On Sat, 2012-08-11 at 00:56 +0200, Daniel Parthey wrote:
Hi Jeff, Please start by following the instructions at http://dovecot.org/bugreport.html and post your 'doveconf -n' output in order to provide possibly important information about your system and configs.
Storage is local hardware-based RAID (SATA drives). FS is ext4. No core dump that I know of. Command used (mailbox is over 2GB):
# su vmail -c "dsync -u user@domain.com backup ssh vmail@bk05 dsync -c /etc/dovecot/dovecot.conf -u user@domain.com"
Config file: # 2.1.9: /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-220.17.1.el6.x86_64 x86_64 CentOS release 6.2 (Final) auth_mechanisms = plain login default_client_limit = 15000 default_process_limit = 10000 disable_plaintext_auth = no listen = * mail_gid = vmail mail_location = mdbox:~/mdbox mail_plugins = zlib quota stats mail_uid = vmail mmap_disable = yes namespace { inbox = yes location = prefix = INBOX. separator = . } passdb { args = /etc/dovecot/conf.d/dovecot-sql.conf.ext driver = sql } plugin { quota = dict:User noenforcing quota::file:%h/dovecot-quota stats_refresh = 30 secs stats_track_cmds = yes zlib_save = gz } protocols = imap pop3 service auth { client_limit = 10000 unix_listener auth-userdb { mode = 0666 } } service imap-postlogin { executable = script-login /usr/bin/postlogin-imap.sh user = $default_internal_user } service imap { drop_priv_before_exec = yes executable = imap process_limit = 10000 } service pop3-postlogin { executable = script-login /usr/bin/postlogin-pop.sh user = $default_internal_user } service pop3 { drop_priv_before_exec = yes executable = pop3 process_limit = 2500 } service stats { fifo_listener stats-mail { mode = 0600 user = vmail } } ssl_cert =