Corrupted index cache after migrating from maildir to mdbox

Tim tim at
Sat Nov 1 12:15:40 UTC 2014

Hi Karl

On 31.10.2014 12:58, Karl O. Pinc wrote:
> I was poking around in the code and I think there's
> only 1 last_indexed_uid in the data structure.  
> I have no clue if this value is used outside of fts
> but you could poke it with a stick and

what exactly do you mean?

> try the doveadm fts rescan command to reset this to 0.

I did "doveadm fts rescan -u myaccount" but after that I still see the
errors in the log :(

> (Sorry if you tried this already.  I recently signed up
> on the list.)
> I'm seeing last_indexed_uid set to the wrong value (v2.2.9,
> Subject: Bug in fts (solr?, Maildir?) incorrect last_indexed_uid)
> in some cases.  Your error feels like the same kind of thing.
> On 10/31/2014 05:47:51 AM, Tim wrote:
>> Hey guys,
>> I'm still getting theses errors while fetching mails via imap:
>> Error: read(/home/vmail/.../mdbox/storage/m.7): FETCH BODY[] for
>> mailbox
>> INBOX UID 1823 got too little data: 284572 vs 47173
>> Error: Corrupted index cache file
>> /home/vmail/.../mdbox/mailboxes/INBOX/dbox-Mails/dovecot.index.cache:
>> Broken virtual size for mail UID 1823
>> I tried to export them with doveadm fetch. this works fine and doesnt
>> create any errors at all at the loge file. Any further toughts here?
>> Timo maybe?
>> On 13.10.2014 10:20, Tim wrote:
>>> all mails are stored on an xfs filesystem and only the local 
>> dovecot
>>> accesses it. Possible to fix the index.cache files? I havn't found
>>> anything suitable in the docs. The doveadm-index commands are only
>> for
>>> the fts plugin I think.
>>> On 13.10.2014 02:37, Daniel Parthey wrote:
>>>> Maybe the index is corrupted too and the index.cache is a cached
>> version of the corrupted index?
>>>> Are you using NFS with mdbox and accessing one nfs mailbox
>> directory concurrently from several dovecot hosts?
> Karl <kop at>
> Free Software:  "You don't pay back, you pay forward."
>                  -- Robert A. Heinlein

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