inaccessible mailbox for one user

[Lists Nethead]

Quoting Albert Shih <Albert.Shih at obspm.fr>:

> Le 09/10/2018 à 21:26:28+0200, Lists Nethead a écrit
>>
>> Quoting Lists Nethead <lists at nethead.se>:
>>
>> > > Hi,
>> > >
>> > > A user clicks on a mail in Horde IMP and next the inbox appears
>> > > completely empty. This message files all still there of course, but
>> > > the problem is that I cannot run any cyrus command on that mailbox,
>> > > reconstruct, chk_cyrus or anything.
>> > >
>> > > Is there a lock possibly sitting somewhere that prohibits running
>> > > any commands? Any other hints as to where I should start?
>> > >
>>
>> Restored users seen and sub files from backup, ran reconstruct again and
>> then I had to run unexpunge. Now user files are back but I see the following
>> error for this user in the logs
>>
>> IOERROR: conversations_audit on store
>>
>> Should I try sbin/ctl_conversationsdb -b ?
>
> I'm not a cyrus guru but, are you sure your FS are clean ? I'm running
> FreeBSD and long time ago I got a FS error without crash. It was a standard
> server (apache) and I got very strange error, like unable to remove file.
> I eventually restart the server and run a fsck -f manually to fix de
> problem. I never find out where and how I got that problem
>
> The FS was UFS2.
>
> I'm absolutly not sure it's the problem, just try to help.

Thank you for your response.

Yes, I think the initial fault was not a Cyrus issue and the locking  
problem vanished after the jail was restarted. Mail works ok now  
except the error above.

We run zfs so fsck is not of much help, but none of the pools report a  
problem.