[Dovecot] Posfix and Dovecot (dovecot like LDA) and no space left on the disk

[Petr Svacina]

Hi, Yes know, I know, that ANY OUT of SPACE problem is SPECIALLY administrator's problem and please check my previous answer ...
Out of space on the disk is my problem, but I want to know, why postfix receive message to it's spool (another partition - lot of space) and when postfix uses dovecot to deliver message
to the inbox, where is NO space, why message is lost and removed from qmgr. 

thanks a lot :-) 

Peter

> 
> On 5/9/2011 10:37 AM, Petr Svacina wrote:
>> Hi,
>> 
>> Please I have a question:
>> 
>> If my server is out of space (disk full) and  the postfix is LDA, the new messages a deffered or refused,so postfix send 450 to sender ...
>> But When I use dovecot (1.2.16) like LDA, postfix accept message (even there is no space), forward to dovecot, dovecot REFUSE the message and message is lost !
>> 
>> How can I solve this ? I don't want tu use quota and the disk was full, because of the other problem ....
> 
> This is more of a mail server admin 101 issue than a Dovecot issue. 
> Putting your log, mail spool, and user mail directories on separate 
> partitions, physical disks, or SAN LUNs will prevent such a problem from 
> occurring 99% of the time, assuming you have planned and sized your 
> storage appropriately for your environment.  At minimum you should have 
> your spool and user mail storage on different partitions.  To avoid this 
> issue the other 1% of the time, use monitoring or log summary tools to 
> notify you of disk space usage so you know when you're close to running 
> out of space.  For instance, I receive the following as part of my daily 
> logwatch summary on my personal domain MX:
> 
>  Filesystem            Size  Used Avail Use% Mounted on
>  /dev/sda2              33G  4.2G   28G  14% /
>  /dev/sda1              92M  8.4M   79M  10% /boot
>  /dev/sda6              94G  1.2G   92G   2% /home
>  /dev/sda7              94G   25G   70G  26% /samba
> 
> Note that I have both system logs and the mail spool on / but user mail 
> directories in /home.  This setup is acceptable for a low volume server. 
>  For a high volume server the mail spool should be on a dedicated 
> partition, as well as user mail dirs.
> 
> If you already know all of this and an unforeseen issue caused your 
> problem, accept my apologies for preaching to the choir.
> 
> -- 
> Stan
> 


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