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PRO/5 Data Server
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00426: READ.ME for PRO/5 Data Server (TM) for Windows NT REV. 1.05
READ.ME for PRO/5 Data Server (TM) for Windows NT REV. 1.05
READ.ME for PRO/5 Data Server (TM) for Windows NT REV. 1.05
BASIS International Ltd.
February 10, 1997
TABLE OF CONTENTS
1. Important Information
2. Limitations and Restrictions
3. Forced and Involuntary Data Server Termination
4. Known Deviant Behavior from the PRO/5 Data Server
1. IMPORTANT INFORMATION
1. The new command line option, ‘-n’ has been added, and
causes the Data Server to attempt to enable the
TCP_NODELAY socket option on all client connections.
This causes the TCP/IP to disable the Nagle algorithm
from the connection on that socket. BASIS does not
recommend or endorse the use of ‘-n’ command and may
remove it from any future releases or updates of the
PRO/5 Data Server for Windows NT.
The Nagle algorithm is used to reduce the number of small
packets sent by a host (i.e., by buffering unacknowledged
send data until a full-size packet can be sent). For the
reading and writing of a large number of small records
to/from the NT Data Server the disabling of the Nagle
algorithm can have a positive impact. However, the
utilization and performance of the physical transmission
mediums like Ethernet can be negatively impacted by the
disabling of the Nagle algorithm. YOU SHOULD NOT USE THE
‘-n’ OPTION TO DISABLE THE NAGLE ALGORITHM UNLESS YOU
UNDERSTAND THE IMPACT.
For further information on the NAGLE algorithm, and its
possible effects, consult the following sources:
Comer, Douglas E., “Internetworking With TCP/IP, Volume 1:
Principals, Protocols, and Architecture (Third Ed.).”
Prentice Hall, 1995.
Stevens, W. Richard, “TCP/IP Illustrated, Volume 1:
The Protocols.” Addison-Wesley, 1994.
2. The directory for the log file has changed from “C:\TMP” to
“C:\TEMP” in the PRO/5 Data Server Guide and will be created
in this directory.
3. Any capable TCP/IP PRO/5 client is fully supported. Your
TCP/IP stack must be fully configured and functional to run
the NT Data Server. If you have not done this, please do so
before proceeding any further.
4. Previous versions of BBx (e.g., BBxPROGRESSION/4 (R)) or
earlier clients are NOT supported by any PRO/5 Data Server.
This includes the Windows NT version of the PRO/5 Data Server
for Intel platforms.
5. An Intel Pentium processor is highly recommended.
Do not run the PRO/5 Data Server with Windows NT on any hardware
that has BIOS POWER SAVING (DPMS) enabled.
2. LIMITATIONS AND RESTRICTIONS
1. Currently, you should not use the Windows NT system for any
other purpose than for running the PRO/5 Data Server. This is
especially true if you have heavy file activity that will be
utilizing the PRO/5 Data Server.
2. The PRO/5 Data Server for Windows NT has been tested as fully
functional on both PRO/5 Revision 1.0 and Revision 1.01
3. FORCED AND INVOLUNTARY DATA SERVER TERMINATION
1. The PRO/5 Data Server is a Windows WIN32 based Console
application. If a failure occurs (e.g., execution of a
non-activated version of the program), the console window
will remain visible for 10 seconds before being unmapped
from the display, but only if it was started from the Program
Manager. This allows the user to read any message(s) that may
be printed to the console.
2. The time delay is only valid upon a clean exit. A Control-C
(holding down the Ctrl key and pressing the C key at the same
time) will cause termination of the PRO/5 Data Server. The
PRO/5 Data Server will immediately exit, and all connections
from its clients will be lost. The window (or icon if
iconified) will be unmapped and removed from the display.
3. If an unrecoverable error is experienced the PRO/5 Data Server
could terminate, without the time delay of the window. If this
continually happens, it is suggested that you run the PRO/5 Data
Server from an MS-DOS command line window. This will allow you to
record messages and other useful information reported at the
PRO/5 Data Server termination.
Note: Please keep all of this information because it could be
very useful. It may be referred to by BASIS Support and
Engineering groups to help resolve the unexpected failure
4. KNOWN DEVIANT BEHAVIOR FROM THE PRO/5 DATA SERVER
1. If the primary connection control process (daemon) for the
Windows NT version of the PRO/5 Data Server terminates, all
active and open files from any client will no longer be
accessible. The PRO/5 Data Server must be restarted and all
client open files must be closed and reopened to use the
restarted PRO/5 Data Server.
Note: Whether this behavior will be in the next release of
the Windows NT version is undetermined at this time.
2. The current implementation of PRO/5 Data Server for
Windows NT does not allow the Data Server to be started
automatically at system boot time. With Windows NT, there is
NOT an initialization script file that is executed at
operating system boot time like on most UNIX platforms. The
Data Server can be started at user login time, by putting its
Icon in the Start-up Program Manager group.
3. This version of the PRO/5 Data Server does not support the
UNIX style “.rhost” form of user authentication, and neither
does Windows NT. There is no remote to local user
authentication in the PRO/5 Data Server for Windows NT. It has
not been determined at the time of this writing if BASIS will
attempt to implement something similar to the UNIX style
“.rhost” with a future release of the PRO/5 Data Server for
(All products names and brand names are service marks and/or trademarks
or registered trademarks of their respective companies.)
[End of File]
Last Modified: 12/31/1998 Product: PRO/5 Data Server Operating System: Windows NT
BASIS structures five components of their technology into the BBx Generations.