Locking Errors

[List]

> On Oct 12, 2017, at 10:43 AM, Bill Shirley <bill at KnoxvilleChristian.org> wrote:
> 
> doveconf: Fatal: Error in configuration file /etc/dovecot/conf.d/10-master.conf line 27: Invalid size: $default_vsz_limit
> 
> Have you though about fixing the configuration error?
> 
> Bill
> 
> On 10/12/2017 10:05 AM, List wrote:
>>> On Oct 12, 2017, at 8:56 AM, Bill Shirley <bill at KnoxvilleChristian.org> wrote:
>>> 
>>> Is everyone's email going to /mail/user/Maildir ?
>>> 
>>> What's the output of 'dovecot -n' ?
>>> 
>>> Bill
>>> 
>>> On 10/12/2017 9:47 AM, List wrote:
>>>> We recently upgraded to version 2.2.10-8 on Centos 7 (from 2.2.10-7) and immediately started experiencing errors in the log file that look like this:
>>>> 
>>>> Error: Broken file /mail/user/Maildir/dovecot-uidlist line 891: Invalid data:
>>>> Error: Timeout (180s) while waiting for lock for transaction log file /mail/user/Maildir/dovecot.index.log
>>>> Error: /mail/user/Maildir/.Trash/dovecot-uidlist: next_uid was lowered (421 -> 419, hdr=418)
>>>> Error: Corrupted index cache file /mail/user/Maildir/dovecot.index.cache: invalid record size
>>>> Error: Broken file /mail/user/Maildir/.Trash/dovecot-uidlist line 156: Invalid data:
>>>> Error: Corrupted index cache file /mail/user/Maildir/dovecot.index.cache: invalid record size
>>>> Error: Index /mail/user/Maildir/dovecot.index: Lost log for seq=2 offset=2392
>>>> Error: fcntl(write-lock) locking failed for file /mail/user/Maildir/dovecot.index.log: Stale file handle
>>>> 
>>>> We are not sure what might be causing this, can anyone help illuminate what’s going on?
>> Bill, no I just changed the log output to mask the real usernames, these would be different users.  Here is dovecot -n
>> 
>> # 2.2.10: /etc/dovecot/dovecot.conf
>> doveconf: Fatal: Error in configuration file /etc/dovecot/conf.d/10-master.conf line 27: Invalid size: $default_vsz_limit
> 

I sent a second message after fixing it with the full config.  Turns out the update from Centos 7.3 to 7.4 has some kind of NFS bug that is causing this issue, not dovecot.