Re: [AMaViS-user] PID File Issues

On Fri, 2008-04-25 at 21:41 +0200, Mark Martinec wrote:
> Manish,
>
> > I am running amavisd-new 2.54. along with postfix on CentOS 5.1 on a
> > mail server. There was an unclean shutdown of the mail server and when
> > the system was started again, amavisd failed to start. Upon restarting
> > amavisd, the following error was generated in the logs:
> >
> > (!)Net::Server: 2008/04/25-09:14:18 Pid_file already exists for running
> > process (2440)... aborting\n\n at line 277 in
> > file /usr/lib/perl5/vendor_perl/5.8.8/Net/Server.pm
> >
> > The problem was solved by deleting the files /var/amavis/amavisd.lock
> > and /var/amavis/amavisd.pid and restarting amavisd. What needs to be
> > done so that this problem does not happen again ?
>
> Which version of Net::Server ? Are you sure the process 2440
> really did not exist (perhaps it existed as a result of starting
> amavisd twice by mistake) ? Please see subroutine check_pid_file
> in /usr/lib/perl5/vendor_perl/5.8.8/Net/Server/Daemonize.pm,
> it does try to check if a process whose ID was found in a pid file
> does exist, and it aborts only if finding a process is possible
> and the process was found. But I see the procedure is Linux-specific
> for no good reason - the kill 0 would do the same job more portably.
>
> Mark
>


I think I need to restate the problem and sort out the confusion. It
happened again during the weekend. There was an unclean shutdown and
amavisd did not start on its own automatically when the system was
restarted. I have checked the logs and I could not find any error
messages but since amavisd did not start, postfix stopped accepting and
queueing mails, which was indicated in the mail log. However this time,
amavisd could be started manually without deleting any .pid or .lock
files. So my presumption that amavisd could not automatically start
because of presence or .pid or .lock files was probably not correct.

I am not being able to identify the reason because of which amavisd is
not getting automatically started when the system is booted after an
unclean shutdown. I have dealt with a number of amavisd installations
but have never faced this problem before. What needs to be done to
ensure that amavisd starts automatically even after an unclean system
shutdown or crash ?

Thank you,

--
Manish



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