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Re: [WriteLog] Some perspective

To: "Ford Peterson" <ford@cmgate.com>,"K7ZO (Scott Tuthill)" <k7zo@cableone.net>, <jjreisert@alum.mit.edu>,<writelog@contesting.com>
Subject: Re: [WriteLog] Some perspective
From: Jim Rhodes <k0xu@iowadsl.net>
Date: Fri, 07 Jul 2006 22:46:06 -0500
List-post: <mailto:writelog@contesting.com>
At 10:19 PM 7/7/2006, Ford Peterson wrote:

>After reading the so-called step 2 about 50 times, and discussing it 
>with as many people.  Questions remain when interpreting it into XP.
>
>Step 2: share and copy a common WL file
>
>All stations participating in the network must be logging the same contest
>and the same exchange format. An easy way to ensure this is for at least one
>workstation to place a WL file in a directory shared on the network.
>Important: the workstation that creates the WL file must do a Setup Register
>to accept network connections before saving the WL file. Then a new
>participant should do a File Open on that WL file to get started. But it
>must immediately do a File Save As... to create a local copy because each
>WriteLog installation is designed to keep its own redundant copy of the
>entire log on its own disk so that it can carry on logging in the event of
>network failure.
>
>"At least one workstation" must mean at least one computer, which 
>may or may not be an operating position actually pumping Qs into the 
>log as well.  "in a directory shared on the network" is a notion 
>that remains subject to interpretation.  "immediately do a "file 
>save-as ... to create a local copy..."  A local copy where?  On that 
>shared subdirectory?  In a directory that cannot be shared?  What 
>must it be called?  Is the file name important?  Is this the file 
>that appears on the opening screen when you reboot WL?  This is an 
>opportunity to get it right  with flawless logging or have an 
>absolutely horrible weekend trying to fix what cannot be fixed.

Basically what it means is that each machine must have an identical 
log file saved in whatever directory it saves it's log in. (mine 
would be in c:/program files/ham/logs/fieldday2006/ for this past 
field day for each computer) Each machine has it's own log file open 
locally. This can be accomplished by sharing the file over the 
network or by making a copy to floppy or other removable media and 
taking it to each machine. Then each machine logs to this file. 
Writelog updates each log file continuously with the information from 
every other computer running Writelog on the network, so that when 
everything is running correctly, the log files are all the same. Now 
if one or more machines drop off of the network for some reason then 
Writelog kicks in again as soon as a connection is again established 
and brings all the logs back up to date. At this point there will be 
some duplicate QSO numbers, but this does not seem to cause any 
problems with scoring correctly. Because of the need to maintain the 
log file if the network goes down, it is of course best if the log 
file is kept on the drive of each computer. If the network goes down 
for some reason and your log file is on another computer that is now 
not accessible, then Writelog cannot find the log file and does I 
don't know what. But you seem to have been through this. For 
simplicity sake I keep the directory structure and file names the 
same on all computers. I have to admit that I don't know if this is 
mandatory but it makes it easier to keep track of all files. I 
believe that the file names do have to be the same, I don't thing the 
directories have to be the same.

Jim Rhodes K0XU
jim@rhodesend.net

Experience is the thing you have left when everything else is gone. 
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