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- PRODUCT : Paradox NUMBER : 620
- VERSION : 3.5
- OS : PC DOS
- DATE : August 26, 1991 PAGE : 1/4
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- TITLE : Connecting to IBM EE Database Manager
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- TROUBLE SHOOTING COMMON INSTALLATION PROBLEMS CONNECTING TO IBM
- EE DATABASE MANAGER:
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- If you run into problems when you first use Paradox SQL Link with
- the IBM EE Database Manager, try to isolate the problem. (The
- Database Administrator must perform these tasks, keeping the
- needs of other applications in mind.)
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- -> Make sure that the server was installed to support remote
- database access. One way to verify this is to install
- another OS/2 machine and run the Query Manager.
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- -> Verify that the network layer is functioning by trying to
- share files and print jobs to the spooler.
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- -> If you are using LAN Server and cannot connect, check to see
- that your network software is running. If DOS workstations
- can access a shared directory on the server, then you have
- the correct drivers loaded and you know your hardware is
- working properly.
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- -> If you're using a Token Ring network, verify that your
- CONFIG.SYS contains the following lines:
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- DEVICE=C:\SQLIBM\DXMA0MOD.SYS
- DEVICE=C:\SQLIBM\DXMC0MOD.SYS
- DEVICE=C:\SQLIBM\DXMTA0MOD.SYS S=12 C=14 ST=12
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- If you're using an Ethernet network, verify that your
- CONFIG.SYS contains the following lines
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- DEVICE=C:\LANMAN\PROTMAN.EXE
- DEVICE=C:\LANMAN\ELNKII.DOS
- DEVICE=C:\LANMAN\DXMA0MOD.SYS 045
- DEVICE=C:\LANMAN\DXME0MOD.SYS
- DEVICE=C:\LANMAN\DXMT0MOD.SYS
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- You can use the configuration program (DXMAID) to configure
- your workstation properly and to copy the correct drivers to
- your hard disk.
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- DXMTOMOD.SYS (the NETBIOS device driver) can have serval
- parameters. The most common parameters are listed here:
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- PRODUCT : Paradox NUMBER : 620
- VERSION : 3.5
- OS : PC DOS
- DATE : August 26, 1991 PAGE : 2/4
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- TITLE : Connecting to IBM EE Database Manager
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- -> S = Sessions
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- Indicates the maximum number of NETBIOS interface
- sessions that you can define.
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- -> C = Commands
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- Indicates the NETBIOS interface commands that can be
- outstanding at one time.
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- -> ST = Station
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- Indicates the maximum number of NETBIOS workstations you
- can define. If this number is too large (default is 16),
- you will not be able to connect to your network.
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- -> If you are starting the LAN Requestor, check the parameters
- in IBMLAN.INI (the OS/2 LAN Server initialization file) as
- described next, and allow access for the increased number of
- workstations. The following lists the section in IBMLAN.INI
- that affects how the workstation connects. You should ask
- your Database Administrator for assistance with these
- parameters, or refer to your IBM EE DBM manuals for a full
- explanation.
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- -> [networks] (The information in this section of IBMLAN.INI
- is read by the redirector at device initialization.)
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- NET1 = NETBIOS$, 0, NB30, 32, 32, 16
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- The fourth and fifth parameters affect how Paradox SQL
- Link connects.
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- The fourth parameter, 32 is the number of NETBIOS
- sessions the requestor allocates from the Communications
- Manager configuration file. Changing this value
- increases or decreases the maximum number of connections
- (a connection can be a logon or a NET USE).
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- The fifth parameter, 32 is the number of simultaneous
- NETBIOS commands. Changing this value can increase or
- decrease the number of requests the LAN requestor can
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- PRODUCT : Paradox NUMBER : 620
- VERSION : 3.5
- OS : PC DOS
- DATE : August 26, 1991 PAGE : 3/4
-
- TITLE : Connecting to IBM EE Database Manager
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- process at once. The default value is 32 for a server or
- 16 for a requestor that NETBIOS names. Decreasing this
- value means sharing fewer resources and adding fewer
- messaging names. Increasing this number means sharing
- more resources.
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- -> Make sure you specify the correct server name on the
- Tools|SQL|Connecting|Select screen. If you are using the
- Query Manager on your server, the server name is the
- workstation name shown on the Tools|Reconfigure screen in
- the Query Manager.
-
- -> A codepage is a table that defines a coded character set
- for a language or country. To find the active codepage
- on your server, type chcp at the OS/2 prompt. Paradox
- returns a remote database error if you try to use a
- database that was created under a different codepage than
- the one currently set. You must modify your CONFIG.SYS
- if the Query Manager's codepage specifies a different
- number that the one on your workstation.
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- -> Verify that the Database Manager and all corresponding
- pieces are installed on your server by entering the
- command syslevel at the OS/2 prompt. IBM EE returns the
- version number, the location on all installed elements,
- and the names of all installed elements. Here's a sample
- report:
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- C:\0S2\INSTALL\SYSLEVEL.OS2
- IBM 0S/2 Base Operating System
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- C:\CMLIB\SYSLEVEL.ACS
- IBM OS/2 Communications Manager
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- C:\SQLLIB\SYSLEVEL.SQL
- IBM OS/2 Database Services
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- C:\SQLLIB\SYSLEVEL.QRW
- IBM OS/2 Query Manager
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- C;\MUGLIB\SYSLEVEL.MUG
- IBM OS/2 User Profile Management
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- PRODUCT : Paradox NUMBER : 620
- VERSION : 3.5
- OS : PC DOS
- DATE : August 26, 1991 PAGE : 4/4
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- TITLE : Connecting to IBM EE Database Manager
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- C;\DBDRQLIB\SYSLEVEL.PDR
- IBM OS/2 DOS Database Requestor
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- C:\IBMLAN\SYSLEVEL.REQ
- IBM OS/2 LAN Requestor
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- C:\IBMLAN\SYSLEVEL.SRV
- IBM OS/2 LAN Server - Version 1.2
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- -> If you're using the DOS LAN Requestor, verify that your
- AUTOEXEC.BAT file contains the following lines (some
- parameters differ based on your environment):
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- PATH=C:\;C:\DOS:C:\SQL\BIN;C:\SQLIBM;C:\DOSLAN;
- YNPROMPT Y N 30 START DOS LAN REQUESTOR (Y/N)?
- IF ERRORLEVEL 1 GOTO NODLR
- NET START
- IF ERRORLEVEL 1 GOTO NODLR
- CALL INITFSI.BAT
- :NODLR
- NET LOGON JSMITH JOE
- C:
-
- -> Use the Query Manager to verify that the database is
- running.
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- -> Finally, try using hardware diagnostics to make sure your
- network card works.
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- -> For more information on IBM tools, see you IBM EE DBM
- documentation.
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