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1991-10-23
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CONFIG LS 1.3 -- News of changes and additions.
Version 1.00 Changes from TUNELS12
There are a lot of these.
1. 3 additional questions on page 1 are included so some tuning
can be done depending on how you and your applications use the
server.
a. Do you store application code on the server? If so,
you'll get more bigbuffs to use to download it.
b. For those of you who have asked, the 16KB Token Ring Adapter is now
supported. Watch for the error message which says a 16/4 adapter
is REQUIRED, though.
c. Finally, what type of I/O do your applications do, mainly.
Data base apps are random, word processing, spreadsheets, etc
are sequential. Data base can use more cache, sequential apps
can use more read-ahead buffers. What do you want?
2. The second screen of questions asks what other applications
besides the server which may require Communications Manager
NETBIOS or 802.2 resources to be defined. So, if you have
other NETBIOS applications, the IBM LAN Network Manager,
SNA Gateway, Appc, Remote Data Services, or other 802.2
applications, your requirements can be factored into the
generated parameter recommendations.
3. Screen 3 has more error messages than before, but you still need
to ensure you have a string of OK's displayed here before
going on to the results. OK, I know the last entry will say
"None" if there are no warnings. The OK's are the important things.
4. There are several new error checks and error messages. These
should not make use of the tool harder, though.
5. Note that some new fields are calculated. Transmit buffer count,
802.2. users, NETBIOS Remote Name Directory size to name some.
6. The 802.2 Transmit Buffer Size recommendation is larger. New
capabilities in 1.3 cause this, it is not an error.
7. The results of the memory map and other calculations are now shown.
See cells D49 through D57. As always, memory calculations are best
effort, not warranties.
8. SRVHEURISTICS and SRVPIPES are also calculated now.
9. I tried to include the new memory requirements, but these are taken
from the documentation, and are not something I've tried out myself,
so I don't swear by them. You shouldn't either. Use of this tool
to find a minimum system is dangerous! It will give minimum
performance, and it may not run at all.
10. You might notice that there are fewer assumption made now.
11. As indicated, the Work Area and the Error messages areas have grown.
12. The LOTUS version is now a WK1 file, not a WKS file. I have only
used it with 123/G. No warrenty expressed or implied to those of you
who may want to run this on a DOS system.
It is possible to use TUNELS12 on a 1.3 server, but use of CNFGLS13 will
probably give a better performing system. Using CNFGLS13 on a 1.2
server is not recommended - it can waste some memory. Will run, though.
Neither TUNELS12 or CNFGLS13 can be used to generate reliable LAN Server
1.0 configurations.
-------------------
Version 1.01 (3/8/91)
This makes several changes, additions and corrections to the original
CNFGLS13 spreadsheets.
1. Adds a calculation for the 802.2 value for the Number of Queue
Elements
2. Adds a calculation for the 802.2 value for the number of Global
Descriptor Table Selectors
3. Includes 'srvpipes' in INI file memory usage calculation
4. Includes 802.2 Queue elements in memory usage calculation
5. Corrects errors in srvheuristics settings. These will not stop your
configuration from working, but the new values should be used.
6. Sets heuristics digit 7 OFF if over 60 DLRs.
7. Carries 'srvpipes' value from work area to INI file.
8. Corrects 802.2 reccomendations in WK1 file
9. Corrects 'maxshares' INI entry in WK1 file
10. Adds 'cleanup' to INI files
11. Changes version number to 1.01
-------------------
Version 1.02 (3/28/91)
A customer reported a problem when starting DLRINST. Insufficient
resources. Found and fixed the bug.
Also modified some formulae to try to speed up the calculation process a
bit; added INI and cache allotments to the 'memory required' calculation;
and clarified the wording of the question asking for the number of
stations required by a user's APPC application.
-------------------
Version 1.03 (4/30/91)
NOTE: This version of CNFGLS13 is to be used on servers with the SPE
installed that brings the server to 1.30.1, WR05015. 4/26/91.
1. This allows the HPFS to use DISKCACHE. In fact, the server will
make fairly small use of HPFS cache. Therefore, CNFGLS13 will cut
the size of HPFS cache in many cases and calculate a DISKCACHE for
CONFIG.SYS. The new caching will allow cache to contain code being
downloaded from the server to requesters, and will cache certain
random record I/O better than HPFS cache did. You may see performance
improvements of 20 percent or so. BUT, watch out for swapping! If
your server starts swapping, cut DISKCACHE back (in 512KB increments)
to stop the swapping. CNFGLS13 will only leave 1MB free for NET RUN,
AT, administrator, and printing functions, and this may not be enough
for your server.
If you are downloading code from your server and are copying it to
a VDISK to save disk I/O, you no longer need to do this (and share
the VDISK.) Eliminate it and give the memory to DISKCACHE and the
operation will be automatic!
2. Remote Data Services support of DOS requesters had some errors which
have been fixed in 1.03 of CNFGLS13. Didn't count NETBIOS resources
all correctly.
3. Several fields' editing and error messages have changed for clarity.
4. Communications Manager (CM) resource definitions have been re-ordered
so they are presented in the same sequence as the CM screens present
them.
5. The LOGIC document has had a major workover to reflect all changes.
6. APPC no longer gets a SAP (it uses SNA's)
-------------------
Version 1.04 (9/30/91)
This version of CNFGLS13 includes only minor changes.
1. Cell F7 has been modified to recommend the maximum size frame
supported by a 16/4 adapter running at 4Mbps (4464 Bytes) when
the server has application code which will be downloaded to
requesters. This can decrease the number of frames required for the
download and decrease the server workload as a consequence.
2. Remote Data Services support of DOS requesters. The requesters were
not counted in the recommended number of NETBIOS Stations. Cell
F14 has been modified to count them (defined in cell S26.)
3. Cell F9 has been modified to not recommend fewer than 800 queue
elements.
4. The LOGIC document has been modified to reflect all changes.
5. An additional module is now included in the package. CNFGLS13
NOTES is a ten page paper which describes most of the parameter
interdependences taken into account by the package, and explains
many of the assumptions I have had to make in it.
Many thanks for you notes and comments. Keep it up!
Tom Gordy (GORDY at DALVM41B)