[Dovecot] Error: file_dotlock_open() failed with file + Too many open files
Kavish Karkera
kavish.karkera at yahoo.com
Tue Aug 27 13:56:37 EEST 2013
Hi All,
We are getting these below error on our IMAP server.
is this because of open file limits.??
We have set it to 4096.
[root at vish conf.d]# ulimit -n
4096
Aug 27 16:08:26 imap(kavish.karkera at example.com-24685): Error: file_dotlock_open() failed with file /data/quarantine/index//data/quarantine/mailstore/24685/.INBOX.kavish.karkera/dovecot.index.cache: Too many open files
Aug 27 16:08:26 imap(kavish.karkera at example.com-24685): Error: open(/data/quarantine/index//data/quarantine/mailstore/24685/.INBOX.kavish.karkera/dovecot.index.cache.lock) failed: Too many open files
Below is our dovecot conf file.
======================================================================
# 2.2.5: /usr/local/dovecot-2.2.5/etc/dovecot-imap/dovecot.conf
# OS: Linux 2.6.18-194.26.1.el5 x86_64 CentOS release 5.5 (Final)
auth_socket_path = /usr/local/var/run/dovecot2.2-imap/auth-userdb
base_dir = /usr/local/var/run/dovecot2.2-imap/
default_vsz_limit = 1 G
first_valid_gid = 99
first_valid_uid = 99
hostname =
log_path = /var/log/dovecot2.2-imap.log
mail_location = maildir:~:INDEX=/data/quarantine/index/%h:CONTROL=/data/quarantine/index/%h
mail_plugins = " virtual notify"
namespace {
inbox = no
location =
prefix =
separator = .
type = private
}
namespace {
hidden = yes
inbox = yes
list = yes
location = virtual:~/virtual:LAYOUT=maildir++:INDEX=~/virtual:CONTROL=~/virtual
prefix = virtual.
separator = .
subscriptions = no
type = private
}
namespace {
hidden = yes
inbox = no
list = no
location = maildir:~:INDEX=/data/quarantine/index/%h:CONTROL=/data/quarantine/index/%h:LAYOUT=maildir++
prefix = boxvirtual.
separator = .
subscriptions = no
type = private
}
passdb {
args = /usr/local/dovecot-2.2.5/etc/dovecot-imap/dovecot-sql.conf.ext
driver = sql
}
protocols = imap
service auth {
unix_listener auth-userdb {
group = nobody
mode = 0666
user = nobody
}
}
service imap-login {
inet_listener imap {
port = 20143
}
vsz_limit = 1 G
}
service imap-postlogin {
executable = script-login -d /usr/local/bin/dovecot.virtual.sh
unix_listener imap-postlogin {
mode = 0666
}
}
service imap {
executable = /usr/local/dovecot-2.2.5/libexec/dovecot/imap imap-postlogin
vsz_limit = 1 G
}
ssl = no
userdb {
args = /usr/local/dovecot-2.2.5/etc/dovecot-imap/dovecot-sql.conf.ext
driver = sql
}
protocol imap {
mail_max_userip_connections = 1000
mail_plugins = " virtual notify"
}
Regards,
Kavish Karkera
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