Dovecot index compatibility

2019-04-10 Thread Frido Otten via dovecot
We're in the process of upgrading Dovecot from version 2.1.17 to 2.2.27 (package Debian Stretch). We have a shared NFS storage in use by multiple servers without Dovecot director. I've tested by connecting to IMAP on the new server to my own mailbox. This isn't a problem. But when the server with t

Re: Error: fcntl(write-lock) locking failed

2015-12-16 Thread Frido Otten
Op 14-12-15 om 19:39 schreef Marcin Janowski: > Hello, one month ago I moved my smtp and imap server to other environment > with /var/vmail on NFS. After this move i have warnings about too long > "Locking transaction log", but today i have errors about "fcntl(write-lock) > locking failed ". What t

Re: Sieve, shared folders, different daemons

2015-12-01 Thread Frido Otten
Op 01-12-15 om 08:41 schreef Steffen Kaiser: > On Mon, 30 Nov 2015, Frido Otten wrote: > > > In our dovecot setup we use 3 different config files. One for > > maildropping(sieve), one for dovecot/imap on standard ports with ssl > > config and one for dovecot/imap on

Sieve, shared folders, different daemons

2015-11-30 Thread Frido Otten
Hi, In our dovecot setup we use 3 different config files. One for maildropping(sieve), one for dovecot/imap on standard ports with ssl config and one for dovecot/imap on standard ports+1 with a different ssl certificate. Currently the client using the standard port+1 config wants to make use of sh

Migrating from NetApp to ZFS

2015-03-10 Thread Frido Otten
Hi All, We're currently in the process of migrating from a NetApp storage to a ZFS storage, both shared over NFS. We've ran into some problems which were solved by switching to dotlocks instead of flock. But now there's one problem left with the dotlock method. When connecting to Dovecot/IMAP, and

Re: High I/O wait with Dovecot POP3

2014-11-20 Thread Frido Otten
Op 25-10-14 om 02:21 schreef Timo Sirainen: > On 22 Oct 2014, at 06:15, Frido Otten wrote: > >> In the past we've had 4 loadbalanced servers configured with courier >> pop3 and dovecot handling respectively POP3 and IMAP connections. These >> 4 servers have a s

High I/O wait with Dovecot POP3

2014-10-24 Thread Frido Otten
Hello, In the past we've had 4 loadbalanced servers configured with courier pop3 and dovecot handling respectively POP3 and IMAP connections. These 4 servers have a shared NFS storage on a Netapp FAS3220 controller with SAS disks. This setup is handling 50 POP3 sessions per second without any prob