[Dovecot] Dovecot + NFS + FreeBSD breakage ?

[Xavier Beaudouin]

Hi,

I am trying to update my old mails servers from dovecot 2.1.15 to 2.2.12 (freebsd ports) and upgrade to FreeBSD 10.0-P3.

My mail storage are on NFS with index also.

On 2.1.15 everything is ok, and in 10-mail.conf I have the good things to be added as wiki tell me (eg http://wiki2.dovecot.org/NFS).

BUT, when I try a single connection  like :

$ telnet ::1 110
Trying ::1...
Connected to localhost.
Escape character is '^]'.
+OK Dovecot ready.
user test at domain
+OK
pass thebloodypass
Connection closed by foreign host.

Looking the log :

Jun  4 10:09:10 mail03 dovecot: master: Dovecot v2.2.12 starting up for imap, pop3, lmtp
Jun  4 10:09:20 mail03 dovecot: pop3-login: Login: user=<test at domain>, method=PLAIN, rip=::1, lip=::1, mpid=5540, secured, session=<7x47Jf76IQAAAAAAAAAAAAAAAAAAAAAB>
Jun  4 10:09:20 mail03 dovecot: pop3(kiwi at oav.net): Fatal: nfs flush requires mail_fsync=always

This is very strange since :

# doveconf -n | grep -E 'sync|nfs'
mail_fsync = always
mail_nfs_index = yes
mail_nfs_storage = yes


So either there is some breakage somewhere or something that is buggy somewhere...

Here is my doveconf -n :

# 2.2.12: /usr/local/etc/dovecot/dovecot.conf
# OS: FreeBSD 10.0-RELEASE-p3 amd64  
auth_cache_size = 1 M
auth_mechanisms = plain login digest-md5 cram-md5
auth_username_chars = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@%
auth_verbose = yes
disable_plaintext_auth = no
dotlock_use_excl = no
lda_mailbox_autocreate = yes
lda_mailbox_autosubscribe = yes
lmtp_rcpt_check_quota = yes
lmtp_save_to_detail_mailbox = yes
lock_method = dotlock
mail_debug = yes
mail_fsync = always
mail_location = maildir:~/Maildir:INDEX=/index/%d/%1n/%n
mail_nfs_index = yes
mail_nfs_storage = yes
mail_plugins = quota trash mail_log notify zlib fts fts_lucene
mailbox_list_index = yes
managesieve_notify_capability = mailto
managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date ihave
mmap_disable = yes
namespace inbox {
  inbox = yes
  location = 
  mailbox Drafts {
    auto = subscribe
    special_use = \Drafts
  }
  mailbox Sent {
    auto = subscribe
    special_use = \Sent
  }
  mailbox Trash {
    auto = subscribe
    special_use = \Trash
  }
  mailbox badh {
    auto = subscribe
    special_use = \Junk
  }
  mailbox spam {
    auto = subscribe
    special_use = \Junk
  }
  prefix = 
}
passdb {
  args = /usr/local/etc/dovecot/dovecot-ldap.conf.ext
  driver = ldap
}
plugin {
  fts = lucene
  fts_lucene = whitespace_chars=@.+
  mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename
  mail_log_fields = uid box msgid size
  quota = maildir
  quota_grace = 10%%
  quota_rule2 = Trash:storage=+10%%
  quota_rule3 = spam:storage=+20%%
  trash = /usr/local/etc/dovecot/dovecot-trash.conf
  zlib_save = bz2
  zlib_save_level = 9
}
service auth {
  unix_listener /var/spool/postfix/private/auth {
    group = wheel
    mode = 0666
    user = postfix
  }
}
service lmtp {
  inet_listener lmtp {
    port = 24
  }
}

ssl_ca = </usr/local/etc/CA/ca-bundle.pem
ssl_cert = </usr/local/etc/CA/domain_chain.pem
ssl_key = </usr/local/etc/CA/domain_chain.pem
ssl_prefer_server_ciphers = yes
submission_host = server:25
userdb {
  args = /usr/local/etc/dovecot/dovecot-ldap.conf.ext
  driver = ldap
}
verbose_proctitle = yes
protocol lmtp {
  mail_plugins = quota trash mail_log notify zlib fts fts_lucene sieve
}
protocol lda {
  mail_plugins = quota trash mail_log notify zlib fts fts_lucene sieve
}
protocol imap {
  mail_plugins = quota trash mail_log notify zlib fts fts_lucene imap_quota imap_zlib
}
protocol pop3 {
  mail_plugins = quota trash mail_log notify zlib fts fts_lucene
}


NFS mounts on freebsd :

172.31.0.1:/vol/mail/data on /mail (nfs, noatime)
172.31.0.1:/vol/mail/index/tmp on /index (nfs, noatime)

NFS server is also a FreeBSD (with ZFS).

I can give ssh accesss to this box.

Regards,
Xavier
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