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NNLOOP.DOC
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1990-02-22
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NNLOOP Testing Instructions
by Dane Manes
NNLOOP basically performs the following from each workstation; logon,
create unique directories, NCOPY files from SYS:PUBLIC to the unique
directories specified, then compare the files using DOS error checking.
You can have only one or as many stations as you want running this; the
only limitation is disk space. We recommend at least four (ARCNET) or
six (EtherNet) workstations to place an adequate load on the server.
Each workstation requires five megabytes of free space (total of
SYS:PUBLIC files) per directory on the SYS volume. The programs can
create from one to three directories on each volume. For example, six
workstations with three directories each would require approximately
95 megabytes on the server, plus 10% overhead just to be safe, or
about 100 megabytes.
The program files are listed below.
MVNNLOOP.BAT places the proper files on the server for testing.
It is passed one parameter, which is the file extension of the
testing program to be used. There are four digits specified, each
referring to the number of directories on the corresponding volume.
The first digit refers to SYS, the second to VOL1, the third to
VOL2, and the fourth to VOL3.
FILE DIRECTORES PER VOLUME
EXTENSION SYS VOL1 VOL2 VOL3
============== ====== ====== ====== ======
0200 0 2 0 0
1200 1 2 0 0
2000 2 0 0 0
2100 2 1 0 0
2200 2 2 0 0
2220 2 2 2 0
2222 2 2 2 2
3000 3 0 0 0
3200 3 2 0 0
3300 3 3 0 0
3320 3 3 2 0
GIVEN SIX WORKSTATIONS
===============================================
1 DIRECTORY REQUIRES APPROX 35 MEGS ON VOLUME
2 DIRECTORIES REQUIRE APPROX 70 MEGS ON VOLUME
3 DIRECTORIES REQUIRE APPROX 95 MEGS ON VOLUME
4 DIRECTORIES REQUIRE APPROX 110 MEGS ON VOLUME
NNLOOP.BAT is a file that is renamed from the floppy and placed on
the server in SYS:\. It is passed one parameter, which is a one
or two character alphanumeric to keep the directory entries unique.
The directory names must be unique for the test to operate
properly, otherwise sharing violations will occur.
For example, you have two drives upon which you want to make two
directories each. In the NETGEN program you have created one 255Mb
volume as SYS, one 255Mb volume as VOL1, and the other 110Mb volume as
VOL2. From the master floppy you would run MVNNLOOP 3320, which would
copy the correct files to the server. Then you would login from each
workstation attached (up to the maximum number for the file space
available) and run NNLOOP XXX from the SYS:\ directory. The XXX would
be replaced by a unique entry for each workstation (usually a, b, c, d,
etc...). This unique identifier will distiguish which directories
belong to which systems. You can now place the server in the monitor
mode and watch all the workstations doing NCOPY's and then subsequent
file compares. If a compare error occurs, the system will halt and
tell you and if other errors occur (i.e. hard disk I.O errors) you see
this on the server.