mailboxes.db vs IMAP client irregularities

[Stephen Ingram]

On Sat, May 19, 2012 at 1:00 PM, Simon Matter <simon.matter at invoca.ch> wrote:
>> On 05/19/2012 01:51 PM, Stephen Ingram wrote:
>>> I'm running 2.4.13 from the invoca rpms on CentOS 5.8. I recently had
>>> an issue with a folder in a mailbox that would not show any
>>> subfolders. I created a new folder 'folder2' and moved all of the
>>> subfolders to it and then performed a reconstruct on the new set of
>>> folders and everything worked. Now I deleted the old folder 'folder'
>>> from the file system and then (after it wouldn't go away from the
>>> cyradm listing) used cyr_dbtool to manually remove it (and the
>>> subfolders) from the mailboxes.db file. The old folders and subfolders
>>> are now gone, however, I can't (using the IMAP client) rename
>>> 'folder2' back to 'folder' as when I do, the subfolders are not
>>> visible.
>>>
>>> I've dumped the mailboxes.db file to a flat file to look and see if
>>> there is anything in there that wasn't visible in cyradm or using
>>> cyr_dbtool show. Everything is as expected except there are some
>>> DELETED.user.xxx.folder entries at the top. Are you not allowed the
>>> create folders with the same name you've just deleted? Where are these
>>> DELETED folders actually stored and how long does it take them to go
>>> away? (I'm not using delayed expunge.)
>>
>> Sounds like you are using delayed delete. Mine show up in
>> /imap/mail/C/DELETED/  . How long they stay around depends on when you
>> run cyr_expire and what parameters you give it.
>>
>>
>> Man page entries:
>>
>> deletedprefix: DELETED
>>              If  "delete_mode"  set  to  be  "delayed",  the  prefix for
>> the deleted mailboxes hierarchy.  The hierarchy delimiter will be
>> automatically appended.
>>
>> delete_mode: immediate
>>              The manner in which mailboxes are deleted. "immediate" mode
>> is the default  behavior  in  which  mailboxes  are  removed
>> immediately.   In "delayed" mode, mailboxes are renamed to a special
>> hiearchy defined by the "deletedprefix" option to be removed later by
>> cyr_expire.
>
> Just to clear this up, if he's using our invoca rpms then his man page reads:
>
>       delete_mode: delayed
>            The manner in which mailboxes are deleted. "immediate" mode is
> the
>            the mode in which mailboxes are removed immediately.  In
> "delayed"
>            mode, mailboxes are renamed to a special hiearchy defined  by
> the
>            "deletedprefix" option to be removed later by cyr_expire.
>
>       Note:  This Invoca RPM build uses delayed by default instead of
> immedi-
>       ate for delete_mode.
>
>       Allowed values: immediate, delayed

Oops, sorry to mislead. Yes, I was lazy and just read a man page from
Google. I will change to delete_mode: immediate.

Steve