[Dxspider-support] Partner seek.

charlie carroll k1xx at cfl.rr.com
Mon Dec 6 22:35:19 GMT 2004


Joe:
I agree with all of Dirk's comments.  One main connection and one backup
will serve you well.  Prior to moving to 4 land, I was one of the 2 hub
nodes in our YCCC network.  All of our leaf (spoke) nodes connected to
me.  If my node went down, the leaf nodes would automatically connect to
our backup hub node.  Once my node returned, the leaf nodes would
automatically reconnect back to me.  This configuration worked very well
for a number of years and during major contests.

I attached the crontab entries you'd need for the automatic switch over
at the end of this mail message.  Decide who you want for the primary
and secondary connect points and put those callsigns into the script.

One note.  The next to last line begins... 2,4,6,8   This is a single
long line.  Depending upon which mail program you use, it may appear as
2 lines.  Make sure it does not contain a CR/LF when you put it in your
crontab.

73 charlie, k1xx/4


# With thanks to N1ZUK who did the basic work.
# K1XX is the primary hub.  WA2UMX is the secondary hub.
# 
# This group of 3 lines attempts to maintain a connection
# to the primary hub.
# Initially, it logs into K1XX on the half hour
# Then every 2 minutes check if K1XX is there, if not, connect to
# WA2UMX as the backup.
# If connected to WA2UMX, near the half hour,  check to see if
# the K1XX node is back.  If K1XX is back, reconnect to him.
#
0,30 * * * * start_connect('K1XX') unless (connected('K1XX') or
connected('WA2UMX'))
#
2,4,6,8,10,12,14,16,18,20,22,24,26,28,32,34,36,38,40,42,44,46,48,50,52,54,56,58
* * * * start_connect('WA2UMX') unless (connected('WA2UMX') or
connected('K1XX'))
#
29,59 * * * * disconnect('WA2UMX') if present('K1XX')




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