[Dovecot] Dovecot: pipe() failed: Too many open files

[Frank Bonnet]

hello

here some useful informations

http://posidev.com/blog/2009/06/04/set-ulimit-parameters-on-ubuntu/

Envoyé de mon iPhone.


Le 16 août 2012 à 02:52, Fasil <mailadmin at cubixys.com> a écrit :

> Dear all,
> 
> Thank you all for such a wonderful support. Hats off to all :)
> 
> Few times I came across imap login issues where new users will not be allowed to login.
> /var/log/mail.err shows the error below
> Aug 12 07:57:46 mail dovecot: dovecot: pipe() failed: Too many open files
> Aug 12 07:57:46 mail dovecot: dovecot: Temporary failure in creating login processes, slowing down for now
> Aug 12 07:58:46 mail dovecot: dovecot: pipe() failed: Too many open files
> Aug 12 07:59:46 mail dovecot: dovecot: pipe() failed: Too many open files
> Aug 12 08:00:46 mail dovecot: dovecot: pipe() failed: Too many open files
> 
> I have a dovecot (V 1.2.9) +postfix (V 2.7.0) setup on ubuntu 10.04
> 
> # ulimit -Hn
> 1024
> 
> # ulimit -Sn
> 1024
> 
> # cat /proc/sys/fs/file-max
> 1238548
> 
> # cat /proc/`pidof dovecot`/limits | grep 'Max open'
> Max open files            1024                 1024 files
> 
> Please advice how to get rid off this.
> 
> Fasil.