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-   -   Mail server mirror (http://www.howtoforge.com/forums/showthread.php?t=60815)

agonyzt 5th March 2013 01:44

Mail server mirror
 
Hi,

I've been working with multiserver setup of ISPConfig and I was wondering what a mail server mirror is supposed to do. I read the manual, and I can't find this information. I can see the mail* databases of dbispconfig duplicated, but that's pretty much it.

Basically, I would expect the mirror server to relay mails to the main one when it recovers from a downtime... but it doesn't seem to work.

All I have in /var/log/maillog is:
Mar 4 19:15:04 lvweb1 postfix/smtpd[11378]: connect from localhost[::1]
Mar 4 19:15:04 lvweb1 dovecot: imap-login: Disconnected (no auth attempts): rip=::1, lip=::1, secured
Mar 4 19:15:04 lvweb1 postfix/smtpd[11378]: lost connection after CONNECT from localhost[::1]
Mar 4 19:15:04 lvweb1 postfix/smtpd[11378]: disconnect from localhost[::1]
Mar 4 19:15:04 lvweb1 dovecot: pop3-login: Disconnected (no auth attempts): rip=::1, lip=::1, secured
Mar 4 19:20:05 lvweb1 dovecot: imap-login: Disconnected (no auth attempts): rip=::1, lip=::1, secured
Mar 4 19:20:05 lvweb1 postfix/smtpd[11491]: connect from localhost[::1]
Mar 4 19:20:05 lvweb1 postfix/smtpd[11491]: lost connection after CONNECT from localhost[::1]
Mar 4 19:20:05 lvweb1 postfix/smtpd[11491]: disconnect from localhost[::1]
Mar 4 19:20:05 lvweb1 dovecot: pop3-login: Disconnected (no auth attempts): rip=::1, lip=::1, secured
Mar 4 19:25:04 lvweb1 postfix/smtpd[11600]: connect from localhost[::1]
Mar 4 19:25:04 lvweb1 dovecot: imap-login: Disconnected (no auth attempts): rip=::1, lip=::1, secured
Mar 4 19:25:04 lvweb1 dovecot: pop3-login: Disconnected (no auth attempts): rip=::1, lip=::1, secured
Mar 4 19:25:04 lvweb1 postfix/smtpd[11600]: lost connection after CONNECT from localhost[::1]
Mar 4 19:25:04 lvweb1 postfix/smtpd[11600]: disconnect from localhost[::1]
Mar 4 19:30:05 lvweb1 dovecot: imap-login: Disconnected (no auth attempts): rip=::1, lip=::1, secured
Mar 4 19:30:05 lvweb1 postfix/smtpd[11710]: connect from localhost[::1]
Mar 4 19:30:05 lvweb1 postfix/smtpd[11710]: lost connection after CONNECT from localhost[::1]
Mar 4 19:30:05 lvweb1 postfix/smtpd[11710]: disconnect from localhost[::1]
Mar 4 19:30:05 lvweb1 dovecot: pop3-login: Disconnected (no auth attempts): rip=::1, lip=::1, secured

Sounds like the server is trying to do something every 5 min but it doesn't seem to be much :P

Anyone knows?

Thanks,

-Agonyzt

till 5th March 2013 08:03

A mirror server is used for load balancing and high availability, so you can access mail accounts on both servers simultaniously and here is no need to forward any mail back to a master server as both servers are masters. According to your description, you did not do a complete mirror setup. You missed to install a cluster filesystem on the /ar/vmail mountpoint.


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