Fatal: nfs flush requires mail_fsync=always

[Aki Tuomi]

On 19.01.2018 11:55, Søren Skou wrote:
> Hiya all,
>
> I'm seeing this "Fatal: nfs flush requires mail_fsync=always" error on
> my testbed. The issue is that from what I can see, mail_fsync is set
> to always :
>
> # doveconf -n | grep mail_fs
> mail_fsync = always
>
> The result is that the client does not connect at all, which is not
> really what I wanted to happen :)
>
> Any idea what is going wrong here?
>
> Best regards
> Søren P. Skou
>
> doveconf -n
>
> # 2.3.1.alpha0 (bdfa22623) [XI:2:2.3.1~alpha0-1~auto+14]:
> /etc/dovecot/dovecot.conf
> # Pigeonhole version 0.5.1.alpha0 (d5f710e0)
> # OS: Linux 4.9.0-4-amd64 x86_64 Debian 9.3 nfs
> auth_worker_max_count = 200
> dict {
>   expire = mysql:/etc/dovecot/dovecot-dict-sql.conf.ext
>   quota = mysql:/etc/dovecot/dovecot-dict-sql.conf.ext
>   sqlquota = mysql:/etc/dovecot/dovecot-dict-sql.conf.ext
> }
> disable_plaintext_auth = no
> lock_method = dotlock
> mail_fsync = always
> mail_location = maildir:/mnt/virtual_mail/%d/%n
> mail_nfs_index = yes
> mail_nfs_storage = yes
> mail_plugins = quota
> mailbox_list_index = no
> metric imap_select_no {
>   event_name = imap_command_finished
>   filter {
>     name = SELECT
>     tagged_reply_state = NO
>   }
> }
> mmap_disable = yes
> namespace inbox {
>   inbox = yes
>   location =
>   mailbox Drafts {
>     special_use = \Drafts
>   }
>   mailbox Junk {
>     auto = subscribe
>     special_use = \Junk
>   }
>   mailbox Sent {
>     special_use = \Sent
>   }
>   mailbox "Sent Messages" {
>     special_use = \Sent
>   }
>   mailbox Trash {
>     special_use = \Trash
>   }
>   prefix =
> }
> passdb {
>   args = /etc/dovecot/dovecot-sql.conf.ext
>   driver = sql
> }
> plugin {
>   quota = dict:User quota::proxy::sqlquota
>   quota_grace = 10%%
>   quota_rule = *:storage=1000m:messages=300000
>   quota_rule2 = Trash:storage=+10%%:messages=+10%%
>   quota_rule3 = Junk:storage=+20%%:messages=+20%%
>   quota_status_nouser = DUNNO
>   quota_status_overquota = 552 5.2.2 Mailbox is full
>   quota_status_success = DUNNO
>   quota_warning = storage=75%%:messages=75%% quota-warning 75 %u
>   quota_warning2 = storage=95%%:messages=95%% quota-warning 95 %u
>   quota_warning3 = -storage=100%%:messages=100%% quota-warning below %u
>   sieve = /etc/dovecot/sieve/default.sieve
>   sieve_global_dir = /etc/dovecot/sieve
> }
> protocols = " imap pop3"
> service dict {
>   unix_listener dict {
>     mode = 0600
>     user = vmail
>   }
> }
> service imap {
>   executable = imap
> }
> service quota-status {
>   client_limit = 1000
>   executable = quota-status -p postfix
>   inet_listener {
>     address = 127.0.0.1
>     port = 12340
>   }
> }
> service quota-warning {
>   executable = script /usr/local/bin/quota-warning.sh
>   user = vmail
> }
> ssl_ca = /etc/ssl/certs/ca-root.crt
> ssl_cert = </etc/ssl/certs/stjerne.danskkabeltv.dk-2019.crt
> ssl_cipher_list = TLSv1+HIGH !SSLv2 !RC4 !aNULL !eNULL !3DES-CBC !3DES @STRENGTH
> ssl_dh =  # hidden, use -P to show it
> ssl_key =  # hidden, use -P to show it
> userdb {
>   args = uid=2000 gid=2000 home=/mnt/virtual_mail/%d/%n
>   driver = static
> }
> protocol lmtp {
>   mail_plugins = quota
> }
> protocol lda {
>   mail_plugins = quota
> }
> protocol imap {
>   mail_plugins = quota imap_quota
>   rawlog_dir = /tmp/rawlog/%u
> }

Hi!

Thanks, we'll look into it.

Aki