Error: o_stream_send_istream and Disconnected in APPEND
Alessio Cecchi
alessio at skye.it
Thu Jul 11 10:13:06 EEST 2019
Hi,
I'm running some Dovecot servers configured with LVS + Director +
Backend + NFS and version 2.2.36.3 (a7d78f5a2).
In the last days I see an increased number of these error:
Error:
o_stream_send_istream(/nfs/mail/company.com/info/Maildir/.Sent/tmp/1562771349.M255624P9151.pop01)
failed: Broken pipe
always with action "Disconnected in APPEND", when users try to upload a
message in Sent or Drafts.
Here the logs:
Director:
Jul 10 14:53:06 imap-login: Info: proxy(info at company.com): started
proxying to 10.0.0.20:143: user=<info at company.com>, method=PLAIN,
rip=84.1.2.3, lip=195.1.2.3, lport=993, TLS, session=<eA6XKFONwP1f5Sh4>
Jul 10 15:09:56 imap-login: Info: proxy(info at company.com): disconnecting
84.1.2.3 (Disconnected by client: EOF(0s idle, in=648413, out=6602)):
user=<info at company.com>, method=PLAIN, rip=84.1.2.3, lip=195.1.2.3,
lport=993, TLS, session=<eA6XKFONwP1f5Sh4>
Backend:
Jul 10 14:53:06 pop01 dovecot: imap-login: ID sent:
x-session-id=eA6XKFONwP1f5Sh4, x-originating-ip=84.1.2.3,
x-originating-port=64960, x-connected-ip=195.1.2.3,
x-connected-port=993, x-proxy-ttl=4: user=<>, rip=84.1.2.3,
lip=195.1.2.3, secured, session=<eA6XKFONwP1f5Sh4>
Jul 10 14:53:06 pop01 dovecot: imap-login: Login:
user=<info at company.com>, method=PLAIN, rip=84.1.2.3, lip=195.1.2.3,
mpid=9151, secured, session=<eA6XKFONwP1f5Sh4>
Jul 10 14:53:07 pop01 dovecot: imap(info at company.com)
session=<eA6XKFONwP1f5Sh4>: ID sent: name=Thunderbird, version=60.7.2
Jul 10 15:09:56 pop01 dovecot: imap(info at company.com)
session=<eA6XKFONwP1f5Sh4>: Error:
o_stream_send_istream(/nfs/mail/company.com/info/Maildir/.Sent/tmp/1562771349.M255624P9151.pop01)
failed: Broken pipe
Jul 10 15:09:57 pop01 dovecot: imap(info at company.com)
session=<eA6XKFONwP1f5Sh4>: Disconnected in APPEND (1 msgs, 48 secs,
0/2657336 bytes) in=886661 out=26654 del=1 expu=0 trash=0
I can't understand if is a network problem (Firewall? Load Balancer?
Switch?) or a users LAN problem. Or others.
When this happen user see an error message like "Unable to save email in
Sent folder".
Any suggestions?
Thanks
--
Alessio Cecchi
Postmaster @ http://www.qboxmail.it
https://www.linkedin.com/in/alessice
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