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primary-secondary sync problem

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Top Forums UNIX for Advanced & Expert Users primary-secondary sync problem
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Old 04-15-2008
primary-secondary sync problem
hi guys,

i am new to this DNS business and i'm having a problem.
the setup is bind 9.2.3 is installed on a sun solaris 8 server and is the primary DNS. men and mice suite is installed on another sun solaris 8 and that is our secondary DNS server.
problem is recently the secondary DNS stopped resolving addresses defined on the primary server. sync shoud be automatic but everytime i try to resolve using secondary i get the following error
"*** x.y.com can't find www.mjp.com.sa: Non-existent domain".

a work around this problem i found is to manualy add each domain to the secondary server but i need a permanent solution.

any1 can help plz ?
i dont know what information u guys need to troubleshoot this, so plz tell me and ill update asap.
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LEARN ABOUT DEBIAN

smtpdcheck

smtpdcheck(1)							Mail Avenger 0.8.3						     smtpdcheck(1)

NAME

       smtpdcheck - check SMTP servers

SYNOPSIS

       smtpdcheck [--stop {ip-addr|name}] [--timeout seconds]
		  [prio:]server [[prio:]server]

DESCRIPTION

       smtpdcheck checks to see if SMTP servers are available.	The intent is for use on secondary mail servers, which have no reason to accept
       mail when the primary server is available.

       The argument consists of a list of server names, each of which may optionally be prefixed by a numeric MX priority and a colon.	(This is
       exactly the format for MX records returned by the avenger dns command.)	smtpdcheck will attempt to connect to each server in succession.

       If one of the servers specified on the command line is available, smtpdcheck will print its name to standard output and exit with status 1.
       If smtpdcheck cannot connect to any of the servers, it will exit with status 0.	If a system error occurs, smtpdcheck will exit with status
       2.

   OPTIONS
       --stop {ip-addr|name}
	   Tells smtpdcheck to stop before checking a server with IP address ip-addr or hostname name.	If such a host is encountered in the list
	   of servers and prio is specified, then smtpdcheck will consider it acceptable for other servers with the same priority to be available,
	   even if those servers were first in the list.  In other words, given the following arguments:

		  smtpdcheck --stop s2.domain.com 
			     10:s1.domain.com 10:s2.domain.com 
			     20:s3.domain.com

	   This command will always succeed, regardless of whether "s1.domain.com" is up, because "s2.domain.com" has the same priority.  On the
	   other hand, the following command will fail and output "s1.domain.com" if "s1.domain.com" is up:

		  smtpdcheck --stop s2.domain.com 
			     10:s1.domain.com 20:s2.domain.com 
			     30:s3.domain.com

	   If a gethostbyname lookup for the argument name fails, smtpdcheck will exit immediately with status 2.

       --timeout {seconds]
	   By default, smtpdcheck spends 10 seconds probing each server.  This includes the time to do a DNS lookup, to establish a TCP connection
	   to port 25 of the server, and to read the "220" SMTP code from the server's SMTP greeting message.  To use a different value, specify
	   it with the --timeout option.  The value 0 disables the timeout completely, which is dangerous since smtpdcheck might then end up
	   waiting forever to read the "220" string.

EXAMPLES

       To refuse to relay mail at a secondary MX server when the primary server is not down, you might place the following in
       /etc/avenger/secondary (assuming MxLocalRcpt is 1):

	       dns RECIP_MXES mx "$RECIPIENT_HOST"
	       setvars
	       server=`smtpdcheck --stop $MYIP $RECIP_MXES`
	       test -n "$server" && defer "Please use server $server"

SEE ALSO

       avenger(1) dbutil(1) asmtpd.conf(5),

       The Mail Avenger home page: <http://www.mailavenger.org/>.

BUGS

       smtpdcheck could achieve much lower latency by probing all the servers simultaneously.  It should also include some kind of caching, to
       avoid repeatedly trying to contact an unavailable server.  Finally, hosts with multiple IP addresses could be handled more cleanly, though
       what smtpdcheck does should probably work in most cases.

AUTHOR

       David Mazieres

Mail Avenger 0.8.3						    2012-04-05							     smtpdcheck(1)