Corruption of index files

[Oliver Welter]

Am 25.01.2015 um 12:45 schrieb Oliver Welter:
> Hi Andreas,
> 
> Am 25.01.2015 um 12:41 schrieb Andreas Schulze:
>> Oliver Welter:
>>>> after upgrading my mail server (dovecot 1.1.7 -> 2.2.13) I get tons of
>>>> messages about corrupted index files in the syslog ("Error: Corrupted
>>>> transaction log" and "Warning: fscking index file .. dovecot.index".
>>>>
>>> Some more debugging - I did a "fuser" on a broken dovecot.index file
>>> and see a lot of stale file handles, looks like something is not
>>> cleaning up. Any ideas are still welcome....
>>
>> if your using classic maildir format I would try to completly remove
>> any dovecot index files.
>>
>> my guess: the existing index files are /so old/
>> dovecot is unable to repair them in a propper way.
> 
> I already removed them (when they broke) but the problem comes up again
> - it seems to be an issue with concurrent mailbox access and locking but
> I am unable to track it down further. It would be helpful to know what
> changed in the handling of locks/indexes from 1.1 to 2.2....
> 
As Follow-Up for archive readers - I dont know what the root cause was,
but moving the maildirs from overlayfs to a dedicated non-overlayfs
partition solved the problem.

Oliver

-- 
Protect your environment -  close windows and adopt a penguin!

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