NetWare 3270 LAN Workstation for DOS
diskette.
> WSCONFIG.EXE, which is the configuration program for the NetWare
3270 LAN Workstation for DOS. (This document refers to this program as
WSCONFIG.)
> WSCONFIG.MSG and WSCONFIG.HLP, which are two of the miscellaneous
files that support WSCONFIG.
> WSLAN.CFG, which contains the configuration settings for WSLAN.EXE.
(WSLAN.EXE is the control program for the NetWare 3270 LAN Workstation
for DOS.)
> IMERC.EXE, which is a transport driver that supports communication
between WSLAN.EXE and NetWare for SAA.
What Has Changed?
You need to be aware of the following changes that affect the workstation
software:
> What you specify for a server name has been changed.
The server name and the NetWare file server name are now the same
name. Formerly, these names had to be different from one another.
> Logical units (Lus) are now specified with the LU Category Selection
option instead of the LU Group Name option. To implement this change,
the following software alterations have been made:
> A Host Printer Session window and a Select LU Category window have
been added. The Basic Printer Session Information option of the Host
Printer Session window displays the Host Printer Session Information
window. The LU Category Selection option displays the Select LU
Category window. ("About the LU Categories" below, discusses the
Select LU Category window's options.)
> The LU Category Selection option has been added to the Host Display
Session window.
> The LU Group Name option has been deleted from the Host Display
Session Information window.
> The LU Group Name option has been deleted from the Host Printer
Session Information window.
About the LU Categories
When creating, inserting, or modifying a session, you specify which LU
NetWare for SAA allocates for the session. You do this by selecting the LU
Category Selection option, which has been added as discussed in "What Has
Changed?" above.
If you select the LU Category Selection option, WSCONFIG displays the
Select LU Category window. The Select LU Category window lets you specify
a public LU, pooled LU (the term pool is now used instead of group to
represent a set of host sessions that have been defined by your NetWare for
SAA system administrator), dedicated LU, or any LU. Details on the
different LU categories follow.
Public
A public LU is an unnamed LU that any workstation user can access. If a
public LU is requested, NetWare for SAA will allocate the first available
public LU that matches the type of LU that was specified.
If a public LU is requested, NetWare for SAA will not search LU pools or
dedicated Lus for an available LU.
Pooled
A pooled LU is an LU that belongs to a named LU pool. Your NetWare for SAA
system administrator may have defined an LU pool for your department or for
those users that need to access a specific application.
If you select the Pooled option, WSCONFIG prompts you to enter an LU pool
name. This name will be supplied to you by your NetWare for SAA system
administrator.
When the workstation control program is started, it will request a host
session from the specified LU pool. NetWare for SAA will verify that the
specified LU pool contains LUs that match the type of LU that the
workstation user is requesting and that the workstation user has access
rights to the specified LU pool. If both of these conditions are met,
NetWare for SAA will allocate the first LU available from the specified
pool.
Dedicated
A dedicated LU is a named LU that has been dedicated to a specific user or
for use in accessing a specific application.
If you select the Dedicated option, WSCONFIG prompts you to enter a
dedicated LU name. This name will be supplied to you by your NetWare for
SAA system administrator.
When the workstation control program is started, it will request the
dedicated LU that you specified. NetWare for SAA will verify that the
specified dedicated LU matches the type of LU that the workstation user is
requesting and that the workstation user has access rights to that LU. If
both of these conditions are met, NetWare for SAA will allocate the
dedicated LU.
Any
The Any option is the same as specifying an asterisk (*) for LU Group Name
in the previous version of the workstation software. (Because the Any
option has replaced the asterisk's function, the asterisk is no longer an
acceptable single-character identifier for an LU.)
If the Any option is specified, NetWare for SAA will search all the LU
pools, all the dedicated LUs, and all the public LUs that the workstation
user has access rights to for a session that matches the type of LU being
requested.
IMPORTANT: If the Any option is specified and the workstation user has
access rights to pooled, dedicated, and public LUs that match the type of
LU the user is requesting, it cannot be predicted whether the allocated LU
will be a pooled LU, a dedicated LU, or a public LU. Likewise, if the Any
option is specified and the workstation user has access rights to multiple
LU pools that match the type of LU the user is requesting, it cannot be
predicted from which LU pool the LU will be allocated.
How Are Previously Configured LUs Handled?
As discussed in the "What Has Changed?" section, the LU Group Name option
has been deleted. The following list describes how the new workstation
software handles LUs previously specified with the LU Group Name option.
You should be aware of this information before using the new workstation
software to change any configuration files created or modified with the
former workstation software.
> If an asterisk (*) was specified for the LU Group Name option, the new
software will automatically configure the LU as Any. You can change this
configuration if you want by using the Select LU Category window to specify
another LU category.
> If an actual name was specified for the LU Group Name option, the new
software will automatically configure the LU as Pooled. You can display
the LU pool name by selecting the Pooled option from the Select LU Category
window. If you want, you can use the Select LU Category window to specify
a different LU category.
What Do You Need to Do?
The following steps describe what you need to do if you want to use version
1.1 of NetWare for SAA to connect a NetWare 3270 LAN Workstation to a host.
If this is the first time NetWare for SAA is being installed, complete
steps 1 through 4. If version 1.0 of NetWare for SAA was previously
installed, you need to complete all the steps.
Updating for Version 1.1 of NetWare for SAA
--------------------------------------------
1. Instead of using the server name descriptions on pages 2-14, 3-7, and
3-17 of the NetWare 3270 LAN Workstation for DOS Configuration Guide, use
the following server name description:
The server name is the NetWare file server name for the server on which
NetWare for SAA is running. A server name can be from one to 47 non-blank,
printable characters. If the asterisk (*) is specified, the workstation
control program will search all the NetWare servers running NetWare for SAA
for an available session.
The new server name description is necessary because of the server
name changes discussed in "What Has Changed?" above.
2. Ignore the LU Group Name descriptions on pages 3-8 and 3-17 of the
NetWare 3270 LAN Workstation for DOS Configuration Guide.
As discussed in "What Has Changed?", the LU Category Selection option
has replaced the LU Group Name option.
3. If your previous copy of WSLAN.CFG contains settings you want to keep,
rename that file. Otherwise skip this step.
Previous settings specified in WSLAN.CFG will be lost unless you
rename that file because the new version of WSLAN.CFG will overwrite
the existing file when you update the software as described in Step 4.
4. Update the workstation software, by copying the files from the Update
Files for the NetWare 3270 LAN Workstation for DOS diskette to the
directory that contains the previous version of WSCONFIG.
The new files replace existing files that have the same name.
5. Change the server name specified in the workstation configuration file
to match the NetWare file server name for the server running NetWare for
SAA.
Before changing the workstation configuration file, make sure your
NetWare for SAA system administrator has set up the AUTOEXEC.NCF file
to remove the previous server name. Example AUTOEXEC.NCF files are
provided in the NetWare Communication Services Administration Guide
for version 1.1 of NetWare for SAA.
NOTE: The published version of document contains 5 illustrations which
could not be carried over to this ASCII version.