using Cyrus was Re: Re: Planning Mail Server (with low resources)

[craigwhite at azapple.com (Craig White)]

On Wed, 2005-12-07 at 01:09 +0800, Feizhou wrote:
> > depends upon configuration - default invoca.ch rpm's would have (and
> > thus RHEL/CentOS) distribution would have...
> > 
> > ]# ls -l /var/lib/imap/db.backup1
> > total 9408
> > -rw-------  1 cyrus mail     144 Dec  6 09:20 annotations.db
> > -rw-------  1 cyrus mail 9573343 Dec  6 09:20 log.0000000005
> > -rw-------  1 cyrus mail   21336 Dec  6 09:20 mailboxes.db
> > 
> > # ls -l /var/lib/imap/db.backup2
> > total 9336
> > -rw-------  1 cyrus mail     144 Dec  6 08:50 annotations.db
> > -rw-------  1 cyrus mail 9500591 Dec  6 08:50 log.0000000005
> > -rw-------  1 cyrus mail   21336 Dec  6 08:50 mailboxes.db
> > 
> > thus there should be at least 2 backups of the mailboxes.db
> > automatically. Of course this doesn't supplant a decent backup
> > implementation.
> > 
> 
> I take it then that adding/removing mailboxes are the only times this 
> file gets updated?
----
no - db is checkpointed (cyrus.conf)

EVENTS {
  # this is required
  checkpoint    cmd="ctl_cyrusdb -c" period=30

cyrus is very sophisticated

Craig