Hello,
We have recently implemented dovecot directors to resolve an ongoing NFS
lock/corruption issue. Everything was working great! So we updated our servers
from centos 7.3 to 7.7 and dovecot 2.2.10 to 2.3.8
This was a bit of a failure and we were getting spammed with corrupt index files
and logs. After we clear the index files with rm
rf/mail/d/e/username/Maildir/dovecot*, they just come back in.
From:
dovecot-mysql-2.3.8-4.x86_64
dovecot-2.3.8-4.x86_64
dovecot-pigeonhole-2.3.8-4.x86_64
To:
dovecot-2.2.10-8.el7.x86_64
dovecot-mysql-2.2.10-8.el7.x86_64
dovecot-pigeonhole-2.2.10-8.el7.x86_64
We rolled back nfs-utils and libs due to a case on redhats bug report
"https://bugzilla.redhat.com/show_bug.cgi?id=1521071"
libnfsidmap-0.25-19.el7.x86_64
nfs-utils-1.3.0-0.65.el7.x86_64
to
libnfsidmap-0.25-15.el7.x86_64
nfs-utils-1.3.0-0.33.el7.x86_64
We rolled back our dovecot version to 2.2.10 and are still getting the following
logs.
Any advice would help
Network view:
|Dovecot Directors x 3|
|
|Dovecot servers x4| Storage is shared between all 4 servers
|
|Netapp NFSv3 Storage| Nothing changed here
Oct 25 01:33:25 <IP> dovecot: imap(<username>): Error: Log
synchronization error at seq=89,offset=32340 for
/mail/j/k/<username>/Maildir/dovecot.index: Extension record update for
invalid uid=6798
Oct 25 01:33:25 <IP> dovecot: imap(<username>): Error: Log
synchronization error at seq=89,offset=32384 for
/mail/j/k/<username>/Maildir/dovecot.index: Extension record update for
invalid uid=6798
Oct 25 01:33:25 <IP> dovecot: imap(<username>): Error:
Synchronization corrupted index header
/mail/j/k/<username>/Maildir/dovecot.index: first_recent_uid 6799 >
next_uid 6798
Oct 25 01:33:25 <IP> dovecot: imap(<username>): Warning: fscking
index file /mail/j/k/<username>/Maildir/dovecot.index
Oct 25 01:33:25 <IP> dovecot: imap(<username>): Error: Fixed index
file /mail/j/k/<username>/Maildir/dovecot.index: first_recent_uid 6799
-> 6798
Oct 25 01:33:26 <IP> dovecot: imap(<username>): Error: Broken file
/mail/j/k/<username>/Maildir/dovecot-uidlist line 6461: Invalid data:
Oct 25 01:33:26 <IP> dovecot: imap(<username>): Error: Log
synchronization error at seq=89,offset=32488 for
/mail/j/k/<username>/Maildir/dovecot.index: Append with UID 6798, but
next_uid = 6799
Oct 25 01:33:26 <IP> dovecot: imap(<username>): Warning: fscking
index file /mail/j/k/<username>/Maildir/dovecot.index
Oct 25 01:47:14 <IP> dovecot: imap(<username>): Warning: fscking
index file /mail/d/e/<username>/Maildir/dovecot.index
Oct 25 01:47:14 <IP> dovecot: imap(<username>): Error: Failed to map
transaction log /mail/d/e/<username>/Maildir/dovecot.index.log at
sync_offset=9900 after locking: pread() failed: Stale file handle
Oct 25 01:47:14 <IP> dovecot: imap(<username>): Error: Index
/mail/d/e/<username>/Maildir/dovecot.index: Lost log for seq=16
offset=192: Missing middle file seq=16 (between 16..4294967295, we have seqs
14): Requested newer log than exists: Log inode is unchanged (initial_mapped=1,
reason=Index mapped)
Oct 25 01:51:14 <IP> dovecot: imap(<username>): Error: Broken file
/mail/d/e/<username>/Maildir/dovecot-uidlist line 65: Invalid data:
Dovecot -n
# 2.2.10: /etc/dovecot/dovecot.conf
# OS: Linux 3.10.0-1062.1.2.el7.x86_64 x86_64 CentOS Linux release 7.7.1908
(Core)
auth_mechanisms = plain login
auth_username_format = %Ln
auth_verbose = yes
auth_verbose_passwords = plain
disable_plaintext_auth = no
first_valid_uid = 300
lda_mailbox_autocreate = yes
lda_mailbox_autosubscribe = yes
mail_fsync = always
mail_location = maildir:~/Maildir
mail_nfs_index = yes
mail_nfs_storage = yes
maildir_very_dirty_syncs = 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 {
special_use = \Drafts
}
mailbox Junk {
special_use = \Junk
}
mailbox Sent {
special_use = \Sent
}
mailbox "Sent Messages" {
special_use = \Sent
}
mailbox Trash {
special_use = \Trash
}
prefix }
passdb {
args = /etc/dovecot/sql.conf.ext
driver = sql
}
plugin {
sieve = ~/.dovecot.sieve
sieve_dir = ~/sieve
sieve_global_dir = /mail/sieve/global/
sieve_global_path = /mail/sieve/default.sieve
}
postmaster_address = postmaster@%d
protocols = imap pop3 lmtp sieve
service auth {
client_limit = 0
inet_listener {
port = 11010
}
process_limit = 1
process_min_avail = 0
service_count = 0
}
service dict {
unix_listener dict {
group = vmail
mode = 0600
user = vmail
}
}
service imap-login {
inet_listener imap {
port = 143
}
inet_listener imaps {
port = 993
ssl = yes
}
process_limit = 2
process_min_avail = 2
service_count = 0
}
service imap {
client_limit = 1
executable = imap
process_limit = 2048
process_min_avail = 50
service_count = 1
}
service lmtp {
client_limit = 1
process_limit = 0
process_min_avail = 0
service_count = 0
unix_listener /var/spool/postfix/private/dovecot-lmtp {
group = postfix
mode = 0660
user = postfix
}
}
service managesieve-login {
inet_listener sieve {
port = 4190
}
}
service pop3-login {
inet_listener pop3 {
port = 110
}
inet_listener pop3s {
port = 995
ssl = yes
}
process_limit = 2
process_min_avail = 2
service_count = 0
}
service pop3 {
client_limit = 1
executable = pop3
process_limit = 256
process_min_avail = 25
service_count = 1
}
ssl_ca = </etc/ssl/mdc/mdc.ca
ssl_cert = </etc/ssl/mdc/mdc.crt
ssl_cipher_list =
!RC4:HIGH:MEDIUM:+TLSv1:!MD5:!SSLv2:+SSLv3:!ADH:!aNULL:!eNULL:!NULL:!DH:!ADH:!EDH:!AESGCM
ssl_key = </etc/ssl/mdc/mdc.key
ssl_protocols = !SSLv2 !SSLv3
userdb {
args = /etc/dovecot/sql.conf.ext
driver = sql
override_fields = plain_pass=%w
}
protocol lmtp {
mail_plugins = " quota sieve"
}
protocol imap {
mail_max_userip_connections = 40
}
protocol sieve {
info_log_path = /var/log/dovecot-sieve.log
log_path = /var/log/dovecot-sieve-errors.log
managesieve_implementation_string = dovecot
managesieve_max_line_length = 65536
}
Billy Luedtke, Microsoft MCP
System Administrator II, WIN
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